- Herbarium ID: SLU
- Accession Number: 008844
- Scientific Name: Carex argyrantha Tuck. ex Dewey
- Family Name: Cyperaceae
- Location: Lots 17-18, Conc. A., approx. 0.5 km S of Maple Pt. on the North Channel shore of Manitoulin Island, Allan Twp., Lake Huron, Ontario.
- District Located: Manitoulin
- Longitude/Latitude: 82.98333W / 45.98333 N
- Habitat: Loc. #829. In damp soil of semi-open black ash woods.
- Notes: [no data]
- Collector: J.H. Soper & Keith Winterhalder
- Collection Number: 13543
- Collection Date: 07/08/1976
- Determined by: Keith Winterhalder
- Annotation by: [no data]