Spirodela polyrrhiza (L.) Schleid.
Koch, Rudy G. 13825
United States, Wisconsin, Crawford, Mississippi River at the Lynxville boat landing area
T09N R06W sec12
Floating on water near bank, with 4-10 cm deep mat washed ashore.
Dense mat floating on water near bank, with 4-10 cm deep mat washed ashore, with some Lemna minor.
Record Id: 090cb703-dfd5-49e0-93ae-e9afefd141e8
Occurrence ID (GUID):