Etymology: Lemna: from Greek limnos, "lake or swamp," referring to its aquatic habitat
Plants: floating perennial aquatic, colonies; stems none; 1 root below each leaf (frond)
Leaves: round to oval with 3 faint nerves
Fruits: winter buds from fronds that sink
Habitat: wet; bays, ponds
Conservation Status: Native

Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 4, Wetland Indicator = OBL USDA Plants Database: Federal Distribution and detailed information including photos University of Wisconsin - Green Bay: Wetland Plants: Photos, descriptions, information USGS - Northern Prairie Wildlife Research Center: Wetland Plants and Plant Communities of Minnesota and Wisconsin David G. Smith's "Delaware Wilflowers": Beautiful photographs; descriptions