- Herbarium ID: SSMF
- Accession Number: 011595
- Scientific Name: Carex magellanica subsp. irrigua (Wahlenb.) Hultén
- Family Name: Cyperaceae
- Location: Site 17, 17 km from coast, SE of Hannah Bay, near the Ontario-Quebec border, James Bay, Ontario.
- District Located: Cochrane
- Longitude/Latitude: 79.5375W / 51.10833 N
- Habitat: Shrub-rich fen of Betula glandulifera, Salix pedicellaris, Carex limosa, Carex diandra, Sphagnum, Habenaria dilatata.
- Notes: [no data]
- Collector: R.A. Sims
- Collection Number: 585
- Collection Date: 08/05/1977
- Determined by: R.A. Sims
- Annotation by: [no data]