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Vascular plant groups
Club mosses
Ferns
Vegetative key to families
Gymnosperms
Flowering plants
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Families
Lemna L. >
Roots never more than 1 on each
cladode
Lemna
consider the other alternative
Floating on the surface. Cladodes thick, opaque, broad-
ovate
to elliptic, 1–4 mm long, stalkless. In still water. Widespread but uncommon in the area. Fl. summer
Lemna disperma