Photo 15630797, (c) lzheng, some rights reserved (CC BY-NC)

Attribution © lzheng some rights reserved Uploaded by lzheng Source iNaturalist Associated observations Photos / Sounds 4 photos What Blue-gray Sunken-Disk (Circinaria caesiocinerea) Observer lzheng Date April 17, 2018 01:48 PM EDT Place Brandeis University, Waltham, MA, US (Google, OSM) Date Added April 17, 2018 02:00 PM EDT 4 IDs Research Grade View Sizes small medium large original