Pennellia micrantha (A. Gray) Nieuwl. in Amer. Midl. Naturalist 5(11): 224. 1918 sec. Rollins 1993
- ≡Streptanthus micranthus A. Gray in Mem. Amer. Acad. Arts, n.s., 4(1): 7. 1849 syn. sec. Bailey & al. 2007
- =Thelypodium micranthum (A. Gray) S. Watson in Proc. Amer. Acad. Arts 17: 321. 1882 syn. sec. Bailey & al. 2007
- =Heterothrix micrantha (A. Gray) Rydb. in Bull. Torrey Bot. Club 34(8): 435. 1907 syn. sec. Bailey & al. 2007
- =Thelypodium longifolium var. catalinense M.E. Jones in Contr. W. Bot. 12: 2. 1908 syn. sec. Rollins 1993
- =Pennellia robinsonii Rollins in Contr. Gray Herb. 210: 13-14. 1980 syn. sec. Bailey & al. 2007