Carex atratiformis Britton
Common Name: SEDGE
Coefficient of Conservatism: 10
Coefficient of Wetness: -3
Wetness Index: FACW
Physiognomy: Nt P-Sedge
Status: T

Borders of forests and in rock crevices along the Lake Superior shore. A boreal species, which ranges south to northern New England and Lake Superior. Apparently extant only on Isle Royale, records from the mainland of the Upper Peninsula are very old.



Keweenaw County
    Including Isle Royale
Marquette County


MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. July 23, 2021.