- Herbarium ID: NHIC
- Accession Number: MJO62585
- Scientific Name: Eriophorum vaginatum subsp. spissum (Fernald) Hultén
- Family Name: Cyperaceae
- Location: Polar Bear Provincial Park, approx. 20 km SW of Brant River mouth at Hudson Bay, Ont.
- District Located: Kenora
- Longitude/Latitude: 83.02722W / 55.00667 N
- Habitat: Edge of rocky river and adjacent tundra and willow thickets.
- Notes:
- Collector: M.J. Oldham
- Collection Number: 25106
- Collection Date: 1-Sep-2000
- Determined by: M.J. Oldham
- Annotation by: A.A. Reznicek March 24.