Euro+MedendemicA: GeorgianativeA,B,C,D; Russia (North CaucasusnativeA,B,C,E,F); Turkey (Turkey, Asiatic partnativeA,G)
Bibliography
A.Skvortsov, A. K. 1999: Willows of Russia and adjacent countries. – University of Joensuu, Faculty of Mathematics and Natural Sciences, Report Series 39: 1-307