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

Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 5, Wetland Indicator = OBL USDA Plants Database: Federal Distribution and detailed information including photos USGS - Northern Prairie Wildlife Research Center: Wetland Plants and Plant Communities of Minnesota and Wisconsin University of Wisconsin - Green Bay: Selected Wetland Plants: Photos, descriptions, information