Vipera aspis, commonly known as the asp viper, is a venomous snake found in Europe. The term "Vipera Aspis" is often used by herpetologists and snake enthusiasts. However, there are several synonyms for this species, including Vipera francisciredi, Vipera geniculata aspis, and Vipera wagneri aspis. These synonyms have been used to refer to the same species at different times or by different researchers. The asp viper is a small but dangerous snake, with a distinctive triangular head and zigzag patterns on its brown or gray body. Its venom can cause severe pain, swelling, and even death in humans if untreated.