Descurainia obtusa (Greene) O.E. Schulz subsp. obtusa, Pflanzenr. (Engler) IV. 105(Heft 86): 321. 1924 sec. Rollins 1993
- =Sisymbrium obtusum (Greene) A. Nelson & J. F. Macbr. in Bot. Gaz. 56(6): 475. 1913 syn. sec. Rollins 1993
- =Descurainia obtusa subsp. brevisiliqua Detling, Amer. Midl. Naturalist 22(3): 499–500, f. 4 [map]. 1939 syn. sec. Rollins 1993