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Wolffia Horkel ex Schleiden. Watermeal, Mud-mary, Rootless-duckweed.

Key to Wolffia

A genus of 11 species, cosmopolitan. Infrageneric classification follows Les et al. (2022).

Ref: Landolt (1980); Landolt (1986); Landolt (2000) In Flora of North America Editorial Committee (2000); Landolt In Kubitzki (1998b); Les et al. (2002); Spaulding et al. (2019). Show full citations.

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image of plant© chiuluan, some rights reserved (CC BY), uploaded by chiuluan | Wolffia globosa source | Original Image ⭷
image of plant© Dan MacNeal, some rights reserved (CC BY), uploaded by Dan MacNeal | Wolffia borealis source | Original Image ⭷
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