- Herbarium ID: NHIC
- Accession Number: MJO75032
- Scientific Name: Barbarea orthoceras Ledeb.
- Family Name: Brassicaceae
- Location: Near Copper Hbr., central Mortimer Isl., Slate Islands Provincial Park, Lake Superior, Ont.
- District Located: not specified
- Longitude/Latitude: 87.03111W / 48.68722 N
- Habitat: Cobble beach on Lake Superior shore.
- Notes: Uncommon, flowering.
- Collector: M.J. Oldham & W.D. Bakowsky
- Collection Number: 25701
- Collection Date: 19-Jun-2001
- Determined by: M.J. Oldham
- Annotation by: P.W. Ball 24.