- Herbarium ID: NHIC
- Accession Number: MJO77015
- Scientific Name: Carex rossii Boott
- Family Name: Cyperaceae
- Location: Near East Kettle River, approx. 6 km from Manitoba border and 67 km inland from coast of Hudson Bay, Ont.
- District Located: Kenora
- Longitude/Latitude: 89.62556W / 56.38278 N
- Habitat: Inland sand flats and low ridge.
- Notes: Locally common.
- Collector: M.J. Oldham & D.A. Sutherland
- Collection Number: 26475
- Collection Date: 13-Jul-2001
- Determined by: M.J. Oldham
- Annotation by: A.A. Reznicek Feb. 24, P.W. Ball 24.