Photo 266528, (c) María Alejandra González, some rights reserved (CC BY-NC-SA), uploaded by María Alejandra González

Attribution © María Alejandra González some rights reserved Uploaded by ale Source iNaturalist Mexico Associated observations Photos / Sounds What Rat-tail Nipple Cactus (Mammillaria pottsii) Observer ale Date April 2010 Place Private Date Added March 6, 2013 12:43 AM CST 6 IDs Research Grade View Sizes small medium large original