Saxifraga tricuspidata Rottb.
Common Name: PRICKLY SAXIFRAGE
Coefficient of Conservatism: 10
Coefficient of Wetness: 5
Wetness Index: UPL
Physiognomy: Nt P-Forb
Status: T
Saxifraga tricuspidata rosettes A. A. Reznicek rosettes

A North American arctic species, coming as far south as the United States only in Isle Royale National Park, where it grows on rock on the main island and on several of the offshore islands at the northeastern end of the archipelago. It is apparently very local on the nearby Canadian shore.

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 14, 2017. http://www.michiganflora.net/species.aspx?id=2671.