The native distribution of Arion vulgaris is not exactly known.

In Britain the slug was first recorded in 1954, which does not indicate native distribution there.

In the eastern end of the tree's native distribution, several forms have orange- or copper-colored bark.

Its native distribution is across the Middle East and Asia.

Its native distribution includes northern Burma and western China.

The native distribution of this species is Baltic and Carpathian.

The native distribution of this species is Europe.

Its native distribution includes central and western Europe.

The density of the cane toad is significantly lower within its native distribution than in places where it has been introduced.

The native distribution is in the arid western United States and northern Mexico.