| Subspecies | Taxon author | Common name | Geographic range |
|---|---|---|---|
| G. h. boehmei | Nilson, 1983 | Boehme's pitviper | Known only from the type locality: Andarab valley, province of Baghlan, at 2,500 m altitude, eastern Afghanistan. |
| G. h. caraganus | (Eichwald, 1831) | Karaganda pitviper | From southeastern Europe, in the Ural and Emba River valleys, and (at least formerly) in the Volga River valley, through much of Kazakhstan, including northern Turkmenistan, Uzbekistan, Tajikistan and Kirgistan, into northwestern China. |
| G. h. cognatus | (Gloyd, 1977) | Alashan pitviper | North-central China, from eastern Qinghai across southern Gansu, probably also in Qinghai, and possibly eastwards into Hebei and northwards into Inner Mongolia. |
| G. h. halys | (Pallas, 1776) | Siberian pitviper | Southern Siberia and Mongolia, from the Zeya River west to longitude 74° E. |
| G. h. mogoi | Bour, 1993 | Western Mongolia. |
Read more about this topic: Gloydius Halys