- Herbarium ID: NHIC
- Accession Number: MJO9716
- Scientific Name: Petasites frigidus var. sagittatus (Banks ex Pursh) Chern.
- Family Name: Asteraceae
- Location: N side of Hwy 17, just S of Jackfish River, Ont.
- District Located: not specified
- Longitude/Latitude: 88.075W / 49.01806 N
- Habitat: Roadside ditch, with Petasites frigidus var. palmatus.
- Notes: Single patch, approx. 50 m X 10 m.
- Collector: M.J. Oldham & W.D. Bakowsky
- Collection Number: 18659
- Collection Date: 25-Jun-1996
- Determined by: M.J. Oldham
- Annotation by: [no data]