Photo 289814, (c) Mikael Behrens, some rights reserved (CC BY-NC), uploaded by Mikael Behrens

Attribution © Mikael Behrens some rights reserved Uploaded by mikaelb Source iNaturalist Associated observations Photos / Sounds What Giant Ragweed (Ambrosia trifida) Observer mikaelb Date April 6, 2013 11:05 AM CDT Place Lake Creek, Jollyville, Texas, US (Google, OSM) Date Added April 6, 2013 11:16 AM CDT 2 IDs Research Grade View Sizes small medium large original