Key

Taxon:
Display:
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/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
  ovaries/pistils per flower
   1
   2-5
   more than 5
Fruit or Cone
  fruit consistency at maturity
   dry/leathery
   fleshy

Beltsville Agricultural Research Center (BARC)

John Hall (2018)
Species Count: 780

Alismataceae

Altingiaceae

Amaranthaceae

Amaryllidaceae

Anacardiaceae

Apiaceae

Apocynaceae

Aquifoliaceae

Araceae

Araliaceae

Asparagaceae

Aspleniaceae

Asteraceae

Athyriaceae

Balsaminaceae

Berberidaceae

Betulaceae

Bignoniaceae

Blechnaceae

Boraginaceae

Brassicaceae

Buxaceae

Cabombaceae

Campanulaceae

Cannabaceae

Caprifoliaceae

Caryophyllaceae

Celastraceae

Cistaceae

Clethraceae

Colchicaceae

Commelinaceae

Convolvulaceae

Cornaceae

Cucurbitaceae

Cupressaceae

Cyperaceae

Dennstaedtiaceae

Dioscoreaceae

Dryopteridaceae

Ebenaceae

Elaeagnaceae

Equisetaceae

Ericaceae

Euphorbiaceae

Fabaceae

Fagaceae

Gentianaceae

Geraniaceae

Grossulariaceae

Haloragaceae

Hydrocharitaceae

Hypericaceae

Hypoxidaceae

Iridaceae

Juglandaceae

Juncaceae

Lamiaceae

Lauraceae

Lentibulariaceae

Liliaceae

Linaceae

Lycopodiaceae

Magnoliaceae

Malvaceae

Melanthiaceae

Melastomataceae

Molluginaceae

Montiaceae

Moraceae

Nymphaeaceae

Nyssaceae

Oleaceae

Onagraceae

Onocleaceae

Ophioglossaceae

Orchidaceae

Osmundaceae

Oxalidaceae

Papaveraceae

Paulowniaceae

Penthoraceae

Phrymaceae

Phyllanthaceae

Phytolaccaceae

Pinaceae

Plantaginaceae

Platanaceae

Poaceae

Polemoniaceae

Polygalaceae

Polygonaceae

Pontederiaceae

Portulacaceae

Potamogetonaceae

Primulaceae

Ranunculaceae

Rhamnaceae

Ricciaceae

Rosaceae

Rubiaceae

Salicaceae

Sapindaceae

Scrophulariaceae

Selaginellaceae

Simaroubaceae

Smilacaceae

Solanaceae

Taxaceae

Thelypteridaceae

Typhaceae

Ulmaceae

Urticaceae

Verbenaceae

Viburnaceae

Violaceae

Vitaceae

Xyridaceae