- Herbarium ID: NHIC
- Accession Number: MJO77082
- Scientific Name: Carex heleonastes L.f.
- Family Name: Cyperaceae
- Location: Approx. 2.5 km S of Hudson Bay coast, 5 km E of Beavertrap Creek mouth, and 33 km ESE of Fort Severn, Ont.
- District Located: Kenora
- Longitude/Latitude: 87.13472W / 55.90889 N
- Habitat: Hummocks in peaty wetland, near low sparsely wooded beach ridge near shore;
- Notes: Rare.
- Collector: M.J. Oldham & D.A. Sutherland
- Collection Number: 26545
- Collection Date: 14-Jul-2001
- Determined by: A.A. Reznicek Feb. 24 (sub. C. marina det. M. ...
- Annotation by: [no data]