Wolffia columbiana H.Karst.
Family: Araceae
common water-meal
[Bruniera columbiana (H.Karst.) Nieuwl.]
Wolffia columbiana image
Linda Ellis  
Etymology: Wolffia: after Johann Friedric Wolff (1778-1806), German botanist and physician
Plants: floating perennial aquatic; stems none; no roots
Leaves: pale green, non-symmetric globes (not true leaves); rounded upper surface, no dots or marks
Habitat: wet; water
Conservation Status: Native
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