Arnica lonchophylla Greene
Common Name: LONGLEAF ARNICA
Coefficient of Conservatism: 10
Coefficient of Wetness: 5
Wetness Index: UPL
Physiognomy: Nt P-Forb
Status: E
Arnica lonchophylla W. Mackinnon

Cliffs near Lake Superior on Isle Royale, where collected by W. A. MacKinnon in 1997. Long known from northeastern Minnesota and adjacent Ontario.

Locations

Keweenaw County
    Only on Isle Royale

Citation:

MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 11, 2017. http://michiganflora.net/species.aspx?id=227.