1903486 238186 Chondrosum simplex (Lag.) Kunth [125 152886 Bouteloua simplex Lag.] Grasses of the Southwest (= Illustrations of North American grasses vol. 1) , vol. 1(1): : t. 42 ()
 
1903426 238191 Chondrosum trifidum (Thurb.) Clayton [80 152756 Bouteloua burkei Scribn. ex S. Watson] Grasses of the Southwest (= Illustrations of North American grasses vol. 1) , vol. 1(1): : t. 36 ()
 
1903526 238191 Chondrosum trifidum (Thurb.) Clayton [80 152899 Bouteloua trifida Thurb. ex S. Watson] Grasses of the Southwest (= Illustrations of North American grasses vol. 1) , vol. 1(1): : t. 46 ()