- Herbarium ID: SSMF
- Accession Number: 003558
- Scientific Name: Elodea canadensis Rich. ex Michx.
- Family Name: Hydrocharitaceae
- Location: E bank of Mississagi River, in Thompson Twp., Ontario., Ontario.
- District Located: Algoma
- Longitude/Latitude: 83.23333W / 46.23333 N
- Habitat: In 3-5 dm water over sandy bottom of river.
- Notes: Colony 1.5 sq. m. Originally identified as Hippuris vulgaris.
- Collector: S.T.B. Losee
- Collection Number: 2549
- Collection Date: 07/26/1970
- Determined by: C.E. Garton
- Annotation by: J.L. Riley