Atragene sibirica L. (probably valid is Atragene speciosa Weinm.), a deciduous lian of Ranunculaceae, ranging in the easternmost Europe, Central Asia, Siberia, Mongolia.
Screes on the Tarkhatta River right bank, junction of the Sailyugem and Yuzhno-Chuiiskii mountain ranges, Kosh-Agach District, Altai Republic, the Altai Mts., West Siberia, Russia. 9th July 1998. O. Kosterin.