Cobben, 1957, 1959, 1960 (hab., tax.); Walton, 1966 (hab., tax.).
Distribution
Lee et al., 1994 (Korea); Protić, 1998a (Serbia); Baužys, 2013 (Lithuania); Ghahari et al., 2013a (Iran); Vinokurov & Kment, 2015a (Afghanistan Bulgaria Iran Asian Kazakhstan).