- Herbarium ID: NHIC
- Accession Number: MJO8768
- Scientific Name: Carex atherodes Spreng.
- Family Name: Cyperaceae
- Location: Near Oak Grove Camp, approx. 1 km upstream from mouth of Rainy River and 15 km NW of Rainy River P.O., Ont.
- District Located: not specified
- Longitude/Latitude: 94.70028W / 48.82528 N
- Habitat: Locally common, edge of Rainy River.
- Notes: Note glabrous sheaths.
- Collector: M.J. Oldham & W.D. Bakowsky
- Collection Number: 17962
- Collection Date: 8-Aug-1995
- Determined by: M.J. Oldham
- Annotation by: A.A. Reznicek 1997.