Photo 5451184, (c) Alison Young, some rights reserved (CC BY-NC), uploaded by Alison Young

Attribution © Alison Young some rights reserved Uploaded by kestrel Source iNaturalist Associated observations Photos / Sounds What Giant Canyon Woodlouse (Porcellio dilatatus) Observer kestrel Date November 6, 2016 10:06 AM PST Place 101-129 Collins Street San Francisco, CA 94118 (Google, OSM) Date Added November 6, 2016 11:27 AM PST 5 IDs Research Grade View Sizes small medium large original