Caulanthus californicus (S. Watson) Payson Caulanthus californicus (S. Watson) Payson in Ann. Missouri Bot. Gard. 9(3): 299. 1922 sec. Warwick & al. 2006≡Stanfordia californica S. Watson, Bot. California (W. H. Brewer) 2: 479. 1880 syn. sec. Warwick & al. 2006