Sidotheca trilobata (A.Gray) Reveal in Harvard Pap. Bot. 9(1): 211. 2004 sec. Reveal 2005
- ≡Oxytheca trilobata A.Gray in Proc. Amer. Acad. Arts 12: 83. 1876 syn. sec. WFO 2018
- ≡Eriogonum trilobatum (A.Gray) S.Stokes, Eriogonum: 27. 1936 syn. sec. Reveal 2005