Coefficient of Conservatism:
Coefficient of Wetness:
BEACH THREE-AWNED GRASS
Sand barrens. This species has longer awns and larger spikelets than any other of our species, except A. oligantha. The distinctive twisted column of awns is shorter in material from near the head of Lake Michigan than in specimens from the East Coast of the United States.
Van Buren County
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 15, 2017. http://www.michiganflora.net/species.aspx?id=2017.