- Herbarium ID: SSMF
- Accession Number: 008715
- Scientific Name: Carex aquatilis Wahlenb.
- Family Name: Cyperaceae
- Location: Approx. 2 km W of Shagamu River, SW coast of Hudson Bay, Ontario.
- District Located: Kenora
- Longitude/Latitude: 86.87638W / 55.87638 N
- Habitat: Transect K, brackish marsh dominated by graminoids and low herbs, occupying broad swales between raised gravel beach ridges.
- Notes: [no data]
- Collector: R.A. Sims
- Collection Number: 2584
- Collection Date: 08/13/1978
- Determined by: R.A. Sims
- Annotation by: [no data]