Sphenopholis interrupta subsp. californica (Vasey) Scribn. in Rhodora 8(92): 146. 1906 sec. Dávila & al. 2018
- =Trisetum californicum Vasey in U.S.D.A. Div. Bot. Bull. 13(1): t. 46. 1892 syn. sec. Dávila & al. 2006
- =Trisetum interruptum var. californicum (Vasey) Louis-Marie in Rhodora 30: 240. 1928 syn. sec. Dávila & al. 2006