- Herbarium ID: SSMF
- Accession Number: 008273
- Scientific Name: Calamagrostis deschampsioides Trin.
- Family Name: Poaceae
- Location: About 15 km SE of the Shagamu River mouth, SW coast of Hudson Bay, Ontario.
- District Located: Kenora
- Longitude/Latitude: 86.73611W / 55.73611 N
- Habitat: Site 78-56C (9). Brackish marsh dominated by Carex aquatilis, Scirpus hudsonianus, etc., 0.5 km from high tide level.
- Notes: Water conductivity 450 umhos, depth of peat 38 cm.
- Collector: R.A. Sims
- Collection Number: 2245
- Collection Date: 07/28/1978
- Determined by: J.L. Riley
- Annotation by: [no data]