Iris pseudacorus

Yellow iris

Collection Information for Iris pseudacorus

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
1890240ONT [No locality description provided]202504200002St. Marys 
1892102ONT [No locality description provided]202504200002St. Marys 
1890836ONT [No locality description provided]202504200007Vermillion River 
1890511ONT [No locality description provided]202504220002Lake Muskoka-Frontal Lake Huron 
1890266ONT [No locality description provided]202504220004Nottawasaga River-Frontal Lake Huron 
1890267ONT [No locality description provided]202504220004Nottawasaga River-Frontal Lake Huron 
1749534ONT [No locality description provided]202204240002Lake Huron 
1890254ONT [No locality description provided]202504250004Upper Grand River 
1890628ONT [No locality description provided]202504250004Upper Grand River 
1892408ONT [No locality description provided]202504250005Lower Grand River 
1892858ONT [No locality description provided]202504270103Sixteen Mile Creek-Frontal Lake Ontario 
1892817ONT [No locality description provided]202504270104Humber River-Frontal Lake Ontario 
1889988ONT [No locality description provided]202504270203Kawartha Lakes 
1890420ONT [No locality description provided]202504280001Prince Edward County-Frontal Lake Ontario 

Citation for this information:
U.S. Geological Survey, 2026, Iris pseudacorus: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 2/21/2026