Platygyrium repens (Brid.) Schimp.
Family: Hypnaceae
platygyrium moss
[Neckera sericea ,  more]
Platygyrium repens image
Charles DeLavoi  
Conrad, H., & Redfearn, Jr., P. (1979). How to know the mosses and liverworts. (2nd ed.). Dubuque, Iowa: Wm. C. Brown Company Publishers.

Crum, H. (1983). Mosses of the Great Lakes forests. (3rd ed.). Ann Arbor, Michigan: University of Michigan Herbarium.

Crum, H. A., & Anderson, L. E. (1981). Mosses of eastern North America. (Vol. 2). NY, New York: Columbia University Press.