Etymology: Lemna: from Greek limnos, "lake or swamp," referring to its aquatic habitat
Plants: floating perennial aquatic, fronds can stay hooked together forming large mass; stems none; 1 root per frond
Leaves: oar-shaped, flat with long stalk, 3 faint nerves, olive green
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 = 6, 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 USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc.