Vipera berus, also known as the common European adder and the common European viper, is a species of venomous snake in the family Viperidae. The species...

organization of phospholipase A2 genes from Vipera aspis aspis, V. aspis zinnikeri and Vipera berus berus venom" (PDF). European Journal of Biochemistry...

Vipera berus bosniensis, the Balkan cross adder or Bosnian viper, is a venomous subspecies of viper endemic to the Balkan Peninsula. It is only found within...

Vipera berus sachalinensis (Sakhalin Island adder a.k.a. Sakhalin adder) is a viper subspecies endemic to Asia. Like all other vipers, it is venomous....

one species (V. berus) discovered so far lives in East Asia, most notably North Korea, northern China and northern Mongolia. Most Vipera species prefer...

Vipera ursinii is a species of venomous snake in the subfamily Viperinae of the family Viperidae. It is a very rare species, which is in danger of extinction...

Strugariu, Alexandru (2010). "Distribution and morphological variation of Vipera berus nikolskii Vedmederja, Grubant et Rudaeva, 1986 in Western Ukraine, The...

nouvelle d'Espagne". Bulletin de la Société zoologique de France 4: 132. (Vipera berus seoanei, new subspecies). (in Latin and French). Mertens R, Müller L...

Vipera kaznakovi, also known as the Caucasus viper, Kaznakow's viper, Kaznakov's viper, and by other common names, is a species of venomous snake in the...

Vipera aspis zinnikeri, Gascony asp Vipera barani, Baran's adder Vipera berus, common viper, adder Vipera berus berus, Common European adder Vipera berus...