:

:
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
   orchids
   spurges
   dicots
   monocots
  longevity
   annual or biennial
   perennial
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
  ovaries/pistils per flower
   1
   2-5
   more than 5
Fruit or Cone
  fruit consistency at maturity
   dry/leathery
   fleshy

Flora of the National Park Service, Intermountain Region

NPS
Species Count: 4748

Acanthaceae

Aizoaceae

Alismataceae

Amaranthaceae

Amaryllidaceae

Anacampserotaceae

Anacardiaceae

Apiaceae

Apocynaceae

Apodanthaceae

Aquifoliaceae

Araceae

Araliaceae

Arecaceae

Aristolochiaceae

Asparagaceae

Asphodelaceae

Aspleniaceae

Asteraceae

Athyriaceae

Aytoniaceae

Berberidaceae

Betulaceae

Bignoniaceae

Bixaceae

Blechnaceae

Boraginaceae

Brassicaceae

Bromeliaceae

Burseraceae

Buxaceae

Cactaceae

Campanulaceae

Cannabaceae

Capparaceae

Caprifoliaceae

Caryophyllaceae

Celastraceae

Ceratophyllaceae

Cistaceae

Cleomaceae

Colchicaceae

Commelinaceae

Convolvulaceae

Cornaceae

Crassulaceae

Crossosomataceae

Cucurbitaceae

Cupressaceae

Cyperaceae

Cystopteridaceae

Dennstaedtiaceae

Dicranaceae

Dryopteridaceae

Ebenaceae

Elaeagnaceae

Elatinaceae

Ephedraceae

Equisetaceae

Ericaceae

Euphorbiaceae

Fabaceae

Fagaceae

Fouquieriaceae

Frankeniaceae

Garryaceae

Gentianaceae

Geraniaceae

Grossulariaceae

Haloragaceae

Hydrangeaceae

Hydrocharitaceae

Hypericaceae

Iridaceae

Juglandaceae

Juncaceae

Juncaginaceae

Koeberliniaceae

Krameriaceae

Lamiaceae

Lentibulariaceae

Liliaceae

Linaceae

Linderniaceae

Loasaceae

Lycopodiaceae

Lythraceae

Magnoliaceae

Malpighiaceae

Malvaceae

Marsileaceae

Martyniaceae

Melanthiaceae

Meliaceae

Menispermaceae

Molluginaceae

Montiaceae

Moraceae

Nemacladaceae

Nitrariaceae

Nyctaginaceae

Nymphaeaceae

Oleaceae

Onagraceae

Ophioglossaceae

Orchidaceae

Orobanchaceae

Oxalidaceae

Papaveraceae

Passifloraceae

Phrymaceae

Phyllanthaceae

Phytolaccaceae

Pinaceae

Plantaginaceae

Platanaceae

Plumbaginaceae

Poaceae

Podocarpaceae

Polemoniaceae

Polygalaceae

Polygonaceae

Polypodiaceae

Pontederiaceae

Portulacaceae

Potamogetonaceae

Primulaceae

Psilotaceae

Pteridaceae

Ranunculaceae

Resedaceae

Rhamnaceae

Rosaceae

Rubiaceae

Ruppiaceae

Rutaceae

Salicaceae

Santalaceae

Sapindaceae

Sapotaceae

Sarcobataceae

Saururaceae

Saxifragaceae

Scrophulariaceae

Selaginellaceae

Simaroubaceae

Simmondsiaceae

Smilacaceae

Solanaceae

Talinaceae

Tamaricaceae

Typhaceae

Ulmaceae

Urticaceae

Verbenaceae

Viburnaceae

Violaceae

Vitaceae

Woodsiaceae

Zygophyllaceae