no HD illustration available
2 405981 Erysimum asperum (Nutt.) DC. [80 232717 Cheiranthus asper Nutt.]
W.J. Hooker, Fl. Bor.-Amer. (Hooker), vol. 1 : t. 22 (1829) [W.J. Hooker]
no thumbnail 350px available no thumbnail 200px available