Streptanthus longirostris (S. Watson) S. Watson in Proc. Amer. Acad. Arts 25: 127. 1890 sec. Warwick & al. 2006
- ≡Arabis longirostris S. Watson, Botany (Fortieth Parallel): 17, pl. 2. 1871 syn. sec. ???
- =Streptanthella longirostris (S. Watson) Rydb., Fl. Rocky Mts.: 364. 1917 syn. sec. FNA Ed. Committee 2010