Erysimum capitatum var. purshii (Durand) Rollins, Crucifer. Continental N. Amer.: 482. 1993 sec. Rollins 1993
- =Erysimum pumilum Nutt., Fl. N. Amer. 1(1): 95. 1838 syn. sec. Rollins 1993
- =Erysimum asperum var. pumilum (Nutt. ex Torr. & A. Gray) S. Watson, Botany (Fortieth Parallel): 24. 1871 syn. sec. Rollins 1993
- =Erysimum asperum f. alpestre Cockerell in Bull. Torrey Bot. Club 18: 168. 1891 syn. sec. Rollins 1993
- =Erysimum asperum f. nanum Cockerell in Nat. Notes, Selborne Soc. 2: 15. 1891 syn. sec. Rollins 1993
- =Cheiranthus argillosus Greene in Pittonia 3(15D): 136. 1896 syn. sec. Rollins 1993
- =Cheiranthus asperrimus Greene in Pittonia 3(15D): 133-134. 1896 syn. sec. Rollins 1993
- =Cheiranthus nivalis Greene in Pittonia 3(15D): 137. 1896 syn. sec. Rollins 1993
- =Cheiranthus nivalis var. amoenus Greene in Pittonia 3: 137. 1896 syn. sec. Rollins 1993
- =Cheiranthus aridus A. Nelson in Bull. Torrey Bot. Club 26(7): 351-352. 1899 syn. sec. Rollins 1993
- =Cheiranthus bakeri Greene in Pittonia 4(24A): 235. 1901 syn. sec. Rollins 1993
- =Erysimum alpestre (Cockerell) Rydb. in Bull. Torrey Bot. Club 28(5): 277. 1901 syn. sec. Rollins 1993
- =Erysimum nivale (Greene) Rydb. in Bull. Torrey Bot. Club 31(10): 558. 1904 syn. sec. Rollins 1993
- =Erysimum oblanceolatum Rydb. in Bull. Torrey Bot. Club 31(10): 557-558. 1904 syn. sec. Rollins 1993
- =Erysimum radicatum Rydb. in Bull. Torrey Bot. Club 31(10): 558. 1904 syn. sec. Rollins 1993
- =Cheiranthus alpestris (Cockerell) A. Heller in Muhlenbergia 1(9): 144. 1906 syn. sec. Rollins 1993
- =Cheiranthus oblanceolatus (Rydb.) A. Heller in Muhlenbergia 1(9): 144. 1906 syn. sec. Rollins 1993
- =Cheiranthus radicatus (Rydb.) A. Heller in Muhlenbergia 1(9): 144. 1906 syn. sec. Rollins 1993
- =Erysimum amoenum (Greene) Rydb. in Bull. Torrey Bot. Club 33(3): 142. 1906 syn. sec. Rollins 1993
- =Erysimum argillosum (Greene) Rydb. in Bull. Torrey Bot. Club 33(3): 141. 1906 syn. sec. Rollins 1993
- =Erysimum asperrimum (Greene) Rydb. in Bull. Torrey Bot. Club 33(3): 141. 1906 syn. sec. Rollins 1993
- =Erysimum bakeri (Greene) Rydb. in Bull. Torrey Bot. Club 33(3): 141. 1906 syn. sec. Rollins 1993
- =Erysimum cockerellianum Daniels in Univ. Missouri Stud., Sci. Ser. 2(2): 131. 1911 syn. sec. Rollins 1993
- =Cheirinia amoena (Greene) Rydb. in Bull. Torrey Bot. Club 39(7): 324. 1912 syn. sec. Rollins 1993
- =Cheirinia argillosa (Greene) Rydb. in Bull. Torrey Bot. Club 39(7): 324. 1912 syn. sec. Rollins 1993
- =Cheirinia arida (A. Nelson) Rydb. in Bull. Torrey Bot. Club 39(7): 324. 1912 syn. sec. Rollins 1993
- =Cheirinia asperrima (Greene) Rydb. in Bull. Torrey Bot. Club 39(7): 324. 1912 syn. sec. Rollins 1993
- =Cheirinia bakeri (Greene) Rydb. in Bull. Torrey Bot. Club 39(7): 324. 1912 syn. sec. Rollins 1993
- =Cheirinia brachycarpa Rydb. in Bull. Torrey Bot. Club 39(7): 325. 1912 syn. sec. Rollins 1993
- =Cheirinia nivalis (Greene) Rydb. in Bull. Torrey Bot. Club 39(7): 324. 1912 syn. sec. Rollins 1993
- =Cheirinia oblanceolata Rydb. in Bull. Torrey Bot. Club 39(7): 324. 1912 syn. sec. Rollins 1993
- =Cheirinia radicata (Rydb.) Rydb. in Bull. Torrey Bot. Club 39(7): 324. 1912 syn. sec. Rollins 1993
- =Cheirinia cockerelliana (Daniels) Cockerell in Torreya 13(12): 268. 1913 syn. sec. Rollins 1993
- =Cheirinia desertorum Wooton & Standl. in Contr. U.S. Natl. Herb. 16(4): 125. 1913 syn. sec. Rollins 1993
- =Cheirinia nivalis var. radicata (Rydb.) Cockerell in Torreya 13(12): 268. 1913 syn. sec. Rollins 1993
- =Erysimum capitatum var. amoenum (Greene) R.J. Davis in Madroño 11(3): 144. 1951 syn. sec. Rollins 1993
- =Erysimum capitatum var. argillosum (Greene) R.J. Davis in Madroño 11(3): 144. 1951 syn. sec. Rollins 1993
- =Erysimum desertorum (Wooton & Standl.) Rossbach in Aliso 4(1): 115. 1958 syn. sec. Rollins 1993
- =Erysimum asperum var. amoenum (Greene) Reveal in Great Basin Naturalist 32(4): 222. 1972 syn. sec. Rollins 1993