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Plant
habit
trees
shrubs
vines / lianas
herbaceous
grass-like
ferns & allies
cactus-like / succulents
aquatic & OBL wetland species
special groups
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
Richard Worthington, Joe Sirotnak, et al. and NPS staff
Species Count: 1198
Acanthaceae
Adoxaceae
Aizoaceae
Alismataceae
Amaranthaceae
Amaryllidaceae
Anacampserotaceae
Anacardiaceae
Apiaceae
Apocynaceae
Apodanthaceae
Arecaceae
Aristolochiaceae
Asparagaceae
Aspleniaceae
Asteraceae
Berberidaceae
Betulaceae
Bignoniaceae
Boraginaceae
Brassicaceae
Bromeliaceae
Cactaceae
Campanulaceae
Cannabaceae
Caprifoliaceae
Caryophyllaceae
Celastraceae
Cistaceae
Cleomaceae
Commelinaceae
Convolvulaceae
Crassulaceae
Crossosomataceae
Cucurbitaceae
Cupressaceae
Cyperaceae
Dennstaedtiaceae
Dryopteridaceae
Ebenaceae
Ephedraceae
Equisetaceae
Ericaceae
Euphorbiaceae
Fabaceae
Fagaceae
Fouquieriaceae
Garryaceae
Gentianaceae
Geraniaceae
Grossulariaceae
Hydrangeaceae
Hydrocharitaceae
Juglandaceae
Juncaceae
Koeberliniaceae
Krameriaceae
Lamiaceae
Linaceae
Loasaceae
Lythraceae
Malpighiaceae
Malvaceae
Martyniaceae
Menispermaceae
Montiaceae
Moraceae
Nitrariaceae
Nyctaginaceae
Oleaceae
Onagraceae
Orchidaceae
Orobanchaceae
Oxalidaceae
Papaveraceae
Passifloraceae
Phrymaceae
Phyllanthaceae
Phytolaccaceae
Pinaceae
Plantaginaceae
Poaceae
Polemoniaceae
Polygalaceae
Polygonaceae
Polypodiaceae
Portulacaceae
Potamogetonaceae
Primulaceae
Pteridaceae
Ranunculaceae
Resedaceae
Rhamnaceae
Rosaceae
Rubiaceae
Rutaceae
Salicaceae
Santalaceae
Sapindaceae
Sapotaceae
Saxifragaceae
Scrophulariaceae
Selaginellaceae
Simaroubaceae
Solanaceae
Tamaricaceae
Thelypteridaceae
Typhaceae
Ulmaceae
Urticaceae
Verbenaceae
Violaceae
Vitaceae
Woodsiaceae
Zygophyllaceae