- Herbarium ID: NHIC
- Accession Number: MJO7173
- Scientific Name: Cyperus houghtonii Torr.
- Family Name: Cyperaceae
- Location: Abandoned railway yard on Goat Island, 0.5 km NE of Little Current P.O., Ont.
- District Located: Manitoulin
- Longitude/Latitude: 81.91917W / 45.9825 N
- Habitat: Rare and local (approx. 100 plants), cinders of disturbed open area.
- Notes: Not listed for Manitoulin by Morton & Venn (1984).
- Collector: M.J. Oldham
- Collection Number: 16636
- Collection Date: 17-Aug-1994
- Determined by: M.J. Oldham
- Annotation by: A.A. Reznicek 1995.