- Herbarium ID: NHIC
- Accession Number: MJO72174
- Scientific Name: Helianthus pauciflorus subsp. subrhomboideus (Rydb.) O.Spring & E.E.Schill.
- Family Name: Asteraceae
- Location: Budreau's Pt., Big Traverse Bay, S end of Lake of the Woods, Ont.
- District Located: not specified
- Longitude/Latitude: 94.58028W / 48.95194 N
- Habitat: Rocky bur oak prairie remnant with Stipa spartea and Koeleria macrantha.
- Notes: Flowering; local patch in very natural habitat, appearing native.
- Collector: M.J. Oldham, W.D. Bakowsky & J. Vandenbroeck
- Collection Number: 27970
- Collection Date: 22-Aug-2002
- Determined by: M.J. Oldham
- Annotation by: P.W. Ball Sept. 24.