Aristida tuberculosa Nutt.
Common Name: BEACH THREE-AWNED GRASS
Coefficient of Conservatism: 9
Coefficient of Wetness: 5
Wetness Index: UPL
Physiognomy: Nt A-Grass
Status: E
Aristida tuberculosa twisted awn bases B. S. Walters twisted awn bases

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.

Locations

Berrien County
Van Buren County

Citation:

MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. May 28, 2020. https://www.michiganflora.net/species.aspx?id=2017.