- Herbarium ID: NHIC
- Accession Number: MJO12288
- Scientific Name: Carex torreyi Tuck.
- Family Name: Cyperaceae
- Location: Manitou Mounds, N shore Rainy River, approx. 6 km W of Barwick, Ont.
- District Located: not specified
- Longitude/Latitude: 94.06167W / 48.64667 N
- Habitat: Open mesic prairie, with Lithospermum canescens, Zizia aurea, Galium boreale.
- Notes: Also with Andropogon gerardii, Commandra umbellata, Anemone canadensis.
- Collector: M.J. Oldham & W.D. Bakowsky
- Collection Number: 20813
- Collection Date: 23-Jun-1998
- Determined by: M.J. Oldham
- Annotation by: A.A. Reznicek 1998.