- Herbarium ID: NHIC
- Accession Number: MJO55746
- Scientific Name: Carex brevior (Dewey) Mack. ex Lunell
- Family Name: Cyperaceae
- Location: Manitou Mounds, N shore Rainy River, approx. 4 km upstream of Shaw Rd. and 8 km SE of Stratton P.O., Ont.
- District Located: not specified
- Longitude/Latitude: 94.06833W / 48.6475 N
- Habitat: Rock outcrop, approx. 500 m downstream of main prairie remnant along river.
- Notes: Local.
- Collector: M.J. Oldham & W.D. Bakowsky
- Collection Number: 21831
- Collection Date: 12-Jun-1999
- Determined by: M.J. Oldham
- Annotation by: A.A. Reznicek Jan. 2.