- Herbarium ID: NHIC
- Accession Number: MJO77091
- Scientific Name: Carex heleonastes L.f.
- Family Name: Cyperaceae
- Location: Polar Bear Provincial Park, W side Shagamu River, approx. 19 km inland from Hudson Bay coast at mouth of Shagamu River, Ont.
- District Located: Kenora
- Longitude/Latitude: 86.92972W / 55.73444 N
- Habitat: Open, hummocky fen.
- Notes: Local, in moister spots.
- Collector: M.J. Oldham & D.A. Sutherland
- Collection Number: 26556
- Collection Date: 14-Jul-2001
- Determined by: A.A. Reznicek Feb. 24 (sub. C. marina det. M. ...
- Annotation by: [no data]