- Herbarium ID: NHIC
- Accession Number: MJO11570
- Scientific Name: Carex richardsonii R.Br.
- Family Name: Cyperaceae
- Location: SE shore of island at NW tip of Long Point Isl., near Whitefish Narrows, NW of Sioux Narrows, Lake of the Woods, Ont.
- District Located: Kenora
- Longitude/Latitude: 94.20056W / 49.46222 N
- Habitat: Bur oak rock barrens.
- Notes: Looks OK, but sterile. -AAR.
- Collector: M.J. Oldham & W.D. Bakowsky
- Collection Number: 20190
- Collection Date: 18-Jul-1997
- Determined by: M.J. Oldham
- Annotation by: A.A. Reznicek 1998.