Photo 4406262, (c) Bob O'Kennon, some rights reserved (CC BY-NC), uploaded by Bob O'Kennon

Attribution © Bob O'Kennon some rights reserved Uploaded by bob777 Source iNaturalist Associated observations Photos / Sounds What Little Nipple Cactus (Mammillaria heyderi ssp. heyderi) Observer bob777 Date April 4, 2015 09:45 AM CDT Place Palo Pinto Mountain State Park (Google, OSM) Date Added July 31, 2016 02:29 PM CDT 1 comment 8 IDs Research Grade View Sizes small medium large original