3.4. 7. Oreomecon nudicaulis subsp. americana (Rändel ex D. F. Murray) Elvebakk & Bjerke comb. nov.

≡ Papaver nudicaule subsp. americanum Rändel ex D. F. Murray, Novon 5: 295. 1995. Type: Canada: the Yukon Territory, the Klotassin area, southwest of Yukon River, between Selkirk and White River, Aug 1916, D. D. Cairnes 91890 (holotype: CAN).