- Herbarium ID: NHIC
- Accession Number: MJO77252
- Scientific Name: Calamovilfa longifolia var. magna Scribn. & Merr.
- Family Name: Poaceae
- Location: W side of Hwy 17, approx. 2.5 km S of Karalash Corners, N of Sault Ste. Marie, Ont.
- District Located: Algoma
- Longitude/Latitude: 84.36028W / 46.75917 N
- Habitat: Roadside.
- Notes: Single clump with approx. 10-15 fruiting culms.
- Collector: M.J. Oldham & W.D. Bakowsky
- Collection Number: 26672
- Collection Date: 12-Aug-2001
- Determined by: M.J. Oldham
- Annotation by: [no data]