- Herbarium ID: NHIC
- Accession Number: MJO76458
- Scientific Name: Potentilla crantzii (Crantz) Beck ex Fritsch 1897, non Beck ex Lindm. 1918
- Family Name: Rosaceae
- Location: Polar Bear Provincial Park, approx. 18 km inland from James Bay coast and 43 km SW of Hook Pt., James Bay, Ont.
- District Located: Kenora
- Longitude/Latitude: 82.60833W / 54.55333 N
- Habitat: Beach ridge.
- Notes: Rare, flowering; new to Ontario.
- Collector: M.J. Oldham & D.A. Sutherland
- Collection Number: 26183
- Collection Date: 8-Jul-2001
- Determined by: M.J. Oldham
- Annotation by: A.A. Reznicek Feb. 24.