Vipera berus (Italian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Vipera berus" in Italian language version.

refsWebsite

Global rank Italian rank

1iucnredlist.org

88^th place

77^th place

1,245^th place

472^nd place

iucnredlist.org

apiv3.iucnredlist.org

(EN) Jelka Crnobrnja Isailovic et al., 2009, Vipera berus, su IUCN Red List of Threatened Species, Versione 2020.2, IUCN, 2020.

reptarium.cz

reptile-database.reptarium.cz

Vipera berus, in The Reptile Database. URL consultato il 24 luglio 2014.