Requested reference
Izmailova, M. V. (1978b). Novye dannye o Xysticus sibiricus Kulczynski, 1908. In: Fauna Sibiri i ee khozyaistvennoe ispolzovanie. Irkutsk, pp. 18-19. -- Show included taxa
Izmailova, M. V. (1978b). Novye dannye o Xysticus sibiricus Kulczynski, 1908. In: Fauna Sibiri i ee khozyaistvennoe ispolzovanie. Irkutsk, pp. 18-19. -- Show included taxa