Coefficient of Conservatism:
Coefficient of Wetness:
Lower portions of large mossy dolomite boulders in moist deciduous forest understories, usually on talus below low escarpments or ridges, sometimes on the mossy sides of fissures in similar rich hardwood settings; very rare and local.
American plants are the tetraploid var. americanum (Fernald) Kartesz & Gandhi, a globally very rare entity of highly restricted occurrence. The typical var. scolopendrium is a widespread Eurasian diploid.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. July 22, 2018. https://www.michiganflora.net/species.aspx?id=203.