Vipera berus

• Main Author: Elmberg, Johan
• Format: Other/Unknown Material
• Language: unknown
• Published: 2023
• Subjects: Biodiversity; Taxonomy; Animalia; Chordata; Reptilia; Squamata; Viperidae; Vipera; Vipera berus; Aktse; Flatruet; Lilla; Lule Lappmark; Tarradalen; North Sweden
• Online Access: https://zenodo.org/record/8030436; https://doi.org/10.5281/zenodo.8030436

Adder Vipera berus (Linneaus 1758) Distribution (Figure 10). Included records from Artportalen (N=1250): all reports have been included. Any confusion between melanistic Vipera berus and Natrix natrix would not affect the distribution pattern. Common and widespread in the Southern and Middle Boreal....