Photo 21017528, (c) Michael A. Alcorn, some rights reserved (CC BY), uploaded by Michael A. Alcorn

Attribution © Michael A. Alcorn some rights reserved Uploaded by airalcorn2 Source iNaturalist Associated observations Photos / Sounds 4 photos What Emory's Barrel Cactus (Ferocactus emoryi) Observer airalcorn2 Date June 15, 2018 04:21 PM CDT Place Pima County, AZ, USA (Google, OSM) Date Added July 8, 2018 03:39 PM EDT 4 IDs Research Grade View Sizes small medium large original