- Herbarium ID: NHIC
- Accession Number: MJO6784
- Scientific Name: Cirsium pitcheri (Torr. ex Eaton) Torr. & A.Gray
- Family Name: Asteraceae
- Location: Carter Bay, The Sand Bluffs, S shore of Manitoulin Island, Ont.
- District Located: Manitoulin
- Longitude/Latitude: 82.14139W / 45.60611 N
- Habitat: undefined
- Notes: Uncommon, approx. 100 plants seen, 10-20% in flower or bud, remainder rosettes; with Arctostaphylos, Poa compressa, Elymus lanceolatus, Artemisia campestris, Juncus compressus, and Smilacina stellata.
- Collector: M.J. Oldham
- Collection Number: 16276
- Collection Date: 21-Jun-1994
- Determined by: not specified
- Annotation by: [no data]