3.5. 1. Oreomecon coloradensis (Fedde) Krivenko, Nov. Syst. Pl. Vasc. 54: e 06: 2. 2023

≡ Papaver nudicaule var. coloradense Fedde, Repert. Spec. Nov. Regni Veg. 7: 256. 1909. Type: USA: Colorado. East of Middle Park, 1867, Parry 147 (lectotype: BM [barcode BM 574948], designated by Björk [2019], p. 17) ≡ Papaver coloradense (Fedde) Fedde ex Wooton & Standl., Contr. U. S. Natl. Herb. 19: 262. 1915.