Photo 135179, (c) Christopher, all rights reserved, uploaded by Christopher

Attribution © Christopher all rights reserved Uploaded by ctracey Source Flickr Original http://www.flickr.com/photos/74916883@N00/7396284910 Associated observations Photos / Sounds What Low Pricklypear (Opuntia humifusa) Observer ctracey Date June 2011 Place Pennsylvania, US (Google, OSM) Date Added June 18, 2012 04:22 PM EDT 3 IDs Research Grade View Sizes small medium large original