- Herbarium ID: NHIC
- Accession Number: MJO11578
- Scientific Name: Carex pensylvanica Lam.
- 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: 94.20333W / 49.46194 N
- Habitat: Bur oak rock barrens.
- Notes: [no data]
- Collector: M.J. Oldham & W.D. Bakowsky
- Collection Number: 20198
- Collection Date: 18-Jul-1997
- Determined by: A.A. Reznicek (sub C. ?inops det. M.J.O.).
- Annotation by: [no data]