Poa thomasii Refulio in Syst. Bot. 37(1): 130. 2012 sec. Sánchez-Ken 2019
- =Stenochloa californica Nutt. in Proc. Acad. Nat. Sci. Philadelphia 4: 25. 1848 syn. sec. ???
- =Dissanthelium californicum (Nutt.) Benth. in Hooker's Icon. Pl. 4: 56, t. 1375. 1881 syn. sec. ???