Photo 723152, (c) Matthew O'Donnell, some rights reserved (CC BY-NC-SA), uploaded by Matthew O'Donnell

Attribution © Matthew O'Donnell some rights reserved Uploaded by calopteryx Source iNaturalist Associated observations Photos / Sounds What Ater-group Arion Slugs (Subgenus Arion) Observer calopteryx Date July 30, 2006 Place UW Friday Harbor Labs, WA (Google, OSM) Date Added March 14, 2014 07:07 PM EDT Description Invasive species in WA and OR. 1 comment 4 IDs Research Grade View Sizes small medium large original