- Herbarium ID: NHIC
- Accession Number: MJO78620
- Scientific Name: Rosa blanda Aiton 1789, non Pursh 1814
- Family Name: Rosaceae
- Location: Recently abandoned Canadian National Railway (CNR) tracks, approx. 8 km NW of Argon, Ont.
- District Located: not specified
- Longitude/Latitude: 90.08111W / 48.94306 N
- Habitat: Edge of woods adjacent to abandoned railway.
- Notes: Sub. Rosa ?arkansana det. MJO.
- Collector: M.J. Oldham & W.D. Bakowsky
- Collection Number: 26939
- Collection Date: 18-Aug-2001
- Determined by: A.A. Reznicek Feb. 24.
- Annotation by: [no data]