Butomus umbellatus

Flowering rush

Collection Information for Butomus umbellatus

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
1886861ONT [No locality description provided]201804010101Baptism-Brule 
1887453ONT [No locality description provided]200004010101Baptism-Brule 
1889948ONT [No locality description provided]202504090002Lake St. Clair 
1891486ONT [No locality description provided]202504090002Lake St. Clair 
1891169ONT [No locality description provided]202504090007Lower Thames River 
1891582ONT [No locality description provided]202504090007Lower Thames River 
1892145ONT [No locality description provided]202504090007Lower Thames River 
1887452ONT [No locality description provided]200004160001Dog River-Frontal Lake Superior 
1749560ONT [No locality description provided]202104200002St. Marys 
1887297ONT [No locality description provided]202204200002St. Marys 
1887562ONT [No locality description provided]202304200002St. Marys 
1888263ONT [No locality description provided]202404200002St. Marys 
1890380ONT [No locality description provided]202504200002St. Marys 
1890805ONT [No locality description provided]202504200002St. Marys 
1890752ONT [No locality description provided]202504220003Severn River-Lake Simcoe 
1749031ONT [No locality description provided]202204250001Cedar Creek-Frontal Lake Erie 
1890307ONT [No locality description provided]202504250001Cedar Creek-Frontal Lake Erie 
1890373ONT [No locality description provided]202504250001Cedar Creek-Frontal Lake Erie 
1890315ONT [No locality description provided]202504250002Talbot Creek-Frontal Lake Erie 
1890636ONT [No locality description provided]202504250003Big Creek-Frontal Lake Erie 
1889735ONT [No locality description provided]202504250004Upper Grand River 
1890423ONT [No locality description provided]202504250004Upper Grand River 
1891099ONT [No locality description provided]202504250005Lower Grand River 
1891527ONT [No locality description provided]202504250005Lower Grand River 
1889987ONT [No locality description provided]202504270101Niagara River 
1891070ONT [No locality description provided]202504270103Sixteen Mile Creek-Frontal Lake Ontario 
1891422ONT [No locality description provided]202504270103Sixteen Mile Creek-Frontal Lake Ontario 
1891453ONT [No locality description provided]202504270103Sixteen Mile Creek-Frontal Lake Ontario 
1892132ONT [No locality description provided]202504270103Sixteen Mile Creek-Frontal Lake Ontario 
1892161ONT [No locality description provided]202504270103Sixteen Mile Creek-Frontal Lake Ontario 
1892302ONT [No locality description provided]202504270103Sixteen Mile Creek-Frontal Lake Ontario 
1892574ONT [No locality description provided]202504270103Sixteen Mile Creek-Frontal Lake Ontario 
1892596ONT [No locality description provided]202504270103Sixteen Mile Creek-Frontal Lake Ontario 
1748709ONT [No locality description provided]202204270105Ganaraska River-Frontal Lake Ontario 
1748731ONT [No locality description provided]202204280001Prince Edward County-Frontal Lake Ontario 
1889991ONT [No locality description provided]202504270105Ganaraska River-Frontal Lake Ontario 
1890609ONT [No locality description provided]202504280002Lake Ontario 
1890808ONT [No locality description provided]202504280002Lake Ontario 
1891151ONT [No locality description provided]202504270105Ganaraska River-Frontal Lake Ontario 
1891305ONT [No locality description provided]202504280002Lake Ontario 
1891378ONT [No locality description provided]202504270105Ganaraska River-Frontal Lake Ontario 
1891479ONT [No locality description provided]202504280001Prince Edward County-Frontal Lake Ontario 
1891589ONT [No locality description provided]202504280002Lake Ontario 
1891818ONT [No locality description provided]202504280002Lake Ontario 
1892098ONT [No locality description provided]202504280002Lake Ontario 
1892131ONT [No locality description provided]202504280002Lake Ontario 
1892136ONT [No locality description provided]202504280002Lake Ontario 
1892670ONT [No locality description provided]202504270103Sixteen Mile Creek-Frontal Lake Ontario 
1892671ONT [No locality description provided]202504270103Sixteen Mile Creek-Frontal Lake Ontario 
1892736ONT [No locality description provided]202504280002Lake Ontario 

Citation for this information:
U.S. Geological Survey, 2025, Butomus umbellatus: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 12/17/2025