Halimolobos diffusus (A. Gray) O.E. Schulz, Pflanzenr. (Engler) IV. 105(Heft 86): 288. 1924 sec. Rollins 1993
- ≡Sisymbrium diffusum A. Gray in Smithsonian Contr. Knowl. 3(5): 8. 1852 syn. sec. Bailey & al. 2007
- =Hesperis diffusa (A. Gray) Kuntze in Ann. Sci. Nat., Bot., sér. 2, 3: 271. 1891 syn. sec. Rollins 1993
- =Sophia diffusa (A. Gray) Tidestr. in Proc. Biol. Soc. Washington 48(9): 39. 1935 syn. sec. Rollins 1993