ex. herb. Omer E. Sperry
1 Aug 1938
Disakisperma dubium (Kunth) P.M. Peterson & N. Snow
Pappophorum vaginatum Buckley
Sporobolus airoides (Torr.) Torr.
Sporobolus cryptandrus (Torr.) A. Gray
Bouteloua trifida Thurb.
Chloris virgata Sw.