- Herbarium ID: SSMF
- Accession Number: 008618
- Scientific Name: Carex mackenziei V.I.Krecz.
- Family Name: Cyperaceae
- Location: Approx. 14 km SE of Winisk, 7 km from coast, SW coast of Hudson Bay, Ontario.
- District Located: Kenora
- Longitude/Latitude: 84.175W / 55.175 N
- Habitat: Site 78-75 (4). An upland forested beach ridge of Picea mariana/Larix laricina/Cladina stellaris woodland.
- Notes: [no data]
- Collector: R.A. Sims
- Collection Number: 2297
- Collection Date: 08/01/1978
- Determined by: R.A. Sims
- Annotation by: [no data]