Wolffia Horkel ex Schleiden. Watermeal, Mud-mary, Rootless-duckweed.
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.
Hover over a shape, letter, icon, or arrow on the map to see what it means. Data for arrows not developed for genera and families which may have species only occurring outside the flora area.
© chiuluan, some rights reserved (CC BY), uploaded by chiuluan | Wolffia globosa source | Original Image ⭷
© Erik Danielson | 
© Dan MacNeal, some rights reserved (CC BY), uploaded by Dan MacNeal | Wolffia borealis source | Original Image ⭷