Central Taxonomic Thesaurus
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  Plantae
    Tracheophyta
           [Tracheobionta]
    Spermatophyta
      Magnoliophyta
             [Angiospermae]
         Eudicots
             Core Eudicots
               Rosids
               Malvids
                    Myrtales
                            Onagraceae
                                     Anogra
                                             Anogra Nuttallii
                                             Anogra amplexicaulis
                                             Anogra cinerea
                                             Anogra leptophylla
                                                   [Oenothera leptophylla]
                                             Anogra longiflora
                                             Anogra neomexicana
                                             Anogra nuttalliana
                                             Anogra pallida
                                               Anogra pallida var. runcinata
                                             Anogra perplexa
                                             Anogra rhizomata
                                             Anogra runcinata
                                             Anogra trichocalyx
                                             Anogra violacea
                                             Anogra vreelandii
                                     Blennoderma
                                             Blennoderma drummondii
                                     Boisduvalia
                                             Boisduvalia cleistogama
                                             Boisduvalia macrantha
                                             Boisduvalia pallida
                                             Boisduvalia sparsiflora
                                             Boisduvalia subulata
                                     Burragea
                                     Calylophus
                                             Calylophus berlandieri
                                                   [Calylophus drummondianus subsp. berlandieri]
                                               Calylophus berlandieri subsp. berlandieri
                                             Calylophus hartwegii
                                               Calylophus hartwegii subsp. fendleri
                                                     [Oenothera fendleri]
                                                     [Oenothera hartwegii subsp. fendleri]
                                                     [Oenothera hartwegii var. fendleri]
                                               Calylophus hartwegii subsp. filifolius
                                                     [Calylophus hartwegii var. filifolius]
                                                     [Oenothera filifolia]
                                                     [Oenothera hartwegii subsp. filifolia]
                                                     [Oenothera hartwegii var. filifolia]
                                                     [Oenothera tubicula var. filifolia]
                                               Calylophus hartwegii subsp. hartwegii
                                                     [Galpinsia hartwegii]
                                                     [Oenothera hartwegii subsp. hartwegii]
                                                     [Oenothera hartwegii var. hartwegii]
                                                     [Oenothera hartwegii var. typica]
                                                     [Oenothera hartwegii]
                                                     [Salpingia hartwegii]
                                               Calylophus hartwegii subsp. maccartii
                                                     [Oenothera hartwegii subsp. maccartii]
                                               Calylophus hartwegii subsp. pubescens
                                                     [Calylophus hartwegii var. pubescens]
                                                     [Galpinsia camporum]
                                                     [Galpinsia interior]
                                                     [Oenothera greggii var. lampasana]
                                                     [Oenothera greggii var. pubescens]
                                                     [Oenothera greggii]
                                                     [Oenothera hartwegii subsp. pubescens]
                                               Calylophus hartwegii var. hartwegii
                                               Calylophus hartwegii var. maccartii
                                             Calylophus lavandulifolius
                                                   [Calylophus hartwegii subsp. lavandulifolius]
                                                   [Calylophus hartwegii var. lavandulifolius]
                                                   [Calylophus lavandulifolia]
                                                   [Galpinsia lavandulifolia var. glandulosa]
                                                   [Galpinsia lavandulifolia]
                                                   [Oenothera lavandulifolia var. glandulosa]
                                                   [Oenothera lavandulifolia var. lavandulifolia]
                                                   [Oenothera lavandulifolia var. typica]
                                                   [Oenothera lavandulifolia]
                                             Calylophus toumeyi
                                                   [Calylophus hartwegii subsp. toumeyi]
                                                   [Galpinsia toumeyi]
                                                   [Oenothera hartwegii var. toumeyi]
                                                   [Oenothera toumeyi]
                                             Calylophus tubicula
                                                   [Calylophus tubicula subsp. tubicula]
                                                   [Oenothera tubicula subsp. tubicula]
                                                   [Oenothera tubicula]
                                               Calylophus tubicula subsp. strigulosus
                                                     [Oenothera tubicula subsp. strigulosa]
                                             Calylophus tubiculus
                                     Camissonia
                                             Camissonia angelorum
                                             Camissonia atwoodii
                                             Camissonia benitensis
                                             Camissonia bistorta
                                                   [Oenothera bistorta var. veitchiana]
                                                   [Oenothera bistorta]
                                             Camissonia bolanderi
                                             Camissonia breviflora
                                             Camissonia campestris
                                               Camissonia campestris subsp. campestris
                                                     [Oenothera campestris subsp. parishii]
                                                     [Oenothera campestris]
                                                     [Oenothera dentata var. campestris]
                                                     [Oenothera dentata var. johnstonii]
                                                     [Oenothera dentata var. parishii]
                                                     [Oenothera siliquosa]
                                               Camissonia campestris subsp. obispoensis
                                             Camissonia cardiophylla
                                               Camissonia cardiophylla subsp. cardiophylla
                                                     [Oenothera cardiophylla subsp. cardiophylla]
                                                     [Oenothera cardiophylla var. typica]
                                                     [Oenothera cardiophylla]
                                               Camissonia cardiophylla subsp. cedrosensis
                                               Camissonia cardiophylla subsp. robusta
                                                     [Oenothera cardiophylla subsp. robusta]
                                             Camissonia cheiranthifolia
                                               Camissonia cheiranthifolia subsp. cheiranthifolia
                                               Camissonia cheiranthifolia subsp. suffruticosa
                                             Camissonia confertiflora
                                                   [Oenothera confertiflora]
                                             Camissonia confusa
                                             Camissonia contorta
                                                   [Oenothera contorta var. contorta]
                                                   [Oenothera contorta]
                                                   [Oenothera dentata var. gilmanii]
                                                   [Oenothera dentata]
                                               Camissonia contorta var. pubens
                                             Camissonia crassifolia
                                             Camissonia dentata
                                               Camissonia dentata subsp. dentata
                                                     [Camissonia tenuifolia]
                                               Camissonia dentata subsp. littoralis
                                             Camissonia dominguez-escalantorum
                                             Camissonia eastwoodiae
                                                   [Oenothera eastwoodiae]
                                                   [Oenothera scapoidea var. eastwoodiae]
                                             Camissonia exilis
                                                   [Oenothera exilis]
                                             Camissonia graciliflora
                                             Camissonia guadalupensis
                                               Camissonia guadalupensis subsp. clementina
                                               Camissonia guadalupensis subsp. guadalupensis
                                             Camissonia hardhamiae
                                             Camissonia hilgardii
                                             Camissonia hirtella
                                             Camissonia ignota
                                                   [Oenothera ignota]
                                                   [Oenothera micrantha var. ignota]
                                             Camissonia integrifolia
                                             Camissonia intermedia
                                             Camissonia kernensis
                                               Camissonia kernensis subsp. gilmanii
                                               Camissonia kernensis subsp. kernensis
                                               Camissonia kernensis var. gilmanii
                                             Camissonia lacustris
                                             Camissonia lewisii
                                             Camissonia luciae
                                             Camissonia micrantha
                                                   [Oenothera micrantha var. jonesii]
                                                   [Oenothera micrantha]
                                             Camissonia ovata
                                                   [Oenothera ovata]
                                                   [Taraxia ovata]
                                             Camissonia pallida
                                               Camissonia pallida subsp. hallii
                                               Camissonia pallida subsp. pallida
                                                     [Oenothera abramsii]
                                                     [Oenothera micrantha var. exfoliata]
                                                     [Sphaerostigma pallida]
                                             Camissonia parvula
                                                   [Oenothera parvula]
                                             Camissonia pubens
                                             Camissonia pusilla
                                                   [Oenothera contorta var. flexuosa]
                                             Camissonia pygmaea
                                             Camissonia robusta
                                             Camissonia sceptrostigma
                                             Camissonia sierrae
                                               Camissonia sierrae subsp. alticola
                                               Camissonia sierrae subsp. sierrae
                                             Camissonia specuicola
                                               Camissonia specuicola subsp. hesperia
                                                     [Oenothera specuicola subsp. hesperia]
                                               Camissonia specuicola subsp. specuicola
                                                     [Oenothera specuicola subsp. specuicola]
                                                     [Oenothera specuicola]
                                             Camissonia strigulosa
                                                   [Oenothera contorta var. epilobioides]
                                                   [Oenothera contorta var. strigulosa]
                                                   [Oenothera strigulosa]
                                                   [Sphaerostigma strigulosa]
                                             Camissonia walkeri
                                               Camissonia walkeri subsp. tortilis
                                                     [Oenothera scapoidea var. tortilis]
                                                     [Oenothera walkeri subsp. tortilis]
                                               Camissonia walkeri subsp. walkeri
                                                     [Clylismia walkeri]
                                                     [Oenothera multijuga var. orientalis]
                                                     [Oenothera walkeri subsp. walkeri]
                                                     [Oenothera walkeri]
                                     Camissoniopsis
                                             Camissoniopsis bistorta
                                                   [Oenothera bistorta var. reedii]
                                             Camissoniopsis cheiranthifolia
                                               Camissoniopsis cheiranthifolia subsp. cheiranthifolia
                                               Camissoniopsis cheiranthifolia subsp. suffruticosa
                                                     [Oenothera cheiranthifolia var. suffruticosa]
                                             Camissoniopsis confusa
                                             Camissoniopsis guadalupensis
                                               Camissoniopsis guadalupensis subsp. guadalupensis
                                             Camissoniopsis hardhamiae
                                                   [Oenothera hardhamiae]
                                             Camissoniopsis hirtella
                                             Camissoniopsis ignota
                                             Camissoniopsis intermedia
                                             Camissoniopsis lewisii
                                             Camissoniopsis luciae
                                             Camissoniopsis micrantha
                                             Camissoniopsis pallida
                                               Camissoniopsis pallida subsp. pallida
                                               Camissoniopsis pallida var. hallii
                                                     [Camissoniopsis pallida subsp. hallii]
                                               Camissoniopsis pallida var. pallida
                                             Camissoniopsis proavita
                                                   [Camissonia proavita]
                                             Camissoniopsis robusta
                                               Camissoniopsis guadalupensis subsp. clementina
                                     Chamaenerion
                                             Chamaenerion angustifolium
                                                   [Chamerion angustifolium]
                                                   [Chamerion spicatum]
                                                   [Epilobium angustifolium ssp. angustifolium]
                                                   [Epilobium angustifolium var. angustifolium]
                                                   [Epilobium angustifolium var. intermedium]
                                                   [Epilobium angustifolium var. pygmaeum]
                                                   [Epilobium angustifolium]
                                                   [Epilobium spicatum]
                                               Chamaenerion angustifolium subsp. angustifolium
                                                     [Chamerion angustifolium subsp. angustifolium]
                                                     [Chamerion angustifolium var. angustifolium]
                                                     [Epilobium angustifolium f. albiflorum]
                                                     [Epilobium angustifolium subsp. angustifolium]
                                               Chamaenerion angustifolium subsp. circumvagum
                                                     [Chamaenerion angustifolium var. canescens]
                                                     [Chamerion angustifolium subsp. circumvagum]
                                                     [Chamerion angustifolium var. canescens]
                                                     [Chamerion danielsii]
                                                     [Chamerion platyphyllum]
                                                     [Epilobium angustifolium subsp. circumvagum]
                                                     [Epilobium angustifolium subsp. macrophyllum]
                                                     [Epilobium angustifolium var. abbreviatum]
                                                     [Epilobium angustifolium var. canescens]
                                                     [Epilobium angustifolium var. macrophyllum]
                                                     [Epilobium angustifolium var. platyphyllum]
                                             Chamaenerion colchicum
                                                   [Chamerion colchicum]
                                     Chamerion
                                             Chamerion dodonaei
                                             Chamerion latifolium
                                                   [Chamaenerion latifolium]
                                                   [Chamerion subdentatum]
                                                   [Epilobium latifolium]
                                     Chylismia
                                             Chylismia arenaria
                                                   [Camissonia arenaria]
                                                   [Oenothera arenaria]
                                                   [Oenothera cardiophylla var. splendens]
                                             Chylismia atwoodii
                                             Chylismia brevipes
                                                   [Camissonia brevipes]
                                               Chylismia brevipes subsp. arizonica
                                                     [Camissonia brevipes subsp. arizonica]
                                                     [Oenothera brevipes subsp. arizonica]
                                               Chylismia brevipes subsp. brevipes
                                                     [Camissonia brevipes subsp. brevipes]
                                                     [Oenothera brevipes subsp. brevipes]
                                                     [Oenothera brevipes var. brevipes]
                                                     [Oenothera brevipes]
                                               Chylismia brevipes var. brevipes
                                               Chylismia brevipes var. pallidula
                                                     [Camissonia brevipes subsp. pallidula]
                                                     [Chylismia brevipes subsp. pallidula]
                                                     [Oenothera brevipes subsp. pallidula]
                                                     [Oenothera brevipes var. pallidula]
                                                     [Oenothera pallidula]
                                             Chylismia cardiophylla
                                               Chylismia cardiophylla subsp. cardiophylla
                                                     [Oenothera cardiophylla var. petiolaris]
                                               Chylismia cardiophylla var. cardiophylla
                                               Chylismia cardiophylla var. cedrosensis
                                                     [Chylismia cardiophylla subsp. cedrosensis]
                                               Chylismia cardiophylla var. robusta
                                                     [Chylismia cardiophylla subsp. robusta]
                                             Chylismia clavaeformis
                                             Chylismia claviformis
                                                   [Camissonia clavaeformis]
                                                   [Camissonia claviformis]
                                               Chylismia claviformis subsp. claviformis
                                                     [Camissonia claviformis subsp. claviformis]
                                                     [Camissonia claviformis var. claviformis]
                                                     [Oenothera claviformis subsp. claviformis]
                                                     [Oenothera claviformis subsp. funerea]
                                                     [Oenothera claviformis subsp. lancifolia]
                                                     [Oenothera claviformis var. citrina]
                                                     [Oenothera claviformis]
                                               Chylismia claviformis subsp. peeblesii
                                                     [Camissonia claviformis subsp. peeblesii]
                                                     [Oenothera claviformis subsp. peeblesii]
                                                     [Oenothera claviformis var. peeblesii]
                                               Chylismia claviformis var. aurantiaca
                                                     [Camissonia claviformis subsp. aurantiaca]
                                                     [Camissonia claviformis var. aurantiaca]
                                                     [Chylismia claviformis subsp. aurantiaca]
                                                     [Oenothera claviformis subsp. aurantiaca]
                                                     [Oenothera claviformis var. aurantiaca]
                                                     [Oenothera scapoidea var. aurantiaca]
                                               Chylismia claviformis var. claviformis
                                               Chylismia claviformis var. cruciformis
                                                     [Camissonia claviformis subsp. cruciformis]
                                                     [Camissonia claviformis var. cruciformis]
                                                     [Chylismia claviformis subsp. cruciformis]
                                               Chylismia claviformis var. funerea
                                               Chylismia claviformis var. lancifolia
                                                     [Camissonia claviformis subsp. lancifolia]
                                                     [Camissonia claviformis var. lancifolia]
                                                     [Chylismia claviformis subsp. lancifolia]
                                               Chylismia claviformis var. peeblesii
                                               Chylismia claviformis var. peirsonii
                                                     [Camissonia claviformis subsp. peirsonii]
                                                     [Chylismia claviformis subsp. peirsonii]
                                                     [Oenothera claviformis subsp. peirsonii]
                                                     [Oenothera claviformis var. peirsonii]
                                               Chylismia claviformis var. purpurascens
                                                     [Camissonia claviformis subsp. integrior]
                                                     [Camissonia claviformis var. purpurascens]
                                                     [Chylismia claviformis subsp. integrior]
                                                     [Oenothera claviformis subsp. integrior]
                                                     [Oenothera claviformis var. purpurascens]
                                                     [Oenothera scapoidea var. purpurascens]
                                               Chylismia claviformis var. rubescens
                                                     [Camissonia claviformis subsp. rubescens]
                                                     [Chylismia claviformis subsp. rubescens]
                                                     [Oenothera claviformis subsp. rubescens]
                                               Chylismia claviformis var. wigginsii
                                                     [Camissonia claviformis subsp. wigginsii]
                                                     [Chylismia claviformis subsp. wigginsii]
                                               Chylismia claviformis var. yumae
                                                     [Camissonia claviformis subsp. yumae]
                                                     [Chylismia claviformis subsp. yumae]
                                                     [Oenothera claviformis subsp. yumae]
                                             Chylismia confertiflora
                                             Chylismia eastwoodiae
                                                   [Camissonia eastwoodae]
                                             Chylismia exilis
                                             Chylismia heterochroma
                                                   [Camissonia heterochroma subsp. heterochroma]
                                                   [Camissonia heterochroma subsp. monoensis]
                                                   [Camissonia heterochroma var. heterochroma]
                                                   [Camissonia heterochroma var. monoensis]
                                                   [Camissonia heterochroma]
                                             Chylismia hirta
                                             Chylismia lancifolia
                                             Chylismia megalantha
                                                   [Camissonia megalantha]
                                                   [Oenothera heterochroma var. megalantha]
                                                   [Oenothera megalantha]
                                             Chylismia multijuga
                                                   [Camissonia multijuga]
                                                   [Oenothera multijuga var. multijuga]
                                                   [Oenothera multijuga var. parviflora]
                                                   [Oenothera multijuga var. typica]
                                                   [Oenothera multijuga]
                                             Chylismia munzii
                                                   [Camissonia munzii]
                                             Chylismia parryi
                                                   [Camissonia parryi]
                                                   [Oenothera parryi]
                                             Chylismia scapoidea
                                                   [Camissonia scapoidea]
                                                   [Chylismia scapoidea var. seorsa]
                                               Chylismia scapoidea subsp. scapoidea
                                                     [Camissonia scapoidea subsp. scapoidea]
                                                     [Camissonia scapoidea var. scapoidea]
                                                     [Oenothera scapoidea subsp. scapoidea]
                                                     [Oenothera scapoidea subsp. utahensis]
                                                     [Oenothera scapoidea var. scapoidea]
                                                     [Oenothera scapoidea var. seorsa]
                                                     [Oenothera scapoidea]
                                               Chylismia scapoidea var. brachycarpa
                                                     [Camissonia scapoidea subsp. brachycarpa]
                                                     [Chylismia scapoidea subsp. brachycarpa]
                                                     [Oenothera scapoidea subsp. brachycarpa]
                                               Chylismia scapoidea var. macrocarpa
                                                     [Camissonia bairdii]
                                                     [Camissonia scapoidea subsp. macrocarpa]
                                                     [Camissonia scapoidea var. macrocarpa]
                                                     [Chylismia scapoidea subsp. macrocarpa]
                                                     [Oenothera scapoidea subsp. macrocarpa]
                                               Chylismia scapoidea var. scapoidea
                                               Chylismia scapoidea var. utahensis
                                                     [Camissonia scapoidea subsp. utahensis]
                                                     [Camissonia scapoidea var. utahensis]
                                                     [Chylismia scapoidea subsp. utahensis]
                                             Chylismia specicola
                                               Chylismia specicola subsp. hesperia
                                               Chylismia specicola subsp. specicola
                                             Chylismia venosa
                                             Chylismia walkeri
                                               Chylismia walkeri subsp. walkeri
                                                     [Camissonia walkeri var. walkeri]
                                               Chylismia walkeri var. tortilis
                                                     [Camissonia walkeri var. tortilis]
                                                     [Chylismia walkeri subsp. tortilis]
                                               Chylismia walkeri var. walkeri
                                     Chylismiella
                                             Chylismiella pterosperma
                                                   [Camissonia pterosperma]
                                                   [Oenothera pterosperma]
                                     Circaea
                                             Circaea alpina
                                                   [Circaea alpina var. aleutica]
                                                   [Circaea alpina var. alpina]
                                               Circaea alpina ssp. alpina
                                               Circaea alpina subsp. alpina
                                                     [Circaea alpina f. simplicissima]
                                               Circaea alpina subsp. angustifolia
                                               Circaea alpina subsp. caulescens
                                                     [Circaea caucasica]
                                               Circaea alpina subsp. imaicola
                                                     [Circaea alpina var. imaicola]
                                               Circaea alpina subsp. pacifica
                                                     [Circaea alpina var. pacifica]
                                                     [Circaea pacifica]
                                             Circaea canadensis
                                                   [Circaea canadensis subsp. canadensis]
                                                   [Circaea canadensis var. virginiana]
                                                   [Circaea lutetiana subsp. canadensis]
                                                   [Circaea lutetiana subsp. lutetiana]
                                                   [Circaea lutetiana subsp. quadrisulcata]
                                                   [Circaea lutetiana var. canadensis]
                                                   [Circaea lutetiana var. lutetiana]
                                                   [Circaea lutetiana]
                                                   [Circaea quadrisulcata subsp. canadensis]
                                                   [Circaea quadrisulcata var. canadensis]
                                               Circaea canadensis subsp. quadrisulcata
                                             Circaea cordata
                                             Circaea erubescens
                                             Circaea glabrescens
                                             Circaea intermedia
                                             Circaea latifolia
                                             Circaea mollis
                                             Circaea quadrisulcata
                                             Circaea repens
                                             Circaea x intermedia
                                             Circaea × intermedia
                                     Clarkia
                                             Clarkia affinis
                                             Clarkia amoena
                                               Clarkia amoena subsp. amoena
                                                     [Godetia macrantha]
                                                     [Godetia vinosa]
                                                     [Oenothera amoena]
                                                     [Oenothera macrantha]
                                               Clarkia amoena subsp. caurina
                                                     [Godetia caurina]
                                               Clarkia amoena subsp. huntiana
                                               Clarkia amoena subsp. lindleyi
                                                     [Oenothera lindleyi]
                                               Clarkia amoena subsp. whitneyi
                                                     [Godetia whitneyi]
                                               Clarkia amoena var. amoena
                                               Clarkia amoena var. caurina
                                               Clarkia amoena var. lindleyi
                                               Clarkia amoena var. pacifica
                                             Clarkia arcuata
                                                   [Oenothera hispidula]
                                             Clarkia australis
                                             Clarkia biloba
                                               Clarkia biloba subsp. australis
                                               Clarkia biloba subsp. biloba
                                                     [Oenothera biloba]
                                               Clarkia biloba subsp. brandegeae
                                               Clarkia biloba subsp. brandegeeae
                                             Clarkia borealis
                                               Clarkia borealis subsp. arida
                                               Clarkia borealis subsp. borealis
                                             Clarkia bottae
                                             Clarkia breweri
                                                   [Eucharidium breweri]
                                             Clarkia calientensis
                                             Clarkia concinna
                                               Clarkia concinna subsp. automixa
                                               Clarkia concinna subsp. concinna
                                               Clarkia concinna subsp. raichei
                                             Clarkia cylindrica
                                               Clarkia cylindrica subsp. clavicarpa
                                               Clarkia cylindrica subsp. cylindrica
                                             Clarkia davyi
                                             Clarkia deflexa
                                             Clarkia delicata
                                             Clarkia dudleyana
                                             Clarkia elegans
                                             Clarkia epilobioides
                                                   [Godetia epilobioides]
                                             Clarkia exilis
                                             Clarkia franciscana
                                             Clarkia gracilis
                                                   [Godetia gracilis]
                                               Clarkia gracilis subsp. albicaulis
                                               Clarkia gracilis subsp. gracilis
                                               Clarkia gracilis subsp. sonomensis
                                               Clarkia gracilis subsp. tracyi
                                             Clarkia heterandra
                                                   [Gaura heterandra]
                                             Clarkia imbricata
                                             Clarkia jolonensis
                                             Clarkia lassenensis
                                             Clarkia lewisii
                                             Clarkia lingulata
                                             Clarkia mildrediae
                                               Clarkia mildrediae subsp. lutescens
                                               Clarkia mildrediae subsp. mildrediae
                                             Clarkia modesta
                                             Clarkia mosquinii
                                               Clarkia mosquinii subsp. mosquinii
                                               Clarkia mosquinii subsp. xerophila
                                             Clarkia nitens
                                             Clarkia parviflora
                                             Clarkia prostrata
                                             Clarkia pulchella
                                                   [Clarkia pulcherrima]
                                             Clarkia purpurea
                                               Clarkia purpurea subsp. purpurea
                                                     [Clarkia purpurea var. hirsuta]
                                               Clarkia purpurea subsp. quadrivulnera
                                                     [Clarkia quadrivulnera]
                                                     [Godetia bingensis]
                                                     [Godetia purpurea var. parviflora]
                                                     [Godetia quadrivulnera var. davyi]
                                                     [Godetia quadrivulnera var. hallii]
                                                     [Godetia quadrivulnera var. rubrissima]
                                                     [Godetia quadrivulnera var. vacensis]
                                                     [Godetia quadrivulnera]
                                                     [Oenothera decumbens]
                                               Clarkia purpurea subsp. viminea
                                                     [Clarkia purpurea var. arnottii]
                                                     [Godetia lepida var. arnottii]
                                             Clarkia rhomboidea
                                                   [Godetia latifolia]
                                                   [Oenothera rhomboidea]
                                             Clarkia rostrata
                                             Clarkia rubicunda
                                                   [Godetia rubicunda]
                                               Clarkia rubicunda subsp. blasdalei
                                             Clarkia saxeana
                                             Clarkia similis
                                             Clarkia speciosa
                                               Clarkia speciosa subsp. immaculata
                                               Clarkia speciosa subsp. nitens
                                               Clarkia speciosa subsp. polyantha
                                               Clarkia speciosa subsp. speciosa
                                             Clarkia springvillensis
                                             Clarkia stellata
                                             Clarkia temblorensis
                                             Clarkia tembloriensis
                                               Clarkia tembloriensis subsp. calientensis
                                                     [Clarkia temblorensis subsp. calientensis]
                                               Clarkia tembloriensis subsp. longistyla
                                               Clarkia tembloriensis subsp. tembloriensis
                                             Clarkia tenella
                                                   [Godetia tenella]
                                               Clarkia tenella subsp. tenella
                                                     [Godetia cavanillesii]
                                             Clarkia unguiculata
                                             Clarkia viminea
                                             Clarkia virgata
                                             Clarkia williamsonii
                                                   [Godetia williamsonii]
                                                   [Oenothera williamsonii]
                                             Clarkia xantiana
                                               Clarkia xantiana subsp. parviflora
                                               Clarkia xantiana subsp. xantiana
                                     Clylismia
                                     Diplandra
                                     Epilobium
               Epilobium F1 hybrid
                                             Epilobium affine
                                             Epilobium alpestre
                                             Epilobium alsinifolium
                                             Epilobium amurense
                                               Epilobium amurense subsp. amurense
                                               Epilobium amurense subsp. cephalostigma
                                                     [Epilobium cephalostigma]
                                             Epilobium anagallidifolium
                                                   [Epilobium alpinum var. alpinum]
                                                   [Epilobium alpinum]
                                                   [Epilobium anagallidifolium var. pseudoscaposum]
                                             Epilobium angustissimum
                                             Epilobium arcticum
                                             Epilobium atlanticum
                                             Epilobium australe
                                             Epilobium barcinonense
                                             Epilobium behringianum
                                             Epilobium billardierianum
                                                   [Epilobium billardieranum]
                                               Epilobium billardierianum subsp. billardierianum
                                                     [Epilobium billardieranum var. billardieranum]
                                               Epilobium billardierianum subsp. cinereum
                                                     [Epilobium billardieranum var. cinereum]
                                                     [Epilobium incanum]
                                             Epilobium brachycarpum
                                                   [Epilobium altissimum]
                                                   [Epilobium apricum]
                                                   [Epilobium fasciculatum]
                                                   [Epilobium hammondii]
                                                   [Epilobium jucundum var. viridifolium]
                                                   [Epilobium laevicaule]
                                                   [Epilobium paniculatum f. adenocaulon]
                                                   [Epilobium paniculatum f. adenocladon]
                                                   [Epilobium paniculatum f. subulatum]
                                                   [Epilobium paniculatum var. hammondii]
                                                   [Epilobium paniculatum var. juncundum]
                                                   [Epilobium paniculatum var. laevicaule]
                                                   [Epilobium paniculatum var. paniculatum]
                                                   [Epilobium paniculatum var. subulatum]
                                                   [Epilobium paniculatum var. tracyi]
                                                   [Epilobium paniculatum]
                                             Epilobium brevifolium
                                               Epilobium brevifolium subsp. trichoneurum
                                             Epilobium brunnescens
                                             Epilobium campestre
                                             Epilobium canescens
                                             Epilobium canum
                                               Epilobium canum subsp. angustifolium
                                                     [Zauschneria californica subsp. angustifolia]
                                                     [Zauschneria californica subsp. californica]
                                                     [Zauschneria californica]
                                               Epilobium canum subsp. canum
                                                     [Zauschneria californica var. villosa]
                                                     [Zauschneria cana]
                                               Epilobium canum subsp. garrettii
                                                     [Epilobium canum var. garrettii]
                                                     [Zauschneria garrettii]
                                                     [Zauschneria latifolia var. garrettii]
                                               Epilobium canum subsp. latifolium
                                                     [Epilobium canum var. latifolium]
                                                     [Zauschneria arizonica]
                                                     [Zauschneria californica subsp. latifolia]
                                                     [Zauschneria latifolia var. arizonica]
                                                     [Zauschneria latifolia var. johnstonii]
                                                     [Zauschneria latifolia var. tomentella]
                                                     [Zauschneria latifolia]
                                                     [Zauschneria pulchella]
                                                     [Zauschneria viscosa]
                                               Epilobium canum subsp. mexicanum
                                                     [Zauschneria californica subsp. mexicana]
                                               Epilobium canum subsp. septentrionale
                                               Epilobium canum var. canum
                                             Epilobium capense
                                                   [Epilobium flavescens]
                                             Epilobium chlorifolium
                                             Epilobium ciliatum
                                                   [Epilobium adenocaulon var. pseudocoloratum]
                                                   [Epilobium macdougalii]
                                                   [Epilobium novomexicanum]
                                                   [Epilobium praecox]
                                               Epilobium ciliatum subsp. ciliatum
                                                     [Epilobium adenocaulon var. adenocaulon]
                                                     [Epilobium adenocaulon var. ecomosum]
                                                     [Epilobium adenocaulon var. holosericeum]
                                                     [Epilobium adenocaulon var. parishii]
                                                     [Epilobium adenocaulon var. perplexans]
                                                     [Epilobium adenocaulon]
                                                     [Epilobium americanum]
                                                     [Epilobium brevistylum var. brevistylum]
                                                     [Epilobium brevistylum var. ursinum]
                                                     [Epilobium brevistylum]
                                                     [Epilobium californicum var. holosericeum]
                                                     [Epilobium californicum]
                                                     [Epilobium chilense var. latifolium]
                                                     [Epilobium ciliatum var. ecomosum]
                                                     [Epilobium delicatum]
                                                     [Epilobium ecomosum]
                                                     [Epilobium glandulosum var. adenocaulon]
                                                     [Epilobium glandulosum var. ecomosum]
                                                     [Epilobium glandulosum var. macounii]
                                                     [Epilobium leptocarpum var. macounii]
                                                     [Epilobium ursinum]
                                                     [Epilobium watsonii var. parishii]
                                               Epilobium ciliatum subsp. glandulosum
                                                     [Epilobium adenocaulon var. cinerascens]
                                                     [Epilobium adenocaulon var. occidentale]
                                                     [Epilobium boreale]
                                                     [Epilobium ciliatum var. glandulosum]
                                                     [Epilobium glandulosum var. cardiophyllum]
                                                     [Epilobium glandulosum var. glandulosum]
                                                     [Epilobium glandulosum var. occidentale]
                                                     [Epilobium glandulosum var. perplexans]
                                                     [Epilobium glandulosum]
                                                     [Epilobium watsonii var. occidentale]
                                               Epilobium ciliatum subsp. watsonii
                                                     [Epilobium franciscanum]
                                                     [Epilobium watsoni]
                                                     [Epilobium watsonii var. franciscanum]
                                                     [Epilobium watsonii var. watsonii]
                                                     [Epilobium watsonii]
                                               Epilobium ciliatum var. ciliatum
                                             Epilobium cinereum
                                             Epilobium clavatum
                                                   [Epilobium alpinum var. albiflorum]
                                                   [Epilobium alpinum var. clavatum]
                                                   [Epilobium clavatum var. glareosum]
                                                   [Epilobium glareosum]
                                             Epilobium cleistogamum
                                             Epilobium collinum
                                             Epilobium coloratum
                                                   [Epilobium domingense]
                                             Epilobium confusum
                                             Epilobium cylindricum
                                             Epilobium davuricum
                                               Epilobium davuricum var. arcticum
                                             Epilobium densiflorum
                                                   [Boisduvalia densiflora var. densiflora]
                                                   [Boisduvalia densiflora var. imbricata]
                                                   [Boisduvalia densiflora var. pallescens]
                                                   [Boisduvalia densiflora var. salicina]
                                                   [Boisduvalia densiflora]
                                                   [Boisduvalia imbricata]
                                                   [Boisduvalia salicina]
                                                   [Oenothera densiflora]
                                                   [Oenothera salicina]
                                             Epilobium densifolium
                                             Epilobium densum
                                             Epilobium denticulatum
                                                   [Epilobium bonplandianum]
                                                   [Epilobium meridense]
                                               Epilobium denticulatum var. macropetalum
                                             Epilobium dodonaei
                                                   [Chamaenerion dodonaei]
                                             Epilobium duriaei
                                             Epilobium exaltatum
                                             Epilobium fastigiatoramosum
                                             Epilobium fendleri
                                             Epilobium fleischeri
                                                   [Chamerion fleischeri]
                                             Epilobium foliosum
                                                   [Epilobium minutum var. foliosum]
                                             Epilobium glabellum
                                             Epilobium glaberrimum
                                               Epilobium glaberrimum subsp. fastigiatum
                                                     [Epilobium affine var. fastigiatum]
                                                     [Epilobium atrichum]
                                                     [Epilobium fastigiatum]
                                               Epilobium glaberrimum subsp. glaberrimum
                                               Epilobium glaberrimum var. fastigiatum
                                               Epilobium glaberrimum var. glaberrimum
                                               Epilobium glaberrimum var. latifolium
                                             Epilobium glaucum
                                             Epilobium griseum
                                             Epilobium halleanum
                                                   [Epilobium brevistylum var. subfalcatum]
                                                   [Epilobium brevistylum var. tenue]
                                                   [Epilobium glandulosum var. tenue]
                                                   [Epilobium hallianum]
                                                   [Epilobium pringleanum var. tenue]
                                                   [Epilobium pringleanum]
                                             Epilobium heterophyllum
                                             Epilobium hirsutum
                                                   [Epilobium aquaticum]
                                                   [Epilobium hirsutum var. villosissimum]
                                                   [Epilobium mirei]
                                                   [Epilobium velutinum]
                                             Epilobium hirtigerum
                                             Epilobium hohuanense
                                             Epilobium holosericeum
                                             Epilobium hornemannii
                                                   [Epilobium origanifolium]
                                               Epilobium hornemannii subsp. behringianum
                                                     [Epilobium alpinum var. behringianum]
                                               Epilobium hornemannii subsp. hornemannii
                                                     [Epilobium alpinum var. nutans]
                                               Epilobium hornemannii var. hornemannii
                                             Epilobium howellii
                                             Epilobium jucundum
                                             Epilobium komarovii
                                             Epilobium lactiflorum
                                                   [Epilobium alpinum var. lactiflorum]
                                                   [Epilobium hornemannii var. lactiflorum]
                                             Epilobium lanceolatum
                                               Epilobium lanceolatum subsp. lanceolatum
                                                     [Epilobium sparsifolium]
                                             Epilobium leptocarpum
                                             Epilobium leptophyllum
                                                   [Epilobium densum var. nesophilum]
                                                   [Epilobium nesophilum var. sabulonense]
                                                   [Epilobium nesophilum]
                                                   [Epilobium palustre var. gracile]
                                                   [Epilobium palustre var. sabulonense]
                                                   [Epilobium rosmarinifolium]
                                                   [Epilobium squamatum]
                                                   [Epilobium treleaseanum]
                                             Epilobium luteum
                                             Epilobium macropus
                                             Epilobium madrense
                                             Epilobium maysillesii
                                             Epilobium melanocaulon
                                             Epilobium mexicanum
                                             Epilobium minutiflorum
                                             Epilobium minutum
                                                   [Epilobium adscendens var. canescens]
                                                   [Epilobium minutum var. canescens]
                                               Epilobium minutum var. biolettii
                                             Epilobium mirabile
                                             Epilobium montanum
                                             Epilobium nevadense
                                             Epilobium nivale
                                             Epilobium nivium
                                             Epilobium novo-mexicanum
                                             Epilobium nummularifolium
                                             Epilobium obcordatum
                                               Epilobium obcordatum subsp. obcordatum
                                               Epilobium obcordatum subsp. siskiyouense
                                               Epilobium obcordatum var. laxum
                                               Epilobium obcordatum var. obcordatum
                                               Epilobium obcordatum var. puberulum
                                             Epilobium obscurum
                                             Epilobium occidentale
                                             Epilobium oreganum
                                                   [Epilobium sandbergii]
                                             Epilobium oregonense
                                                   [Epilobium alpinum var. gracillimum]
                                             Epilobium ovatifolium
                                             Epilobium pallidiflorum
                                             Epilobium pallidum
                                             Epilobium palmeri
                                             Epilobium palustre
                                                   [Chamaenerion palustre]
                                                   [Epilobium alsineifolium]
                                                   [Epilobium lineare]
                                                   [Epilobium oliganthum]
                                                   [Epilobium palustre var. grammadophyllum]
                                                   [Epilobium palustre var. labradoricum]
                                                   [Epilobium palustre var. lapponicum]
                                                   [Epilobium palustre var. lineare]
                                                   [Epilobium palustre var. longirameum]
                                                   [Epilobium palustre var. monticola]
                                                   [Epilobium palustre var. oliganthum]
                                                   [Epilobium pulchrum]
                                                   [Epilobium pumilum]
                                                   [Epilobium pylaieanum]
                                                   [Epilobium wyomingense]
                                               Epilobium palustre var. davuricum
                                               Epilobium palustre var. palustre
                                             Epilobium parishii
                                             Epilobium parviflorum
                                                   [Epilobium molle]
                                             Epilobium pauciflorum
                                             Epilobium pedunculare
                                             Epilobium platyphyllum
                                             Epilobium platystigmatosum
                                             Epilobium prostratum
                                             Epilobium psilotum
                                             Epilobium pycnostachyum
                                             Epilobium pygmaeum
                                                   [Boisduvalia glabella var. campestris]
                                                   [Boisduvalia glabella]
                                                   [Boisduvalia pygmaea]
                                                   [Oenothera glabella]
                                             Epilobium pyrricholophum
                                                   [Epilobium japonicum]
                                                   [Epilobium oligodontum]
                                             Epilobium ravenii
                                                   [Epilobium foliosum var. glabrum]
                                             Epilobium rigidum
                                               Epilobium rigidum var. canescens
                                             Epilobium roseum
                                               Epilobium roseum subsp. consimile
                                                     [Epilobium consimile]
                                               Epilobium roseum subsp. roseum
                                               Epilobium roseum subsp. subsessile
                                                     [Epilobium nervosum]
                                             Epilobium rotundifolium
                                             Epilobium royleanum
                                             Epilobium rubescens
                                             Epilobium salicifolium
                                             Epilobium salignum
                                                   [Epilobium abyssinicum]
                                                   [Epilobium neriophyllum]
                                             Epilobium saximontanum
                                                   [Epilobium drummondii var. latiusculum]
                                                   [Epilobium drummondii]
                                                   [Epilobium glandulosum var. brionense]
                                                   [Epilobium scalare]
                                                   [Epilobium steckerianum]
                                             Epilobium septentrionale
                                             Epilobium sertulatum
                                                   [Epilobium alpinum var. sertulatum]
                                             Epilobium sinense
                                             Epilobium siskiyouense
                                             Epilobium smithii
                                             Epilobium stereophyllum
                                               Epilobium stereophyllum var. kiwuense
                                                     [Epilobium kiwuense]
                                               Epilobium stereophyllum var. stereophyllum
                                                     [Epilobium cordifolium]
                                                     [Epilobium dolichopodum]
                                                     [Epilobium kilimandscharensis]
                                                     [Epilobium neriophyllum subsp. ellenbeckii]
                                                     [Epilobium schimperianum]
                                             Epilobium stramineum
                                             Epilobium strictum
                                             Epilobium subdentatum
                                                   [Boisduvalia tocornalii]
                                                   [Megapterium argyrophyllum]
                                             Epilobium suffruticosum
                                             Epilobium tasmanicum
                                             Epilobium tetragonum
                                                   [Epilobium adnatum]
                                               Epilobium tetragonum subsp. lamyi
                                                     [Epilobium lamyi]
                                               Epilobium tetragonum subsp. tetragonum
                                               Epilobium tetragonum subsp. tournefortii
                                             Epilobium thermophilum
                                             Epilobium torreyi
                                                   [Boisduvalia parviflora]
                                                   [Boisduvalia stricta]
                                                   [Boisduvalia torreyi]
                                             Epilobium tracyi
                                             Epilobium treleasianum
                                             Epilobium trigonum
                                             Epilobium turkestanicum
                                             Epilobium williamsii
                                             Epilobium wisconsinense
                                             Epilobium x pulchrum
                                             Epilobium x treleasianum
                                                   [Epilobium x treleaseanum]
                                             Epilobium x wisconsinense
                                             Epilobium × wisconsinense
                                     Eremothera
                                             Eremothera boothii
                                                   [Camissonia boothii]
                                               Eremothera boothii subsp. boothii
                                                     [Camissonia boothii subsp. boothii]
                                                     [Camissonia boothii var. boothii]
                                                     [Oenothera boothii]
                                               Eremothera boothii var. alyssoides
                                                     [Camissonia boothii subsp. alyssoides]
                                                     [Camissonia boothii var. alyssoides]
                                                     [Camissonia boothii var. villosa]
                                                     [Eremothera boothii subsp. alyssoides]
                                                     [Oenothera alyssoides var. minutiflora]
                                                     [Oenothera alyssoides var. villosa]
                                                     [Oenothera alyssoides]
                                                     [Oenothera boothii subsp. alyssoides]
                                                     [Sphaerostigma alyssoides]
                                               Eremothera boothii var. boothii
                                               Eremothera boothii var. condensata
                                                     [Camissonia boothii subsp. condensata]
                                                     [Camissonia boothii var. condensata]
                                                     [Eremothera boothii subsp. condensata]
                                                     [Oenothera boothii subsp. condensata]
                                                     [Oenothera decorticans var. condensata]
                                               Eremothera boothii var. decorticans
                                                     [Camissonia boothii subsp. decorticans]
                                                     [Camissonia boothii subsp. rutila]
                                                     [Camissonia boothii var. decorticans]
                                                     [Eremothera boothii subsp. decorticans]
                                                     [Gaura decorticans]
                                                     [Oenothera boothii subsp. decorticans]
                                                     [Oenothera boothii subsp. rutila]
                                                     [Oenothera decorticans var. rutila]
                                                     [Oenothera decorticans]
                                                     [Oenothera rutila]
                                               Eremothera boothii var. desertorum
                                                     [Camissonia boothii subsp. desertorum]
                                                     [Camissonia boothii subsp. inyoensis]
                                                     [Camissonia boothii var. desertorum]
                                                     [Eremothera boothii subsp. desertorum]
                                                     [Oenothera boothii subsp. desertorum]
                                                     [Oenothera boothii subsp. inyoensis]
                                                     [Oenothera decorticans var. desertorum]
                                               Eremothera boothii var. villosa
                                                     [Camissonia boothii subsp. intermedia]
                                                     [Eremothera boothii subsp. intermedia]
                                                     [Oenothera boothii subsp. intermedia]
                                             Eremothera chamaenerioides
                                                   [Camissonia chamaenerioides]
                                                   [Oenothera chamaenerioides]
                                             Eremothera gouldii
                                                   [Camissonia gouldii]
                                                   [Oenothera gouldii]
                                             Eremothera minor
                                                   [Camissonia minor]
                                                   [Sphaerostigma minus]
                                             Eremothera nevadensis
                                                   [Camissonia nevadensis]
                                             Eremothera pygmaea
                                             Eremothera refracta
                                                   [Camissonia refracta]
                                                   [Oenothera refracta]
                                     Eucharidium
                                             Eucharidium concinnum
                                     Eulobus
                                             Eulobus angelorum
                                                   [Oenothera angelorum]
                                             Eulobus californicus
                                                   [Camissonia californica]
                                                   [Oenothera leptocarpa]
                                             Eulobus crassifolius
                                                   [Oenothera crassifolia]
                                             Eulobus sceptrostigma
                                     Fissendocarpa
                                     Fuchsia
                                           [Spachia]
                                             Fuchsia abrupta
                                                   [Fuchsia aspiazui]
                                             Fuchsia alpestris
                                             Fuchsia ampliata
                                             Fuchsia andrei
                                                   [Fuchsia osgoodii]
                                                   [Fuchsia ovalis var. aberrans]
                                             Fuchsia arborea
                                             Fuchsia arborescens
                                             Fuchsia austromontana
                                             Fuchsia ayavacensis
                                             Fuchsia boliviana
                                             Fuchsia canescens
                                             Fuchsia chloroloba
                                             Fuchsia coccinea
                                             Fuchsia cochabambana
                                             Fuchsia corollata
                                             Fuchsia corymbiflora
                                             Fuchsia cuatrecasasii
                                             Fuchsia cylindracea
                                             Fuchsia decidua
                                             Fuchsia decussata
                                             Fuchsia dependens
                                             Fuchsia encliandra
                                               Fuchsia encliandra subsp. encliandra
                                               Fuchsia encliandra subsp. tetradactyla
                                                     [Fuchsia seleriana]
                                                     [Fuchsia striolata]
                                                     [Fuchsia tetradactyla]
                                             Fuchsia excorticata
                                             Fuchsia fontinalis
                                             Fuchsia fulgens
                                             Fuchsia furfuracea
                                             Fuchsia gehrigeri
                                             Fuchsia glaberrima
                                             Fuchsia gracilis
                                             Fuchsia hartwegii
                                             Fuchsia hatschbachii
                                             Fuchsia hirtella
                                             Fuchsia hybrida
                                             Fuchsia jimenezii
                                             Fuchsia juntasensis
                                             Fuchsia lehmannii
                                             Fuchsia llewelynii
                                             Fuchsia loxensis
                                             Fuchsia lycioides
                                             Fuchsia macrophylla
                                             Fuchsia macrostema
                                             Fuchsia macrostigma
                                             Fuchsia magellanica
                                                   [Fuchsia globosa]
                                               Fuchsia magellanica var. globosa
                                               Fuchsia magellanica var. gracilis
                                               Fuchsia magellanica var. macrostema
                                             Fuchsia membranacea
                                             Fuchsia michoacanensis
                                             Fuchsia microphylla
                                               Fuchsia microphylla subsp. aprica
                                                     [Fuchsia aprica]
                                               Fuchsia microphylla subsp. chiapensis
                                                     [Fuchsia chiapensis]
                                               Fuchsia microphylla subsp. hemsleyana
                                                     [Fuchsia hemsleyana]
                                               Fuchsia microphylla subsp. hidalgensis
                                               Fuchsia microphylla subsp. microphylla
                                               Fuchsia microphylla subsp. quercetorum
                                             Fuchsia minutiflora
                                               Fuchsia minutiflora var. hidalgensis
                                             Fuchsia nigricans
                                             Fuchsia obconica
                                             Fuchsia orientalis
                                             Fuchsia pachyrrhiza
                                             Fuchsia pallescens
                                             Fuchsia paniculata
                                               Fuchsia paniculata subsp. paniculata
                                             Fuchsia parviflora
                                                   [Fuchsia biflora]
                                                   [Fuchsia mexiae]
                                             Fuchsia perscandens
                                             Fuchsia petiolaris
                                             Fuchsia pilosa
                                             Fuchsia polyantha
                                             Fuchsia pringlei
                                             Fuchsia pringsheimii
                                             Fuchsia procumbens
                                             Fuchsia putumayensis
                                             Fuchsia racemosa
                                             Fuchsia ravenii
                                             Fuchsia regia
                                             Fuchsia rosea
                                             Fuchsia sanctae-rosae
                                             Fuchsia sanmartina
                                             Fuchsia scabriuscula
                                             Fuchsia sessilifolia
                                             Fuchsia simplicicaulis
                                             Fuchsia splendens
                                                   [Fuchsia cordifolia]
                                             Fuchsia steyermarkii
                                             Fuchsia summa
                                             Fuchsia sylvatica
                                             Fuchsia thymifolia
                                                   [Fuchsia colimae]
                                                   [Fuchsia thymifolia subsp. thymifolia]
                                               Fuchsia thymifolia subsp. minimiflora
                                                     [Fuchsia minimiflora]
                                                     [Fuchsia skutchiana]
                                             Fuchsia tillettiana
                                             Fuchsia triphylla
                                             Fuchsia vargasiana
                                             Fuchsia venusta
                                             Fuchsia verrucosa
                                             Fuchsia vulcanica
                                               Fuchsia regia subsp. reitzii
                                     Fuschsia
                                             Fuschsia arborescens
                                             Fuschsia boliviana
                                             Fuschsia coccinea
                                     Galpinsia
                                             Galpinsia greggii
                                             Galpinsia lampsana
                                     Gaura
                                             Gaura hexandra
                                               Gaura hexandra subsp. gracilis
                                                     [Gaura glandulosa]
                                                     [Gaura gracilis f. glandulosa]
                                                     [Gaura gracilis var. typica]
                                                     [Gaura gracilis]
                                               Gaura hexandra subsp. hexandra
                                               Gaura hexandra var. coryi
                                               Gaura hexandra var. hexandra
                                               Gaura hexandra var. triangulata
                                             Gaura hirsuta
                                             Gaura induta
                                             Gaura macrocarpa
                                             Gaura mckelveyae
                                             Gaura michauxii
                                             Gaura mutabilis
                                                   [Gaura gentryi]
                                             Gaura podocarpa
                                             Gaura roemeriana
                                             Gaura strigillosa
                                     Gaurella
                                     Gayophytum
                                             Gayophytum caesium
                                             Gayophytum decipiens
                                             Gayophytum diffusum
                                               Gayophytum diffusum subsp. diffusum
                                                     [Oenothera diffusa]
                                               Gayophytum diffusum subsp. parviflorum
                                                     [Gayophytum diffusum var. strictipes]
                                                     [Gayophytum helleri var. erosulatum]
                                                     [Gayophytum intermedium]
                                                     [Gayophytum lasiospermum var. hoffmannii]
                                                     [Gayophytum lasiospermum]
                                                     [Gayophytum nuttallii var. abramsii]
                                                     [Gayophytum nuttallii var. intermedium]
                                                     [Gayophytum ramosissimum var. strictipes]
                                               Gayophytum diffusum var. diffusum
                                               Gayophytum diffusum var. villosum
                                             Gayophytum eriospermum
                                                   [Gayophytum eriospermun]
                                             Gayophytum heterozygum
                                             Gayophytum hirtellum
                                             Gayophytum humile
                                                   [Gayophytum nuttallii]
                                             Gayophytum micranthum
                                             Gayophytum oligospermum
                                                   [Gayophytum gligospermum]
                                             Gayophytum pumilum
                                             Gayophytum racemosum
                                                   [Gayophytum helleri var. glabrum]
                                                   [Gayophytum helleri]
                                                   [Gayophytum humile var. hirtellum]
                                                   [Gayophytum racemosum var. caesium]
                                             Gayophytum ramosissimum
                                               Gayophytum ramosissimum var. obtusum
                                             Gayophytum strictum
                                     Godetia
                                             Godetia amoena
                                               Godetia amoena var. albicaulis
                                               Godetia amoena var. concolor
                                               Godetia amoena var. gracilis
                                               Godetia amoena var. lindleyi
                                               Godetia amoena var. sonomensis
                                             Godetia biloba
                                             Godetia blasdalei
                                             Godetia bottae
                                               Godetia bottae var. deflexa
                                             Godetia cylindrica
                                               Godetia cylindrica var. tracyi
                                             Godetia delicata
                                             Godetia dudleyana
                                               Godetia dudleyana var. brandegeeae
                                             Godetia hansenii
                                             Godetia hispidula
                                             Godetia lanata
                                             Godetia lassenensis
                                             Godetia lepida
                                               Godetia lepida var. parviflora
                                             Godetia micropetala
                                             Godetia pacifica
                                             Godetia parviflora
                                               Godetia parviflora var. luteola
                                               Godetia parviflora var. margaritiae
                                             Godetia purpurea
                                               Godetia purpurea var. elmeri
                                               Godetia purpurea var. lacunora
                                               Godetia purpurea var. procera
                                             Godetia sparsiflora
                                             Godetia viminea
                                               Godetia viminea var. congdonii
                                               Godetia viminea var. incerta
                                     Gongylocarpus
                                             Gongylocarpus fruticulosus
                                                   [Burragea fruticulosa]
                                               Gongylocarpus fruticulosus subsp. fruticulosus
                                               Gongylocarpus fruticulosus subsp. glaber
                                                     [Burragea fruticulosa subsp. glabra]
                                                     [Burragea glabra]
                                             Gongylocarpus rubricaulis
                                     Hartmannia
                                             Hartmannia havardii
                                             Hartmannia montana
                                             Hartmannia pungens
                                             Hartmannia rosea
                                     Hauya
                                             Hauya arborea
                                             Hauya elegans
                                               Hauya elegans subsp. barcenae
                                                     [Hauya barcenae]
                                                     [Hauya rusbyi]
                                               Hauya elegans subsp. cornuta
                                                     [Hauya lemnophila]
                                                     [Hauya longicornuta var. ovalifolia]
                                                     [Hauya microcerata]
                                                     [Hauya pedicellata]
                                                     [Hauya rodriguezii]
                                                     [Hauya ruacophila]
                                               Hauya elegans subsp. lucida
                                                     [Hauya donnellsmithii]
                                                     [Hauya glauca]
                                                     [Hauya longicornuta]
                                                     [Hauya lucida]
                                             Hauya heydeana
                                             Hauya lundellii
                                     Heterogaura
                                             Heterogaura californica
                                             Heterogaura heterandra
                                     Holmgrenia
                                     Isnardia
                                             Isnardia spathulata
                                     Jehlia
                                     Jussiaea
                                             Jussiaea decurrens
                                             Jussiaea erecta
                                             Jussiaea michauxiana
                                             Jussiaea neglecta
                                             Jussiaea octonervia
                                             Jussiaea repens
                                               Jussiaea repens var. grandiflora
                                               Jussiaea repens var. montevidensis
                                             Jussiaea scabra
                                             Jussiaea subacaulis
                                             Jussiaea suffruticosa
                                             Jussiaea uruguayensis
                                     Kneiffia
                                             Kneiffia allenii
                                             Kneiffia arenicola
                                             Kneiffia brevistipata
                                             Kneiffia fruticosa
                                               Kneiffia fruticosa var. differta
                                                     [Oenothera fruticosa var. differta]
                                             Kneiffia glauca
                                             Kneiffia hybrida
                                             Kneiffia latifolia
                                             Kneiffia linearis
                                             Kneiffia linifolia
                                             Kneiffia longipedicellata
                                             Kneiffia perennis
                                             Kneiffia pratensis
                                             Kneiffia pumila
                                             Kneiffia riparia
                                             Kneiffia semiglandulosa
                                             Kneiffia subglobosa
                                             Kneiffia sumstinei
                                             Kneiffia tetragona
                                     Lavauxia
                                             Lavauxia centaurifolia
                                             Lavauxia graminifolia
                                                   [Oenothera graminifolia]
                                             Lavauxia palustris
                                             Lavauxia tubifera
                                                   [Oenothera tubifera]
                                             Lavauxia wrightii
                                     Lopezia
                                             Lopezia ciliatula
                                             Lopezia clavata
                                             Lopezia concinna
                                             Lopezia conjugens
                                             Lopezia cornuta
                                             Lopezia coronata
                                             Lopezia gentryi
                                                   [Lopezia laciniata subsp. gentryi]
                                             Lopezia gracilis
                                             Lopezia grandiflora
                                                   [Jehlia grandiflora]
                                               Lopezia grandiflora subsp. macrophylla
                                                     [Lopezia macrophylla]
                                             Lopezia hirsuta
                                             Lopezia laciniata
                                             Lopezia langmaniae
                                             Lopezia longiflora
                                             Lopezia lopezioides
                                                   [Diplandra lopezioides]
                                             Lopezia mexicana
                                             Lopezia miniata
                                               Lopezia miniata subsp. hintonii
                                                     [Lopezia hintonii]
                                               Lopezia miniata subsp. miniata
                                                     [Lopezia palmeri]
                                               Lopezia miniata subsp. paniculata
                                                     [Lopezia paniculata]
                                             Lopezia nuevo-leonis
                                             Lopezia ovata
                                                   [Lopezia laciniata subsp. ovata]
                                             Lopezia pringlei
                                             Lopezia pubescens
                                             Lopezia pumila
                                             Lopezia racemosa
                                                   [Lopezia angustifolia]
                                               Lopezia racemosa subsp. moelchenensis
                                               Lopezia racemosa subsp. racemosa
                                                     [Lopezia corymbosa]
                                                     [Lopezia elegans]
                                                     [Lopezia globosa]
                                             Lopezia riesenbachia
                                             Lopezia semeiandra
                                             Lopezia suffrutescens
                                             Lopezia trichota
                                             Lopezia violacea
                                     Ludwigia
                                             Ludwigia abyssinica
                                                   [Jussiaea abyssinica]
                                             Ludwigia adscendens
                                               Ludwigia adscendens subsp. adscendens
                                               Ludwigia adscendens subsp. diffusa
                                                     [Jussiaea repens var. diffusa]
                                                     [Jussiaea stolonifera]
                                                     [Ludwigia adscendens var. diffusa]
                                                     [Ludwigia stolonifera]
                                             Ludwigia affinis
                                                   [Jussiaea affinis]
                                             Ludwigia africana
                                                   [Jussiaea africana]
                                             Ludwigia alata
                                             Ludwigia alternifolia
                                                   [Ludwigia alternifolia var. linearifolia]
                                                   [Ludwigia alternifolia var. pubescens]
                                                   [Ludwigia alternifolia var. typica]
                                               Ludwigia alternifolia var. alternifolia
                                             Ludwigia angustifolia
                                             Ludwigia arcuata
                                             Ludwigia bonariensis
                                                   [Jussiaea bonariensis]
                                             Ludwigia brachyphylla
                                             Ludwigia brenanii
                                                   [Jussiaea gracilis]
                                             Ludwigia brevipes
                                             Ludwigia curtissii
                                             Ludwigia cylindrica
                                               Ludwigia cylindrica var. brachycarpa
                                             Ludwigia decurrens
                                                   [Diplandra montana]
                                                   [Jussiaea palustris]
                                                   [Jussiaea tenuifolia]
                                             Ludwigia densiflora
                                             Ludwigia diffusa
                                             Ludwigia dodecandra
                                             Ludwigia elegans
                                             Ludwigia epilobioides
                                             Ludwigia erecta
                                                   [Isnardia discolor]
                                                   [Jussiaea acuminata var. latifolia]
                                                   [Jussiaea acuminata]
                                             Ludwigia filiformis
                                             Ludwigia foliobracteolata
                                                   [Jussiaea foliobracteolata]
                                             Ludwigia glandulosa
                                               Ludwigia glandulosa subsp. brachycarpa
                                               Ludwigia glandulosa subsp. glandulosa
                                               Ludwigia glandulosa var. glandulosa
                                               Ludwigia glandulosa var. torreyi
                                               Ludwigia glandulosa var. typica
                                             Ludwigia grandiflora
                                                   [Jussiaea grandiflora]
                                               Ludwigia grandiflora subsp. grandiflora
                                               Ludwigia grandiflora subsp. hexapetala
                                             Ludwigia helminthorrhiza
                                                   [Jussiaea natans]
                                             Ludwigia hexapetala
                                             Ludwigia hirtella
                                             Ludwigia hookeri
                                             Ludwigia hyssopifolia
                                                   [Fissendocarpa linifolia]
                                                   [Jussiaea hyssopifolia]
                                                   [Jussiaea linifolia]
                                             Ludwigia inclinata
                                             Ludwigia irwinii
                                             Ludwigia jussiaeoides
                                                   [Jussiaea jussiaeoides]
                                             Ludwigia lacustris
                                             Ludwigia lagunae
                                                   [Jussiaea lagunae]
                                             Ludwigia lanceolata
                                             Ludwigia latifolia
                                             Ludwigia leptocarpa
                                                   [Jussiaea leptocarpa]
                                                   [Jussiaea pilosa var. glabra]
                                                   [Jussiaea pilosa]
                                                   [Jussiaea seminuda]
                                                   [Jussiaea velutina]
                                                   [Ludwigia leptocarpa var. meyeriana]
                                               Ludwigia leptocarpa subsp. leptocarpa
                                                     [Jussiaea biacuminata]
                                             Ludwigia linearis
                                               Ludwigia linearis var. linearis
                                               Ludwigia linearis var. puberula
                                             Ludwigia linifolia
                                             Ludwigia longifolia
                                             Ludwigia major
                                             Ludwigia maritima
                                             Ludwigia mexiae
                                                   [Jussiaea mexiae]
                                             Ludwigia microcarpa
                                             Ludwigia mollis
                                             Ludwigia multinervia
                                             Ludwigia nervosa
                                                   [Ludwigia hondurensis]
                                             Ludwigia nitida
                                             Ludwigia octovalvis
                                                   [Jussiaea decumbens]
                                                   [Jussiaea didymosperma]
                                                   [Jussiaea ligustrifolia]
                                                   [Jussiaea linearis]
                                                   [Jussiaea macropoda]
                                                   [Jussiaea nodulosa]
                                                   [Jussiaea occidentalis]
                                                   [Jussiaea octonervia f. sessiliflora]
                                                   [Jussiaea suffruticosa var. brevisepala]
                                                   [Jussiaea suffruticosa var. linearifolia]
                                                   [Jussiaea suffruticosa var. linearis]
                                                   [Jussiaea suffruticosa var. sessiliflora]
                                                   [Ludwigia capitata var. pubens]
                                                   [Ludwigia capitata]
                                                   [Ludwigia octovalis]
                                                   [Ludwigia octovalvis subsp. brevisepala]
                                                   [Ludwigia pubescens var. brevisepala]
                                                   [Ludwigia pubescens var. linearis]
                                                   [Ludwigia pubescens var. pubescens]
                                                   [Ludwigia pubescens]
                                                   [Oenothera octovalvis]
                                               Ludwigia octovalvis subsp. octovalvis
                                                     [Jussiaea angustifolia]
                                                     [Jussiaea clavata]
                                                     [Jussiaea octofila]
                                                     [Jussiaea suffruticosa var. octofila]
                                                     [Ludwigia octovalvis var. ligustrifolia]
                                                     [Ludwigia octovalvis var. macropoda]
                                                     [Ludwigia octovalvis var. octofila]
                                               Ludwigia octovalvis subsp. sessiliflora
                                               Ludwigia octovalvis var. octovalvis
                                               Ludwigia octovalvis var. sessiliflora
                                             Ludwigia ovalis
                                             Ludwigia palustris
                                                   [Isnardia palustris]
                                                   [Ludwigia palustris var. americana]
                                                   [Ludwigia palustris var. nana]
                                                   [Ludwigia palustris var. pacifica]
                                               Ludwigia palustris var. palustris
                                             Ludwigia peduncularis
                                                   [Jussiaea peduncularis]
                                             Ludwigia pedunculosa
                                             Ludwigia peploides
                                               Ludwigia peploides subsp. glabrescens
                                                     [Jussiaea diffusa]
                                                     [Jussiaea repens var. glabrescens]
                                                     [Ludwigia peploides var. glaberescens]
                                                     [Ludwigia peploides var. glabrescens]
                                               Ludwigia peploides subsp. montevidensis
                                               Ludwigia peploides subsp. peploides
                                                     [Jussiaea californica]
                                                     [Jussiaea peploides]
                                                     [Jussiaea ramulosa]
                                                     [Jussiaea repens var. peploides]
                                               Ludwigia peploides var. montevidensis
                                               Ludwigia peploides var. peploides
                                             Ludwigia perennis
                                                   [Jussiaea perennis]
                                                   [Ludwigia humbertii]
                                                   [Ludwigia nesaeoides]
                                                   [Ludwigia parviflora]
                                             Ludwigia peruviana
                                                   [Jussiaea hirta]
                                                   [Jussiaea macrocarpa]
                                                   [Jussiaea peruviana]
                                             Ludwigia pilosa
                                             Ludwigia polycarpa
                                             Ludwigia potamogeton
                                             Ludwigia prostrata
                                             Ludwigia ravenii
                                             Ludwigia repens
                                                   [Isnardia intermedia]
                                                   [Isnardia natans]
                                                   [Isnardia repens]
                                                   [Ludwigia fluitans]
                                                   [Ludwigia natans var. rotundata]
                                                   [Ludwigia natans var. stipitata]
                                                   [Ludwigia natans]
                                                   [Ludwigia repens var. rotundata]
                                                   [Ludwigia repens var. stipitata]
                                             Ludwigia rigida
                                             Ludwigia sedoides
                                             Ludwigia senegalensis
                                                   [Jussiaea prieurea]
                                                   [Jussiaea pulvinaris]
                                                   [Jussiaea senegalensis]
                                                   [Ludwigia pulvinaris subsp. lobayensis]
                                                   [Ludwigia pulvinaris]
                                                   [Prieurea senegalensis]
                                             Ludwigia sericea
                                             Ludwigia simpsonii
                                             Ludwigia simulata
                                             Ludwigia spathulata
                                             Ludwigia spathulifolia
                                             Ludwigia sphaerocarpa
                                               Ludwigia sphaerocarpa var. deamii
                                               Ludwigia sphaerocarpa var. jungens
                                               Ludwigia sphaerocarpa var. macrocarpa
                                               Ludwigia sphaerocarpa var. sphaerocarpa
                                             Ludwigia stenorraphe
                                               Ludwigia stenorraphe subsp. macrosepala
                                                     [Jussiaea stenorraphe var. macrosepala]
                                               Ludwigia stenorraphe subsp. reducta
                                                     [Jussiaea stenorraphe var. reducta]
                                               Ludwigia stenorraphe subsp. speciosa
                                                     [Jussiaea stenorraphe var. speciosa]
                                               Ludwigia stenorraphe subsp. stenorraphe
                                                     [Jussiaea stenorraphe]
                                             Ludwigia stricta
                                                   [Isnardia stricta]
                                             Ludwigia suffruticosa
                                             Ludwigia tepicana
                                             Ludwigia tomentosa
                                             Ludwigia torulosa
                                                   [Jussiaea oocarpa]
                                                   [Oocarpon jussiaeoides f. microcarpa]
                                                   [Oocarpon jussiaeoides]
                                             Ludwigia uruguayensis
                                               Ludwigia uruguayensis var. major
                                             Ludwigia virgata
                                             Ludwigia x lacustris
                                             Ludwigia ×lacustris
                                                   [Ludwigia ×lacustris f. aquatilis]
                                     Ludwigiantha
                                             Ludwigiantha arcuata
                                             Ludwigiantha brevipes
                              Ludwigioideae
                                     Megacorax
                                             Megacorax gracielanus
                                     Megapterium
                                             Megapterium fremontii
                                             Megapterium missouriense
                                             Megapterium oklahomense
                                     Meriolix
                                     Neoholmgrenia
                                             Neoholmgrenia andina
                                                   [Camissonia andina]
                                                   [Oenothera andina]
                                                   [Sphaerostigma andinum]
                                             Neoholmgrenia hilgardii
                                                   [Holmgrenia hilgardii]
                                     Oenothera
                                           [Gaura ludoviciana]
                                             Oenothera F1 hybrid
                                             Oenothera acaulis
                                             Oenothera acutissima
                                                   [Oenothera flava var. acutissima]
                                             Oenothera affinis
                                             Oenothera albicans
                                             Oenothera albicaulis
                                                   [Anogra albicaulis]
                                                   [Oenothera bradburiana]
                                                   [Oenothera ctenophylla]
                                               Oenothera albicaulis var. pallida
                                               Oenothera albicaulis var. runcinata
                                             Oenothera albinervis
                                             Oenothera ammophila
                                             Oenothera angustissima
                                             Oenothera anomala
                                             Oenothera arenicola
                                             Oenothera argillicola
                                               Oenothera argillicola var. pubescens
                                             Oenothera arida
                                             Oenothera austromontana
                                             Oenothera berlandieri
                                               Oenothera berlandieri subsp. berlandieri
                                                     [Calylophus drummondii]
                                                     [Hartmannia berlandieri]
                                                     [Meriolix berlandieri]
                                                     [Oenothera capillifolia subsp. berlandieri]
                                                     [Oenothera speciosa var. berlandieri]
                                               Oenothera berlandieri subsp. pinifolia
                                                     [Calylophus berlandieri subsp. pinifolius]
                                                     [Calylophus drummondianus subsp. drummondianus]
                                                     [Calylophus drummondianus]
                                                     [Calylophus serrulatus var. spinulosus]
                                                     [Meriolix capillifolia]
                                                     [Meriolix hillii]
                                                     [Meriolix melanoglottis]
                                                     [Oenothera serrulata subsp. pinifolia]
                                                     [Oenothera serrulata var. pinifolia]
                                             Oenothera biennis
                                                   [Oenothera biennis subsp. caeciarum]
                                                   [Oenothera biennis subsp. centralis]
                                                   [Oenothera biennis var. leptomeres]
                                                   [Oenothera biennis var. pycnocarpa]
                                                   [Oenothera brevicapsula]
                                                   [Oenothera muricata]
                                                   [Oenothera pycnocarpa]
                                                   [Oenothera ruderalis]
                                                   [Oenothera suaveolens]
                                               Oenothera biennis subsp. austromontana
                                               Oenothera biennis subsp. biennis
                                               Oenothera biennis var. austromontana
                                               Oenothera biennis var. biennis
                                               Oenothera biennis var. canescens
                                               Oenothera biennis var. nutans
                                               Oenothera biennis var. oakesiana
                                               Oenothera biennis var. parviflora
                                             Oenothera bifrons
                                             Oenothera boquillensis
                                                   [Gaura boquillensis]
                                             Oenothera brachycarpa
                                                   [Lavauxia brachycarpa]
                                                   [Megapterium brachycarpum]
                                                   [Oenothera brachycarpa var. wrightii]
                                                   [Oenothera caespitosa subsp. australis]
                                                   [Oenothera caespitosa var. australis]
                                                   [Oenothera cespitosa subsp. australis]
                                                   [Oenothera cespitosa var. australis]
                                               Oenothera brachycarpa var. brachycarpa
                                             Oenothera brandegeei
                                             Oenothera breedlovei
                                             Oenothera breviflora
                                             Oenothera bufonis
                                             Oenothera calcicola
                                                   [Gaura calcicola]
                                             Oenothera californica
                                                   [Anogra californica]
                                               Oenothera californica subsp. arizonica
                                                     [Oenothera arizonica]
                                                     [Oenothera avita subsp. arizonica]
                                                     [Oenothera deltoides var. arizonica]
                                               Oenothera californica subsp. avita
                                                     [Oenothera avita var. avita]
                                                     [Oenothera avita]
                                               Oenothera californica subsp. californica
                                               Oenothera californica subsp. eurekensis
                                                     [Oenothera avita subsp. eurekensis]
                                               Oenothera californica var. californica
                                               Oenothera californica var. glabrata
                                             Oenothera camporum
                                             Oenothera campylocalyx
                                             Oenothera canescens
                                                   [Gaurella canescens]
                                                   [Pachylophus canescens]
                                             Oenothera canovirens
                                                   [Oenothera strigosa subsp. canovirens]
                                             Oenothera capillifolia
                                               Oenothera capillifolia subsp. capillifolia
                                             Oenothera cavernae
                                             Oenothera cespitosa
                                                   [Oenothera caespitosa]
                                                   [Pachylophus caespitosa]
                                               Oenothera cespitosa subsp. crinita
                                                     [Oenothera caespitosa subsp. crinita]
                                                     [Oenothera caespitosa subsp. jonesii]
                                                     [Oenothera caespitosa var. crinita]
                                                     [Oenothera caespitosa var. jonesii]
                                                     [Oenothera cespitosa subsp. jonesii]
                                                     [Oenothera cespitosa var. crinita]
                                                     [Oenothera cespitosa var. jonesii]
                                                     [Pachylophis crinitus]
                                               Oenothera cespitosa subsp. eximia
                                                     [Oenothera caespitosa subsp. eximia]
                                                     [Oenothera caespitosa var. eximia]
                                                     [Oenothera cespitosa var. eximia]
                                               Oenothera cespitosa subsp. macroglottis
                                                     [Oenothera caespitosa subsp. macroglottis]
                                                     [Oenothera caespitosa var. macroglottis]
                                                     [Oenothera cespitosa var. eximi]
                                                     [Oenothera cespitosa var. macroglottis]
                                               Oenothera cespitosa subsp. marginata
                                                     [Oenothera caespitosa subsp. marginata]
                                                     [Oenothera caespitosa var. marginata]
                                                     [Oenothera cespitosa var. marginata]
                                                     [Oenothera idahoensis]
                                                     [Pachylophus prolatus]
                                               Oenothera cespitosa subsp. navajoensis
                                                     [Oenothera caespitosa subsp. navajoensis]
                                                     [Oenothera caespitosa var. navajoensis]
                                                     [Oenothera cespitosa var. navajoensis]
                                               Oenothera cespitosa var. brandegeei
                                               Oenothera cespitosa var. cespitosa
                                                     [Oenothera caespitosa subsp. caespitosa]
                                                     [Oenothera caespitosa subsp. montana]
                                                     [Oenothera caespitosa subsp. purpurea]
                                                     [Oenothera caespitosa var. caespitosa]
                                                     [Oenothera caespitosa var. montana]
                                                     [Oenothera caespitosa var. purpurea]
                                                     [Oenothera cespitosa subsp. cespitosa]
                                                     [Oenothera cespitosa subsp. montana]
                                                     [Oenothera cespitosa subsp. purpurea]
                                                     [Oenothera cespitosa var. montana]
                                                     [Oenothera cespitosa var. purpurea]
                                                     [Pachylophis caespitosus]
                                                     [Pachylophis cespitosus]
                                                     [Pachylophis montanus]
                                               Oenothera cespitosa var. longiflora
                                                     [Oenothera caespitosa var. longiflora]
                                               Oenothera cespitosa var. stellae
                                                     [Oenothera caespitosa var. stellae]
                                             Oenothera cheiranthifolia
                                               Oenothera cheiranthifolia subsp. suffruticosa
                                               Oenothera cheiranthifolia var. nitida
                                             Oenothera cinerea
                                                   [Gaura villosa]
                                               Oenothera cinerea subsp. cinerea
                                                     [Gaura cinerea]
                                                     [Gaura villosa subsp. villosa]
                                                     [Gaura villosa var. arenicola]
                                                     [Gaura villosa var. typica]
                                                     [Gaura villosa var. villosa]
                                               Oenothera cinerea subsp. parksii
                                                     [Gaura villosa subsp. parksii]
                                                     [Gaura villosa var. parksii]
                                             Oenothera clavaeformis
                                               Oenothera clavaeformis subsp. aurantiaca
                                             Oenothera clelandii
                                             Oenothera coloradensis
                                                   [Gaura coloradensis]
                                                   [Gaura neomexicana subsp. coloradensis]
                                               Oenothera coloradensis subsp. coloradensis
                                               Oenothera coloradensis subsp. neomexicana
                                                     [Gaura neo-mexicana]
                                                     [Gaura neomexicana subsp. neomexicana]
                                                     [Gaura neomexicana var. coloradensis]
                                                     [Gaura neomexicana var. typica]
                                                     [Gaura neomexicana]
                                                     [Oenothera dodgeniana]
                                             Oenothera coquimbensis
                                             Oenothera cordata
                                             Oenothera coronopifolia
                                                   [Anogra coronopifolia]
                                             Oenothera coryi
                                             Oenothera cruciformis
                                                   [Oenothera claviformis subsp. cruciformis]
                                                   [Oenothera claviformis var. cruciformis]
                                             Oenothera curtiflora
                                                   [Gaura micrantha]
                                                   [Gaura mollis]
                                                   [Gaura parviflora var. lachnocarpa]
                                                   [Gaura parviflora var. parviflora]
                                                   [Gaura parviflora var. typica]
                                                   [Gaura parviflora]
                                             Oenothera curtissii
                                                   [Oenothera curtisii]
                                             Oenothera deltoidea
                                             Oenothera deltoides
                                               Oenothera deltoides subsp. ambigua
                                                     [Oenothera deltoides var. ambigua]
                                                     [Oenothera deltoides var. decumbens]
                                               Oenothera deltoides subsp. cognata
                                                     [Oenothera deltoides var. cognata]
                                               Oenothera deltoides subsp. deltoides
                                                     [Anogra deltoidea]
                                                     [Oenothera deltoides var. cineracea]
                                                     [Oenothera deltoides var. deltoides]
                                                     [Oenothera deltoides var. typica]
                                                     [Oenothera kleinii]
                                               Oenothera deltoides subsp. eurekensis
                                               Oenothera deltoides subsp. howellii
                                                     [Oenothera deltoides var. howellii]
                                               Oenothera deltoides subsp. piperi
                                                     [Oenothera deltoides var. piperi]
                                             Oenothera demareei
                                                   [Gaura demareei]
                                             Oenothera depressa
                                             Oenothera deserti
                                             Oenothera deserticola
                                                   [Oenothera purpusii]
                                                   [Xylopleurum deserticola]
                                             Oenothera dissecta
                                             Oenothera drummondii
                                                   [Oenothera serrulata subsp. drummondii]
                                                   [Oenothera sinuata var. drummondii]
                                                   [Raimannia drummondii]
                                               Oenothera drummondii subsp. drummondii
                                                     [Oenothera littoralis]
                                               Oenothera drummondii subsp. thalassaphila
                                               Oenothera drummondii var. thalassaphila
                                             Oenothera elata
                                               Oenothera elata subsp. elata
                                               Oenothera elata subsp. hirsutissima
                                                     [Oenothera biennis var. hirsutissima]
                                                     [Oenothera elata subsp. texensis]
                                                     [Oenothera elata var. hirsutissima]
                                                     [Oenothera hookeri subsp. angustifolia]
                                                     [Oenothera hookeri subsp. grisea]
                                                     [Oenothera hookeri subsp. hewettii]
                                                     [Oenothera hookeri subsp. hirsutissima]
                                                     [Oenothera hookeri subsp. ornata]
                                                     [Oenothera hookeri subsp. venusta]
                                                     [Oenothera hookeri var. angustifolia]
                                                     [Oenothera hookeri var. hewettii]
                                                     [Oenothera hookeri var. hirsutissima]
                                                     [Oenothera hookeri var. ornata]
                                                     [Oenothera ornata]
                                                     [Oenothera simsiana]
                                               Oenothera elata subsp. hookeri
                                                     [Oenothera biennis var. hookeri]
                                                     [Oenothera hookeri subsp. montereyensis]
                                                     [Oenothera hookeri var. montereyensis]
                                                     [Oenothera hookeri]
                                             Oenothera elongata
                                             Oenothera engelmannii
                                                   [Anogra pallida var. engelmannii]
                                             Oenothera epilobiifolia
                                                   [Oenothera epilobiifolia subsp. cuprea]
                                                   [Oenothera multicaulis var. tarquensis]
                                             Oenothera epilobioides
                                             Oenothera erosa
                                             Oenothera erythrosepala
                                             Oenothera falfurriae
                                             Oenothera filiformis
                                                   [Gaura biennis var. pitcheri]
                                                   [Gaura filiformis subsp. filiformis]
                                                   [Gaura filiformis var. kearneyi]
                                                   [Gaura filiformis]
                                                   [Gaura longiflora]
                                                   [Gaura pitcheri]
                                             Oenothera filipes
                                                   [Gaura filipes var. major]
                                                   [Gaura filipes]
                                             Oenothera flava
                                               Oenothera flava subsp. flava
                                                     [Lavauxia flava]
                                               Oenothera flava subsp. taraxacoides
                                                     [Lavauxia taraxacoides]
                                                     [Oenothera taraxacoides]
                                               Oenothera flava var. flava
                                             Oenothera fremontii
                                             Oenothera fruticosa
                                                   [Oenothera fruticosa f. diversifolia]
                                                   [Oenothera fruticosa var. linearifolia]
                                               Oenothera fruticosa subsp. fruticosa
                                                     [Oenothera youngii]
                                               Oenothera fruticosa subsp. glauca
                                                     [Oenothera fremontii var. glauca]
                                                     [Oenothera fruticosa subsp. tetragona]
                                                     [Oenothera glauca]
                                               Oenothera fruticosa var. eamesii
                                               Oenothera fruticosa var. fruticosa
                                               Oenothera fruticosa var. goodmanii
                                               Oenothera fruticosa var. humifusa
                                               Oenothera fruticosa var. linearis
                                                     [Oenothera linearis]
                                               Oenothera fruticosa var. microcarpa
                                               Oenothera fruticosa var. subglobosa
                                               Oenothera fruticosa var. unguiculata
                                               Oenothera fruticosa var. vera
                                             Oenothera gaura
                                                   [Gaura biennis var. biennis]
                                                   [Gaura biennis]
                                             Oenothera gauriflora
                                               Oenothera gauriflora var. caput-medusae
                                             Oenothera gauroides
                                             Oenothera gayleana
                                             Oenothera gigas
                                             Oenothera glaucifolia
                                                   [Gaura linifolia]
                                                   [Stenosiphon liniflorus]
                                                   [Stenosiphon linifolium]
                                                   [Stenosiphon virgatum]
                                             Oenothera glazioviana
                                                   [Oenothera simplex]
                                             Oenothera graciliflora
                                             Oenothera grandiflora
                                                   [Oenothera biennis var. grandiflora]
                                                   [Onagra biennis var. grandiflora]
                                             Oenothera grandis
                                                   [Oenothera laciniata var. grandiflora]
                                                   [Oenothera laciniata var. grandis]
                                                   [Raimannia grandis]
                                             Oenothera guadalupensis
                                               Oenothera guadalupensis subsp. clementina
                                             Oenothera hallii
                                                   [Oenothera bistorta var. hallii]
                                             Oenothera harringtonii
                                             Oenothera havardii
                                             Oenothera heribaudii
                                             Oenothera heterantha
                                             Oenothera heterochroma
                                               Oenothera heterochroma subsp. heterochroma
                                               Oenothera heterochroma subsp. monoensis
                                               Oenothera heterochroma var. monoensis
                                             Oenothera heterophylla
                                               Oenothera heterophylla subsp. heterophylla
                                                     [Oenothera leona]
                                                     [Oenothera pyramidalis var. lindheimeri]
                                               Oenothera heterophylla subsp. orientalis
                                               Oenothera heterophylla var. heterophylla
                                             Oenothera hexandra
                                                   [Gaura tripetala]
                                               Oenothera hexandra subsp. gracilis
                                               Oenothera hexandra subsp. hexandra
                                             Oenothera hilgardii
                                                   [Oenothera andina var. hilgardii]
                                                   [Oenothera contorta var. hilgardii]
                                             Oenothera hirtella
                                             Oenothera hispida
                                             Oenothera howardii
                                                   [Lavauxia howardii]
                                             Oenothera humifusa
                                                   [Oenothera sinuata var. humifusa]
                                                   [Raimannia humifusa]
                                                   [Raimannia mollissima]
                                             Oenothera hungarica
                                             Oenothera indecora
                                                   [Oenothera indecora subsp. bonariensis]
                                                   [Oenothera indecora subsp. indecora]
                                             Oenothera interior
                                             Oenothera jamesii
                                             Oenothera kernensis
                                               Oenothera kernensis subsp. gilmanii
                                               Oenothera kernensis subsp. kernensis
                                               Oenothera kernensis subsp. mojavensis
                                             Oenothera kunthiana
                                                   [Hartmannia domingensis]
                                                   [Hartmannia kunthiana]
                                             Oenothera laciniata
                                                   [Oenothera laciniata var. laciniata]
                                                   [Oenothera sinuata]
                                                   [Raimannia laciniata]
                                               Oenothera laciniata subsp. laciniata
                                             Oenothera lamarckiana
                                             Oenothera latifolia
                                                   [Anogra latifolia]
                                                   [Oenothera pallida subsp. latifolia]
                                             Oenothera lindheimeri
                                                   [Gaura lindheimeri]
                                             Oenothera linifolia
                                               Oenothera linifolia var. glandulosa
                                             Oenothera longiflora
                                               Oenothera longiflora subsp. longiflora
                                             Oenothera longipedicellata
                                             Oenothera longissima
                                                   [Oenothera longissima subsp. clutei]
                                                   [Oenothera longissima subsp. typica]
                                                   [Oenothera longissima var. clutei]
                                                   [Oenothera longissima var. longissima]
                                               Oenothera longissima subsp. longissima
                                             Oenothera luciae-julianiae
                                             Oenothera macbrideae
                                                   [Onagra macbrideae]
                                               Oenothera macbrideae var. ornata
                                                     [Onagra ornata]
                                             Oenothera macrocarpa
                                                   [Oenothera macarocarpa]
                                                   [Oenothera missouriensis var. missouriensis]
                                                   [Oenothera missouriensis]
                                               Oenothera macrocarpa subsp. fremontii
                                                     [Oenothera fremontii var. fremontii]
                                               Oenothera macrocarpa subsp. incana
                                                     [Oenothera missouriensis var. incana]
                                               Oenothera macrocarpa subsp. macrocarpa
                                                     [Oenothera missouriensis f. elongata]
                                                     [Oenothera missouriensis f. intermedia]
                                               Oenothera macrocarpa subsp. mexicana
                                               Oenothera macrocarpa subsp. oklahomensis
                                                     [Oenothera missouriensis var. oklahomensis]
                                               Oenothera macrocarpa var. incana
                                               Oenothera macrocarpa var. macrocarpa
                                               Oenothera macrocarpa var. oklahomensis
                                             Oenothera macrosceles
                                             Oenothera magellanica
                                                   [Oenothera hirsuta]
                                             Oenothera marginata
                                               Oenothera marginata var. purpurea
                                             Oenothera maysillesii
                                             Oenothera mckelveyae
                                                   [Gaura villosa var. mckelveyae]
                                             Oenothera media
                                             Oenothera mendocinensis
                                             Oenothera mexicana
                                             Oenothera minor
                                               Oenothera minor var. cusickii
                                               Oenothera minor var. minor
                                             Oenothera mollis
                                             Oenothera mollissima
                                             Oenothera montana
                                             Oenothera muelleri
                                             Oenothera multicaulis
                                             Oenothera munzii
                                             Oenothera murdockii
                                             Oenothera nanella
                                             Oenothera nealleyi
                                             Oenothera neomexicana
                                             Oenothera nervosa
                                             Oenothera nevadensis
                                             Oenothera nitida
                                             Oenothera niveifolia
                                             Oenothera nocturna
                                             Oenothera nutans
                                             Oenothera nuttallii
                                                   [Oenothera albicaulis var. nuttallii]
                                             Oenothera oakesiana
                                                   [Oenothera ammophiloides]
                                                   [Oenothera insignis]
                                                   [Oenothera magdalena]
                                                   [Oenothera rubescens]
                                                   [Oenothera stenopetala]
                                             Oenothera oblonga
                                             Oenothera odorata
                                                   [Oenothera undulata]
                                             Oenothera organensis
                                                   [Oenothera macrosiphon]
                                             Oenothera orizabae
                                             Oenothera pallida
                                               Oenothera pallida subsp. gypsophila
                                               Oenothera pallida subsp. pallida
                                                     [Oenothera pallida var. idahoensis]
                                                     [Oenothera pallida var. typica]
                                               Oenothera pallida subsp. runcinata
                                                     [Oenothera pallida var. runcinata]
                                                     [Oenothera runcinata var. brevifolia]
                                                     [Oenothera runcinata var. gypsophila]
                                                     [Oenothera runcinata var. leucotricha]
                                                     [Oenothera runcinata var. runcinata]
                                                     [Oenothera runcinata var. typica]
                                                     [Oenothera runcinata]
                                               Oenothera pallida subsp. trichocalyx
                                               Oenothera pallida var. californica
                                               Oenothera pallida var. latifolia
                                               Oenothera pallida var. pallida
                                               Oenothera pallida var. trichocalyx
                                             Oenothera parodiana
                                               Oenothera parodiana subsp. parodiana
                                             Oenothera parviflora
                                                   [Oenothera cruciata var. sabulonensis]
                                                   [Oenothera cruciata var. stenopetala]
                                                   [Oenothera cruciata]
                                                   [Oenothera cymatilis]
                                                   [Oenothera intermedia]
                                                   [Oenothera pariflora]
                                                   [Oenothera rubricapitata]
                                                   [Oenothera scitula]
                                                   [Oenothera venosa]
                                               Oenothera parviflora subsp. angustissima
                                               Oenothera parviflora var. angustissima
                                               Oenothera parviflora var. oakesiana
                                               Oenothera parviflora var. parviflora
                                             Oenothera patriciae
                                                   [Gaura brachycarpa]
                                                   [Gaura tripetala var. coryi]
                                             Oenothera pennellii
                                             Oenothera perangusta
                                             Oenothera perennis
                                               Oenothera perennis var. perennis
                                               Oenothera perennis var. rectipilis
                                                     [Oenothera pumila var. rectipilis]
                                               Oenothera perennis var. typica
                                             Oenothera pilosella
                                                   [Oenothera fruticosa var. hirsuta]
                                               Oenothera pilosella subsp. pilosella
                                               Oenothera pilosella subsp. sessilis
                                                     [Oenothera pilosella var. sellilis]
                                               Oenothera pilosella var. pilosella
                                               Oenothera pilosella var. sessilis
                                                     [Kneiffia sessilis]
                                             Oenothera pinnatifida
                                             Oenothera platanorum
                                             Oenothera podocarpa
                                             Oenothera pratensis
                                             Oenothera primiveris
                                                   [Oenothera primiveris var. primiveris]
                                               Oenothera primiveris subsp. bufonis
                                                     [Oenothera primiveris var. bufonis]
                                               Oenothera primiveris subsp. primiveris
                                                     [Oenothera primiveris subsp. caulescens]
                                                     [Oenothera primiveris var. caulescens]
                                             Oenothera pringlei
                                                   [Oenothera greggii var. pringlei]
                                             Oenothera psammophila
                                                   [Oenothera caespitosa var. psammophila]
                                                   [Oenothera cespitosa var. psammophila]
                                                   [Pachylophis psammophila]
                                                   [Pachylophus psammophilus]
                                             Oenothera pubens
                                                   [Oenothera contorta var. pubens]
                                                   [Oenothera strigulosa var. pubens]
                                             Oenothera pubescens
                                                   [Oenothera amplexicaulis]
                                                   [Oenothera laciniata subsp. pubescens]
                                                   [Oenothera laciniata var. pubescens]
                                             Oenothera pumila
                                               Oenothera pumila var. chrysantha
                                                     [Oenothera chrysantha]
                                             Oenothera purpurea
                                             Oenothera pygmaea
                                                   [Oenothera boothii var. pygmaea]
                                             Oenothera ramosissima
                                             Oenothera rhombipetala
                                                   [Oenothera heterophylla var. rhombipetala]
                                                   [Raimannia rhombipetala]
                                             Oenothera riparia
                                             Oenothera riskindii
                                             Oenothera rivadaviae
                                             Oenothera rosea
                                                   [Gaura epilobia]
                                             Oenothera rubicunda
                                             Oenothera rubricalyx
                                                   [Oenothera perangusta var. rubricalyx]
                                             Oenothera salicifolia
                                             Oenothera scabra
                                             Oenothera sceptrostigma
                                             Oenothera serrulata
                                                   [Calylophus australis]
                                                   [Calylophus serrulata]
                                                   [Calylophus serrulatus var. arizonicus]
                                                   [Calylophus serrulatus var. serrulatus]
                                                   [Calylophus serrulatus]
                                                   [Meriolix intermedia]
                                                   [Meriolix oblanceolata]
                                                   [Meriolix serrulata]
                                                   [Meriolix spinulosa]
                                                   [Oenothera serrulata var. drummondii]
                                                   [Oenothera serrulata var. typica]
                                                   [Oenothera serrulatus]
                                               Oenothera serrulata var. serrulata
                                             Oenothera sessilis
                                             Oenothera simulans
                                                   [Gaura angustifolia var. strigosa]
                                                   [Gaura angustifolia]
                                                   [Gaura eatonii]
                                                   [Gaura simulans]
                                             Oenothera sinuosa
                                                   [Gaura sinuata]
                                             Oenothera spachiana
                                             Oenothera speciosa
                                                   [Hartmannia speciosa]
                                                   [Oenothera delessertiana]
                                                   [Oenothera speciosa var. childsii]
                                                   [Xylopleurum drummondii]
                                               Oenothera speciosa var. speciosa
                                             Oenothera spectabilis
                                             Oenothera spiralis
                                               Oenothera spiralis var. linearis
                                             Oenothera stricta
                                               Oenothera stricta subsp. stricta
                                             Oenothera stubbei
                                             Oenothera subacaulis
                                             Oenothera subglobosa
                                               Oenothera subglobosa var. arenicola
                                             Oenothera suffrutescens
                                                   [Gaura coccinea var. arizonica]
                                                   [Gaura coccinea var. epilobioides]
                                                   [Gaura coccinea var. glabra]
                                                   [Gaura coccinea var. parvifolia]
                                                   [Gaura coccinea var. typica]
                                                   [Gaura coccinea]
                                                   [Gaura glabra]
                                                   [Gaura odorata]
                                             Oenothera suffulta
                                                   [Gaura suffulta]
                                               Oenothera suffulta subsp. nealleyi
                                                     [Gaura nealleyi]
                                                     [Gaura suffulta subsp. nealleyi]
                                               Oenothera suffulta subsp. suffulta
                                                     [Gaura suffulta subsp. suffulta]
                                             Oenothera tanacetifolia
                                             Oenothera tenella
                                             Oenothera tenuifolia
                                             Oenothera tenuissima
                                             Oenothera tetragona
                                                   [Oenothera fruticosa var. ambigua]
                                                   [Oenothera fruticosa var. glauca]
                                               Oenothera tetragona subsp. glauca
                                               Oenothera tetragona var. brevistipata
                                               Oenothera tetragona var. fraseri
                                               Oenothera tetragona var. hybrida
                                                     [Oenothera ambigua]
                                                     [Oenothera hybrida var. ambigua]
                                                     [Oenothera hybrida]
                                               Oenothera tetragona var. latifolia
                                               Oenothera tetragona var. longistipata
                                               Oenothera tetragona var. riparia
                                               Oenothera tetragona var. sharpii
                                               Oenothera tetragona var. tetragona
                                               Oenothera tetragona var. velutina
                                             Oenothera tetraptera
                                                   [Hartmannia tetraptera]
                                                   [Oenothera latiflora]
                                                   [Oenothera mutabilis]
                                             Oenothera texensis
                                             Oenothera tidestromii
                                             Oenothera torreyi
                                             Oenothera triangulata
                                                   [Gaura triangulata]
                                                   [Gaura tripetala var. triangulata]
                                             Oenothera trichocalyx
                                             Oenothera triloba
                                                   [Lavauxia triloba]
                                                   [Lavauxia watsonii]
                                                   [Oenothera hamata]
                                               Oenothera triloba var. ecristata
                                             Oenothera unguiculata
                                             Oenothera utahensis
                                             Oenothera versicolor
                                                   [Oenothera coccinea]
                                                   [Oenothera curvifolia]
                                             Oenothera villaricae
                                             Oenothera villosa
                                                   [Oenothera villosa var. villosa]
                                               Oenothera villosa subsp. canovirens
                                               Oenothera villosa subsp. strigosa
                                                     [Oenothera biennis var. strigosa]
                                                     [Oenothera cheradophila]
                                                     [Oenothera depressa subsp. strigosa]
                                                     [Oenothera procera]
                                                     [Oenothera rydbergii]
                                                     [Oenothera strigosa subsp. cheradophila]
                                                     [Oenothera strigosa subsp. strigosa]
                                                     [Oenothera strigosa]
                                                     [Oenothera subulifera]
                                                     [Oenothera villosa subsp. cheradophila]
                                                     [Oenothera villosa var. strigosa]
                                                     [Onagra strigosa var. subulata]
                                                     [Onagra strigosa]
                                               Oenothera villosa subsp. villosa
                                                     [Oenothera strigosa var. albinervis]
                                                     [Oenothera strigosa var. depressa]
                                             Oenothera watsonii
                                                   [Oenothera brevipes var. parviflora]
                                             Oenothera whitneyi
                                             Oenothera wigginsii
                                             Oenothera wolfii
                                                   [Oenothera hookeri subsp. wolfii]
                                             Oenothera wrightii
                                             Oenothera xenogaura
                                                   [Gaura drummondii]
                                                   [Schizocarya drummondii]
                                             Oenothera xylocarpa
                                             Oenothera × fallax
                                               Oenothera taraxacifolia var. ecristata
                                     Onagra
                                             Onagra biennis
                                             Onagra guttata
                                             Onagra hookeri
                                             Onagra salicifolia
                              Onagroideae
                                     Pachylophis
                                             Pachylophis cespitosa
                                     Pachylophus
                                             Pachylophus australis
                                             Pachylophus caulescens
                                             Pachylophus crinitus
                                             Pachylophus cylindrocarpus
                                             Pachylophus hirsutus
                                             Pachylophus macroglottis
                                             Pachylophus marginatus
                                     Peniophyllum
                                             Peniophyllum linifolium
                                     Phaeostoma
                                             Phaeostoma atropurpureum
                                             Phaeostoma mildredae
                                     Prieurea
                                     Pseudolopezia
                                             Pseudolopezia longiflora
                                     Raimannia
                                             Raimannia curtissii
                                     Salpingia
                                     Schizocarya
                                     Semeiandra
                                             Semeiandra grandiflora
                                     Sphaerostigma
                                             Sphaerostigma bistortum
                                             Sphaerostigma campestre
                                               Sphaerostigma campestre var. parishii
                                             Sphaerostigma chamaenerioides
                                             Sphaerostigma contortum
                                             Sphaerostigma hallii
                                             Sphaerostigma hirtellum
                                             Sphaerostigma micranthum
                                             Sphaerostigma minor
                                             Sphaerostigma nitidum
                                             Sphaerostigma orthocarpum
                                             Sphaerostigma pallidum
                                             Sphaerostigma pterospermum
                                             Sphaerostigma spirale
                                             Sphaerostigma tortum
                                               Sphaerostigma tortum var. eastwoodae
                                             Sphaerostigma tortuosum
                                             Sphaerostigma utahense
                                             Sphaerostigma veitchianum
                                             Sphaerostigma viridescens
                                     Stenosiphon
                                             Stenosiphon linifolius
                                                   [Stenosiphon virgatus]
                                     Taraxia
                                             Taraxia breviflora
                                             Taraxia heterantha
                                             Taraxia longiflora
                                             Taraxia subacaulis
                                                   [Camissonia subacaulis]
                                             Taraxia tanacetifolia
                                                   [Camissonia tanacetifolia subsp. quadriperforata]
                                                   [Camissonia tanacetifolia subsp. tanacetifolia]
                                                   [Camissonia tanacetifolia]
                                     Tetrapteron
                                             Tetrapteron graciliflorum
                                                   [Oenothera maritima]
                                             Tetrapteron palmeri
                                                   [Camissonia palmeri]
                                                   [Oenothera palmeri]
                                     Xylonagra
                                             Xylonagra arborea
                                                   [Oenothera arborea]
                                               Xylonagra arborea subsp. arborea
                                               Xylonagra arborea subsp. wigginsii
                                     Xylopleurum
                                             Xylopleurum hirsutum
                                     Zauschneria
                                             Zauschneria argentea
                                             Zauschneria crassifolia
                                             Zauschneria eastwoodae
                                             Zauschneria elegans
                                             Zauschneria septentrionalis
                                             Zauschneria velutina
                                             Zauschneria villosa

Problematic Rooting (215236)
                                               Epilobium molle var. sabulonense

Problematic Rooting (215325)
                                               Oenothera tubifera subsp. tubifera

Problematic Rooting (372)
                                               Camissonia claviformis subsp. funerea
                                                     [Camissonia claviformis var. funerea]
                                                     [Chylismia claviformis subsp. funerea]

Problematic Rooting (78120)
                                                   Circaea lutetiana f. cordifolia

Problematic Rooting (8509)
                                               Oenothera avita subsp. californica