- Herbarium ID: NHIC
- Accession Number: MJO75386
- Scientific Name: Arnica angustifolia Vahl
- Family Name: Asteraceae
- Location: Polar Bear Provincial Park, Kinushseo River, approx. 10 km SSE of mouth at Hudson Bay, Ont.
- District Located: Kenora
- Longitude/Latitude: 83.53417W / 55.11806 N
- Habitat: Gravel bar along river.
- Notes: Rare, flowering (sub. A. chamissonis det. MJO).
- Collector: M.J. Oldham & D.A. Sutherland
- Collection Number: 25900
- Collection Date: 4-Jul-2001
- Determined by: P.W. Ball June 24.
- Annotation by: [no data]