:

:
Plant
  habit
   trees
   shrubs
   vines / lianas
   herbaceous
   grass-like
   ferns & allies
   aquatic & OBL wetland species
  special groups
   composites
   legumes
   milkweeds
   spurges
   dicots
   monocots
  longevity
   annual or biennial
   perennial
  armature
   unarmed
   armed
  sap
   latex absent (sap clear)
   latex present
  leaves/twigs aromatic when crushed
   without marked odor
   clearly odiferous
  reproductive mode
   produces flowers, fruits, seeds
   produces spores
Leaves
  arrangement/phyllotaxy
   basal
   alternate
   opposite
   whorled
   fascicled/clustered along stem
  blade division
   all simple
   deeply lobed or divided
   some or all fully compound
  leaf (blade) presence
   leaf blades present
   no leaves apparent
Flower
  principal flower color
   white or cream
   purple
   blue
   green
   yellow
   orange
   red
   pink
   brown
   inconspicuous
  flower type
   daisy- or dandelion-like
   bilateral/irregular symmetry
   radial symmetry 3 petals
   radial symmetry 4 petals
   radial symmetry 5 petals
   radial sym. 6 or more petals
   petals indistinguishable
  ovaries/pistils per flower
   1
   2-5
   more than 5
Fruit or Cone
  fruit consistency at maturity
   dry/leathery
   fleshy

PSC 5550/6550 All Weeds

Corey V. Ransom and Heather Elwood
Species Count: 99

Amaranthaceae

Anacardiaceae

Apiaceae

Apocynaceae

Asteraceae

Boraginaceae

Brassicaceae

Caprifoliaceae

Caryophyllaceae

Convolvulaceae

Elaeagnaceae

Equisetaceae

Euphorbiaceae

Fabaceae

Geraniaceae

Hypericaceae

Lythraceae

Malvaceae

Onagraceae

Oxalidaceae

Plantaginaceae

Poaceae

Polygonaceae

Ranunculaceae

Rosaceae

Rubiaceae

Scrophulariaceae

Solanaceae

Tamaricaceae

Typhaceae

Ulmaceae

Urticaceae

Zygophyllaceae