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Plant
habit
trees
shrubs
vines / lianas
herbaceous
grass-like
ferns & allies
cactus-like / succulents
aquatic & OBL wetland species
special groups
arums
composites
legumes
milkweeds
mints
spurges
dicots
monocots
longevity
annual or biennial
perennial
armature
unarmed
armed
sap
latex absent (sap clear)
latex present
reproductive mode
produces flowers, fruits, seeds
produces spores
leaves/twigs aromatic when crushed
without marked odor
clearly odiferous
Leaves
arrangement/phyllotaxy
basal
alternate
opposite
whorled
fascicled/clustered along stem
blade division
all simple
deeply lobed or divided
some or all fully compound
Flower
principal flower color
white or cream
purple
blue
green
yellow
orange
red
pink
brown
inconspicuous
ovaries/pistils per flower
1
2-5
more than 5
Fruit or Cone
fruit consistency at maturity
dry/leathery
fleshy
Sand Creek Massacre National Historic Site
NPS-SOPN
Species Count: 264
Amaranthaceae
Amaranthus albus
Amaranthus blitoides
Amaranthus palmeri
Amaranthus retroflexus
Bassia scoparia
Chenopodiastrum simplex
Chenopodium album
Chenopodium incanum
Chenopodium leptophyllum
Chenopodium subglabrum
Chenopodium watsonii
Salsola tragus
Amaryllidaceae
Allium geyeri
Anacardiaceae
Toxicodendron rydbergii
Apocynaceae
Apocynum cannabinum
Asclepias asperula
Asclepias engelmanniana
Asclepias latifolia
Asclepias pumila
Asclepias speciosa
Asclepias subverticillata
Asclepias viridiflora
Araceae
Spirodela polyrrhiza
Asparagaceae
Yucca glauca
Asteraceae
Ambrosia acanthicarpa
Ambrosia psilostachya
Artemisia carruthii
Artemisia dracunculus
Artemisia filifolia
Artemisia frigida
Artemisia ludoviciana
Brickellia eupatorioides
Chaetopappa ericoides
Chrysothamnus viscidiflorus
Cirsium ochrocentrum
Cirsium undulatum
Conyza canadensis
Cyclachaena xanthiifolia
Dieteria canescens
Dyssodia papposa
Engelmannia peristenia
Ericameria nauseosa
Erigeron bellidiastrum
Erigeron compositus
Erigeron glabellus
Erigeron modestus
Gaillardia pinnatifida
Gaillardia pulchella
Grindelia squarrosa
Gutierrezia sarothrae
Helianthus annuus
Helianthus petiolaris
Heterotheca villosa
Hymenopappus filifolius
Hymenopappus tenuifolius
Iva axillaris
Lactuca serriola
Liatris punctata
Lygodesmia juncea
Machaeranthera tanacetifolia
Oonopsis engelmannii
Packera neomexicana
Packera plattensis
Packera tridenticulata
Palafoxia sphacelata
Ratibida columnifera
Ratibida tagetes
Rayjacksonia annua
Rayjacksonia phyllocephala
Senecio integerrimus
Senecio spartioides
Solidago gigantea
Symphyotrichum ericoides
Symphyotrichum falcatum
Thelesperma megapotamicum
Tragopogon dubius
Xanthisma spinulosum
Xanthium strumarium
Boraginaceae
Buglossoides arvensis
Greeneocharis circumscissa
Lappula occidentalis
Lithospermum incisum
Brassicaceae
Descurainia pinnata
Erysimum capitatum
Lepidium densiflorum
Cactaceae
Echinocereus viridiflorus
Opuntia fragilis
Opuntia phaeacantha
Opuntia polyacantha
Cleomaceae
Polanisia dodecandra
Commelinaceae
Tradescantia occidentalis
Convolvulaceae
Convolvulus arvensis
Evolvulus nuttallianus
Ipomoea leptophylla
Cucurbitaceae
Cucurbita foetidissima
Cyperaceae
Bolboschoenus maritimus
Carex albolutescens
Carex filifolia
Carex hyalina
Carex inops
Carex nebrascensis
Carex parryana
Carex praegracilis
Cyperus schweinitzii
Eleocharis palustris
Schoenoplectus acutus
Schoenoplectus americanus
Schoenoplectus pungens
Schoenoplectus tabernaemontani
Equisetaceae
Equisetum hyemale
Euphorbiaceae
Chamaesyce missurica
Croton texensis
Euphorbia dentata
Euphorbia glyptosperma
Euphorbia marginata
Euphorbia serpens
Euphorbia serpillifolia
Fabaceae
Astragalus bisulcatus
Astragalus canadensis
Astragalus ceramicus
Astragalus crassicarpus
Astragalus gracilis
Astragalus lonchocarpus
Astragalus lotiflorus
Astragalus miser
Astragalus missouriensis
Astragalus mollissimus
Astragalus pectinatus
Astragalus praelongus
Astragalus purshii
Astragalus racemosus
Dalea aurea
Dalea candida
Dalea cylindriceps
Dalea enneandra
Dalea nana
Dalea purpurea
Dalea villosa
Glycyrrhiza lepidota
Ladeania lanceolata
Lupinus pusillus
Medicago sativa
Melilotus albus
Melilotus officinalis
Oxytropis campestris
Oxytropis sericea
Pediomelum argophyllum
Pediomelum digitatum
Pediomelum hypogaeum
Pediomelum tenuiflorum
Pomaria jamesii
Sophora nuttalliana
Strophostyles leiosperma
Juncaceae
Juncus arcticus
Juncus effusus
Juncus marginatus
Lamiaceae
Salvia reflexa
Linaceae
Linum puberulum
Linum rigidum
Loasaceae
Mentzelia decapetala
Mentzelia nuda
Mentzelia reverchonii
Malvaceae
Callirhoe bushii
Callirhoe involucrata
Sphaeralcea coccinea
Montiaceae
Phemeranthus parviflorus
Nyctaginaceae
Abronia fragrans
Mirabilis albida
Mirabilis glabra
Mirabilis linearis
Mirabilis nyctaginea
Tripterocalyx micranthus
Onagraceae
Oenothera albicaulis
Oenothera coronopifolia
Oenothera curtiflora
Oenothera harringtonii
Oenothera latifolia
Oenothera serrulata
Oenothera suffrutescens
Orobanchaceae
Orobanche ludoviciana
Papaveraceae
Argemone polyanthemos
Plantaginaceae
Penstemon albidus
Plantago patagonica
Veronica arvensis
Veronica officinalis
Poaceae
Agropyron cristatum
Andropogon hallii
Aristida adscensionis
Aristida divaricata
Aristida oligantha
Aristida purpurea
Bothriochloa laguroides
Bouteloua curtipendula
Bouteloua dactyloides
Bouteloua gracilis
Bouteloua hirsuta
Bromus arvensis
Bromus japonicus
Bromus tectorum
Calamovilfa gigantea
Calamovilfa longifolia
Chloris verticillata
Distichlis spicata
Elymus canadensis
Elymus elymoides
Elymus repens
Elymus trachycaulus
Eragrostis cilianensis
Eragrostis trichodes
Eriocoma hymenoides
Hesperostipa comata
Hilaria jamesii
Hopia obtusa
Hordeum jubatum
Hordeum pusillum
Koeleria macrantha
Muhlenbergia arenicola
Muhlenbergia asperifolia
Muhlenbergia multiflora
Muhlenbergia pungens
Muhlenbergia torreyi
Munroa squarrosa
Panicum capillare
Panicum virgatum
Pascopyrum smithii
Paspalum setaceum
Poa arida
Poa pratensis
Polypogon monspeliensis
Schedonnardus paniculatus
Schizachyrium scoparium
Sorghastrum nutans
Spartina pectinata
Sporobolus airoides
Sporobolus compositus
Sporobolus cryptandrus
Vulpia octoflora
Polemoniaceae
Ipomopsis laxiflora
Ipomopsis longiflora
Polygonaceae
Eriogonum annuum
Polygonum douglasii
Polygonum ramosissimum
Rumex altissimus
Rumex crispus
Rumex venosus
Portulacaceae
Portulaca oleracea
Pteridaceae
Myriopteris gracilis
Ranunculaceae
Delphinium carolinianum
Rosaceae
Rosa arkansana
Salicaceae
Populus deltoides
Solanaceae
Physalis heterophylla
Physalis hispida
Physalis longifolia
Physalis pumila
Physalis virginiana
Quincula lobata
Solanum rostratum
Tamaricaceae
Tamarix chinensis
Typhaceae
Typha angustifolia
Typha latifolia
Verbenaceae
Phyla cuneifolia
Phyla lanceolata
Verbena bracteata
Zygophyllaceae
Tribulus terrestris