- Herbarium ID: NHIC
- Accession Number: MJO75685
- Scientific Name: Carex rupestris All.
- Family Name: Cyperaceae
- Location: Polar Bear Provincial Park, Brant River fuel cache, approx. 2 km E of Brant River and 11 km S of coast of Hudson Bay, Ont.
- District Located: Kenora
- Longitude/Latitude: 82.8625W / 55.04389 N
- Habitat: Beach ridge.
- Notes: With Dryas integrifolia, Carex glacialis, Vaccinium uliginosum, Carex scirpoidea.
- Collector: M.J. Oldham & D.A. Sutherland
- Collection Number: 25992
- Collection Date: 5-Jul-2001
- Determined by: M.J. Oldham
- Annotation by: [no data]