- Herbarium ID: NHIC
- Accession Number: MJO6849
- Scientific Name: Cirsium pitcheri (Torr. ex Eaton) Torr. & A.Gray
- Family Name: Asteraceae
- Location: Burnt Island Hbr., Manitoulin Island, Ont.
- District Located: Manitoulin
- Longitude/Latitude: 82.95722W / 45.83528 N
- Habitat: Sand dunes.
- Notes: Habitat very local at this site, small population only, approx. 10 plants, none yet in flower, 5 in bud.
- Collector: M.J. Oldham
- Collection Number: 16331
- Collection Date: 22-Jun-1994
- Determined by: M.J. Oldham
- Annotation by: A.A. Reznicek 1995.