- Herbarium ID: NHIC
- Accession Number: MJO76409
- Scientific Name: Carex rupestris All.
- Family Name: Cyperaceae
- Location: Polar Bear Provincial Park, Radar Site 418, approx. 30 km S of Hudson Bay coast and 52 km SW of Cape Henrietta-Maria, Ont.
- District Located: Kenora
- Longitude/Latitude: 82.97944W / 54.8775 N
- Habitat: Beach ridge.
- Notes: With Dryas integrifolia and Vaccinium uliginosum.
- Collector: M.J. Oldham & D.A. Sutherland
- Collection Number: 26159
- Collection Date: 8-Jul-2001
- Determined by: M.J. Oldham
- Annotation by: [no data]