- Herbarium ID: NHIC
- Accession Number: MJO56097
- Scientific Name: Carex echinata Murray
- Family Name: Cyperaceae
- Location: Carp River at Cedar Lakes, near Mamainse Mountain, N of Batchawana Bay, Lake Superior, Ont.
- District Located: Algoma
- Longitude/Latitude: 84.59139W / 47.03556 N
- Habitat: undefined
- Notes: Growing with 22201 but appearing different.
- Collector: M.J. Oldham & W.D. Bakowsky
- Collection Number: 22200
- Collection Date: 19-Jun-1999
- Determined by: M.J. Oldham
- Annotation by: A.A. Reznicek March 24 (robust).