Locality:
United States, Wisconsin, Dodge, Horican Marsh Wildlife Area
43.46594046 -88.63252719
Verbatim Coordinates:
T12N R16E sec31
Habitat:
In a new impoundment in marsh. Growing with several others and with Riccia in 1.5 ft. of water. Site well exposed in a typical organic rich marsh and its sediments. Little or no water flow.