- Herbarium ID: NHIC
- Accession Number: MJO75613
- Scientific Name: Carex rupestris All.
- Family Name: Cyperaceae
- Location: Polar Bear Provincial Park, approx. 19 km S of Hudson Bay coast and 31 km SW of Cape Henrietta-Maria, Ont.
- District Located: Kenora
- Longitude/Latitude: 82.715W / 54.96194 N
- Habitat: Dry top of old beach ridge, locally common.
- Notes: With Dryas integrifolia, Rhododendron lapponicum, Empetrum nigrum, Vaccinium uliginosum, Carex glacialis.
- Collector: M.J. Oldham & D.A. Sutherland
- Collection Number: 25968
- Collection Date: 5-Jul-2001
- Determined by: M.J. Oldham
- Annotation by: [no data]