Pisidium amnicum

Greater European peaclam

Collection Information for Pisidium amnicum

Results limited to All Great Lakes Drainages.
To see the collection list for the entire United States, click here.
 Results also available in (click to export table to spreadsheet)

(click table headers to sort)
Specimen IDStateCountyLocalityYearHUC NumberDrainage NameStatus
1709867WIDouglasSt. Louis River201604180000Lake Superior 
1709868MNSt. LouisSt. Louis River201604010201St. Louis 
1709869WIDouglasSt. Louis River201604010201St. Louis 
1709870WIDouglasSt. Louis River201804180000Lake Superior 
272377MNSt. LouisLake Superior, Duluth Harbor198504180000Lake Superiorestablished
279746MI Lake Huron, non-specific189904240002Lake Huronestablished
241467  Lake Erie199304260000Lake Erieestablished
241468  Lake Michigan199304190000Lake Michiganestablished
50212NYMonroeLake Ontario at mouth of Genessee River near Charlotte and Summerville, NY189704280002Lake Ontarioestablished
158497ON Lake Superior at Thunder Bay Harbor, Thunder Bay, Ontario200104180000Lake Superiorestablished
1724862ILCookChicago, Lake Michigan, South Shore Beach at South Shore Cultural Center, 6950 S201504190000Lake Michigan 
1724863ILCookChicago, Lake Michigan, South Shore Beach at South Shore Cultural Center, 6950 S201504190000Lake Michigan 

Citation for this information:
U.S. Geological Survey, 2026, Pisidium amnicum: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 6/7/2026