- Herbarium ID: NHIC
- Accession Number: MJO12417
- Scientific Name: Ranunculus rhomboideus Goldie
- Family Name: Ranunculaceae
- Location: Island S of Crow Rock Island, N part of Lake of the Woods, Ont.
- District Located: Kenora
- Longitude/Latitude: 94.61056W / 49.59306 N
- Habitat: Open rocky bur oak stand near shore.
- Notes: Locally common, flowering (late).
- Collector: M.J. Oldham, W.D. Bakowsky, B. Ford & D. Punter
- Collection Number: 20929
- Collection Date: 26-Jun-1998
- Determined by: M.J. Oldham
- Annotation by: [no data]