Western Siberia east to Sakhalin Island, northern and eastern Mongolia, northeastern China and North Korea, north to beyond the Arctic Circle (northernmost 71 degrees N)
Li-Li Jin et al. / Comparative Biochemistry and Physiology, Part B 154 (2009) 174-178. Characterization of antimicrobial peptides isolated from the skin of the Chinese frog, Rana dybowskii