- Herbarium ID: NHIC
- Accession Number: MJO77285
- Scientific Name: Erigeron canadensis L.
- Family Name: Asteraceae
- Location: Along abandoned Canadian National Railway (CNR) line, approx. 1 km NW of Mack, near Torrey Lk., and 14.6 km NNE of Upsala, Ont.
- District Located: not specified
- Longitude/Latitude: 90.38222W / 49.16472 N
- Habitat: Cinders of abandoned railway.
- Notes: [no data]
- Collector: M.J. Oldham & W.D. Bakowsky
- Collection Number: 26710
- Collection Date: 13-Aug-2001
- Determined by: M.J. Oldham
- Annotation by: [no data]