protologue: Fl. Amer. Sept. 2: 427 (1813)
2 673844 Mimulus lewisii PurshS. Brown, Alpine Fl. Canad. Rocky Mts.: p. 0 (1907)
2 673844 Mimulus lewisii PurshM.V. Walcott, N. Amer. Wild Fl., vol. 5 : t. 374 (1925-1927)
2 673844 Mimulus lewisii PurshAnn. Missouri Bot. Gard., vol. 11 : t. 8 (1924) [L.A.L.A.]
2 673844 Mimulus lewisii PurshF.T. Pursh, Fl. Amer. Sept. (Pursh), vol. 2 : t. 20 (1814)