Ulva (Enteromorpha) flexuosa subsp. flexuosa and flexuosa subsp. paradoxa

Green alga, grass kelp

Collection Information for Ulva (Enteromorpha) flexuosa subsp. flexuosa and flexuosa subsp. paradoxa

Results limited to HUC #04050002.
To see the collection list for the entire Great Lakes region, click here.
 Results also available in (click to export table to spreadsheet)

(click table headers to sort)
Specimen IDStateCountyLocalityYearHUC NumberDrainage NameStatus
1712264MIOttawaPigeon Lake202104050002Black-Macatawaestablished
1712265MIOttawaPigeon Lake202104050002Black-Macatawaestablished
1712266MIOttawaPigeon River202104050002Black-Macatawaestablished
1712267MIOttawaPigeon River202104050002Black-Macatawaestablished

Citation for this information:
U.S. Geological Survey, 2026, Ulva (Enteromorpha) flexuosa subsp. flexuosa and flexuosa subsp. paradoxa: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 2/22/2026