Animalia → Gastropoda → Arionidae
Tillamook Westernslug
Hesperarion mariae
Invertebrate Animals
ORBIC List 4S3
State Rank
SX
S1
S2
S3
S4
S5
S3 — Vulnerable in Oregon
G3
Global Rank
Vulnerable
List 4
ORBIC
Apparently Secure
What do these ranks mean? ORBIC's ranking definitions or NatureServe's conservation status categories
Ecoregions
Coast Range
Counties
Douglas · Lane · Lincoln · Tillamook · Washington · Yamhill
Other states / provinces
Not found outside Oregon
Oregon Endemic: Found only in Oregon
Range map
Certain
Possible
Extirpated
Absent