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Plant
habit
trees
shrubs
vines / lianas
herbaceous
ferns & allies
grass-like
cactus-like / succulents
aquatic & OBL wetland species
special groups
arums
composites
legumes
milkweeds
mints
orchids
spurges
dicots
monocots
longevity
annual or biennial
perennial
armature
unarmed
armed
Leaves
arrangement/phyllotaxy
basal
alternate
opposite
whorled
fascicled/clustered along stem
Flower
ovaries/pistils per flower
1
2-5
more than 5
Fruit or Cone
fruit consistency at maturity
dry/leathery
fleshy
USDA Plants Database
Species Count: 3075
Acanthaceae
Acoraceae
Adoxaceae
Aizoaceae
Alismataceae
Altingiaceae
Amaranthaceae
Amaryllidaceae
Anacardiaceae
Annonaceae
Apiaceae
Apocynaceae
Aquifoliaceae
Araceae
Araliaceae
Arecaceae
Aristolochiaceae
Asparagaceae
Asphodelaceae
Aspleniaceae
Asteraceae
Athyriaceae
Balsaminaceae
Berberidaceae
Betulaceae
Bignoniaceae
Boraginaceae
Brassicaceae
Burmanniaceae
Cabombaceae
Cactaceae
Calceolariaceae
Campanulaceae
Cannabaceae
Caprifoliaceae
Caryophyllaceae
Celastraceae
Ceratophyllaceae
Cistaceae
Cladoniaceae
Cleomaceae
Colchicaceae
Commelinaceae
Convolvulaceae
Cornaceae
Crassulaceae
Crossosomataceae
Cucurbitaceae
Cupressaceae
Cyperaceae
Cyrillaceae
Cystopteridaceae
Dennstaedtiaceae
Dioscoreaceae
Droseraceae
Dryopteridaceae
Ebenaceae
Elaeagnaceae
Elatinaceae
Ephedraceae
Equisetaceae
Ericaceae
Eriocaulaceae
Erpodiaceae
Euphorbiaceae
Fabaceae
Fagaceae
Gentianaceae
Geraniaceae
Grimmiaceae
Grossulariaceae
Haloragaceae
Hamamelidaceae
Hydrangeaceae
Hydrocharitaceae
Hydroleaceae
Hypericaceae
Hypoxidaceae
Iridaceae
Isoetaceae
Juglandaceae
Juncaceae
Juncaginaceae
Krameriaceae
Lamiaceae
Lauraceae
Lentibulariaceae
Liliaceae
Linaceae
Linderniaceae
Loasaceae
Loganiaceae
Lycopodiaceae
Lythraceae
Magnoliaceae
Malvaceae
Marantaceae
Marsileaceae
Martyniaceae
Melanthiaceae
Melastomataceae
Meliaceae
Menispermaceae
Menyanthaceae
Molluginaceae
Montiaceae
Moraceae
Myricaceae
Nartheciaceae
Nelumbonaceae
Nyctaginaceae
Nymphaeaceae
Oleaceae
Onagraceae
Onocleaceae
Ophioglossaceae
Orchidaceae
Orobanchaceae
Osmundaceae
Oxalidaceae
Papaveraceae
Passifloraceae
Paulowniaceae
Penthoraceae
Phrymaceae
Phyllanthaceae
Phytolaccaceae
Pinaceae
Plantaginaceae
Platanaceae
Plumbaginaceae
Poaceae
Podostemaceae
Polemoniaceae
Polygalaceae
Polygonaceae
Polypodiaceae
Pontederiaceae
Portulacaceae
Potamogetonaceae
Pottiaceae
Primulaceae
Pteridaceae
Ranunculaceae
Rhamnaceae
Rosaceae
Rubiaceae
Ruppiaceae
Rutaceae
Salicaceae
Salviniaceae
Santalaceae
Sapindaceae
Sapotaceae
Saururaceae
Saxifragaceae
Scrophulariaceae
Selaginellaceae
Simaroubaceae
Smilacaceae
Solanaceae
Sphenocleaceae
Splachnobryaceae
Staphyleaceae
Styracaceae
Symplocaceae
Tamaricaceae
Tetrachondraceae
Thelypteridaceae
Thymelaeaceae
Typhaceae
Ulmaceae
Urticaceae
Verbenaceae
Violaceae
Vitaceae
Woodsiaceae
Xyridaceae
Zygophyllaceae