Photo 91167, (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda

Attribution © Ken-ichi Ueda some rights reserved Uploaded by kueda Source iNaturalist Associated observations Photos / Sounds What Hygroscopic Earthstar (Astraeus hygrometricus) Observer kueda Date March 17, 2012 06:05 PM PDT Place Sobrante Ridge Regional Preserve, Contra Costa County, CA, USA (Google, OSM) Date Added March 17, 2012 08:00 PM PDT 2 IDs Research Grade View Sizes small medium large original