- Herbarium ID: NHIC
- Accession Number: MJO72381
- Scientific Name: Carex trisperma Dewey
- Family Name: Cyperaceae
- Location: N side Hwy 17, approx. 2.8 km W of Black River, 3.1 km E of Pic River, and 11.5 km ESE of Marathon, Ont.
- District Located: Algoma
- Longitude/Latitude: 86.24333W / 48.70028 N
- Habitat: Cold mossy moist black spruce/tamarack woods.
- Notes: Genetic sample (dried leaves) collected also.
- Collector: M.J. Oldham & W.D. Bakowsky
- Collection Number: 27739
- Collection Date: 16-Aug-2002
- Determined by: M.J. Oldham
- Annotation by: [no data]