Coefficient of Conservatism:
Coefficient of Wetness:
Nt Fern Al
MOUNTAIN FIR MOSS
Rock crevices and ledges on the Isle Royale archipelago, especially on the Lake Superior shore.
Commonly known by the later name H. appalachiana Beitel & Mickel. On Passage Island, hybrids with H. selago (H. ×josephbeitelii A. Haines) are known, which resemble a lax, robust H. appressa. They are best confirmed by the high percentage of abortive spores.
Only on Isle Royale
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. April 23, 2019. https://www.michiganflora.net/species.aspx?id=1646.