Photo 9488015, (c) Conor McMahon, some rights reserved (CC BY-NC), uploaded by Conor McMahon

Attribution © Conor McMahon some rights reserved Uploaded by conormcmahon Source iNaturalist Associated observations Photos / Sounds 3 photos What Giant Ragweed (Ambrosia trifida var. trifida) Observer conormcmahon Date July 22, 2017 09:06 AM CDT Place Georgetown, TX, USA (Google, OSM) Date Added August 2, 2017 06:39 PM CDT 4 IDs Research Grade View Sizes small medium large original