3.5. 2. Oreomecon columbiana (Fedde ex Björk) Krivenko, Nov. Syst. Pl. Vasc. 54: e 06: 2. 2023

≡ Papaver columbianum Fedde ex Björk, Phytoneuron 2019-6: 5. 2019. Type: Canada: British Columbia, mountains at Kicking [Horse], [possibly Yoho National Park], 8000 ft, 14 Aug 1890, Macoun s. n. (holotype: US, no. 99717) ≡ Papaver nudicaule var. columbianum Fedde; Repert. Spec. Nov. Regni Veg. 7: 255 (1909), nom. illeg.