blunt-leaf waterleaf
- kingdom: Plantae
- phylum: Tracheophyta
- class: Magnoliopsida
- order: Boraginales
- family: Hydrophyllaceae
- genus: Hydrophyllum
- species: Hydrophyllum canadense
Sarnia- Willowdale
Ontario
Canada
Göteborg
Västra Götaland
Sweden
Brookmont- Cabin John
Maryland- Flint
- Lansing
- Port Huron
- Ypsilanti
Michigan- Borough of Bronx
New York
United States