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...

Common names: meadow viper, Ursini's viper, meadow adder, (more). Vipera ursinii is a species of venomous snake in the subfamily Viperinae of the family...

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....

Vipera (/ˈvɪpərə/; commonly known as the palaearctic vipers and Eurasian vipers) is a genus of vipers. It has a very wide range, being found from North...

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

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

Publishing. 272 pp. (Vipera berus dinniki, new subspecies). (in Russian). Orlov NL, Tuniyev BS (1990). "Three species in the Vipera kaznakowi complex (Eurosiberian...