3.5. 5. Oreomecon pygmaea (Rydb.) Krivenko, Nov. Syst. Pl. Vasc. 54: e 06: 2. 2023

≡ Papaver pygmaeum Rydb., Bull. Torrey Bot. Club 29: 159. 1902. Type: USA: Montana. Mountain above Stanton Lake, 1 Aug 1894, Williams 992 (lectotype: NY [NY 99719], designated by Björk [2019], p. 2).