- Herbarium ID: NHIC
- Accession Number: MJO9861
- Scientific Name: Arnica lonchophylla Greene
- Family Name: Asteraceae
- Location: Along stream entering lake, Cavern Lake Canyon, W of Dorion, Ont.
- District Located: not specified
- Longitude/Latitude: 88.68722W / 48.84167 N
- Habitat: Mossy algific talus at base of canyon.
- Notes: Uncommon, flowering, also on cliff at N end of lake, UTM 768101.
- Collector: M.J. Oldham & W.D. Bakowsky
- Collection Number: 18760
- Collection Date: 28-Jun-1996
- Determined by: M.J. Oldham
- Annotation by: A.A. Reznicek 1997.