Photo 320147, (c) Brian Gratwicke, some rights reserved (CC BY)

Attribution © Brian Gratwicke some rights reserved Uploaded by briangratwicke Source Flickr Original http://www.flickr.com/photos/briangratwicke/8716293119/ Associated observations Photos / Sounds What Box Elder (Acer negundo) Observer briangratwicke Date May 6, 2013 03:06 PM EDT Place Washington, District of Columbia, United States (Google, OSM) Date Added May 7, 2013 10:28 AM EDT 1 comment 3 IDs Research Grade View Sizes small medium large original