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Keys
  • Vascular plant groups
  • Club mosses
  • Ferns
  • Vegetative key to families
  • Gymnosperms
  • Flowering plants
  • Genera
  • Families

Vegetative key to the families

Vegetative Key Vegetative key to the families
consider the other alternative
FREE FLOATING WATER PLANTS; roots, when present, not rooted in the mud. (Note: there are 2 genera of ferns which are free floating, see Azolla and Salvinia)
consider the other alternative
Whole plant not exceeding 5 mm long Lemnaceae
choose this alternativereject this alternative
Roots absent Wolffia
choose this alternativereject this alternative
Roots present on the undersurface