- Herbarium ID: NHIC
- Accession Number: MJO7309
- Scientific Name: Bidens discoidea (Torr. & A.Gray) Britton
- Family Name: Asteraceae
- Location: N end of Poole Lk., approx. 3.5 km NW of South Baymouth P.O., Manitoulin Island, Ont.
- District Located: Manitoulin
- Longitude/Latitude: 82.03944W / 45.58361 N
- Habitat: Floating fen at N end of lake.
- Notes: Rare, flowering.
- Collector: M.J. Oldham & D.A. Sutherland
- Collection Number: 16757
- Collection Date: 14-Sep-1994
- Determined by: M.J. Oldham
- Annotation by: A.A. Reznicek 1995.