- Herbarium ID: NHIC
- Accession Number: MJO8190
- Scientific Name: Arnica cordifolia Hook.
- Family Name: Asteraceae
- Location: Sibley Peninsula, Sleeping Giant Provincial Park, Lake Superior, Ont.
- District Located: not specified
- Longitude/Latitude: 88.80167W / 48.49528 N
- Habitat: Small colony in Abies/Betula woods, approx. 50 m from cliff edge.
- Notes: Flowering, approx. 100 flowering and 500 non-flowering plants.
- Collector: M.J. Oldham
- Collection Number: 17457
- Collection Date: 25-Jun-1995
- Determined by: M.J. Oldham
- Annotation by: A.A. Reznicek 1995.