- Herbarium ID: NHIC
- Accession Number: MJO89786
- Scientific Name: Barbarea orthoceras Ledeb.
- Family Name: Brassicaceae
- Location: Knickerbocker Inlet, Aulneau Peninsula, Lake of the Woods, Ont.
- District Located: Kenora
- Longitude/Latitude: 94.28722W / 49.38722 N
- Habitat: Sandy-rocky lakeshore.
- Notes: Flowering; sub. Barbarea ?vulgaris det. MJO; style on fruit is too short for vulgaris - P.W. Ball.
- Collector: M.J. Oldham
- Collection Number: 29827
- Collection Date: 16-Sep-2003
- Determined by: P.W. Ball Sept. 24.
- Annotation by: [no data]