Taxon:Wolffia columbiana H. Karst. Family: Araceae
Collector:
Balliett, Alan s.n.
Date: 1976-09-05
Verbatim Date: 1976-9-5
Locality:
United States, Wisconsin, Monroe, Lake Tomah. From the S section of the lake
Verbatim Coordinates:
T17N 18N R01W 01W sec05 32
Habitat:
Highly eutrophic lake. Plant collected in 30-100 cm of water. The lake bottom is composed of a layer of silt, marl, and decomposed organic matter ranging from 30-200 cm in depth, overlying fine to medium textured sand.