Cystopteris fragilis (L.) Bernh.
Common Name: FRAGILE FERN
Coefficient of Conservatism: 4
Coefficient of Wetness: 3
Wetness Index: FACU
Physiognomy: Nt Fern

Cystopteris fragilis fronds J. Morefield fronds

Usually on rock outcrops, both calcareous and acidic, often in shade or partial shade.

Locations

Alger County
Alpena County
Baraga County
Benzie County
Cheboygan County
Chippewa County
    Including Drummond Island
Delta County
Dickinson County
Gogebic County
Houghton County
Huron County
Iron County
Keweenaw County
    Including Isle Royale
Leelanau County
    Including Fox Islands
Mackinac County
Marquette County
Ontonagon County

Citation:

MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 12, 2017. http://www.michiganflora.net/species.aspx?id=521.