Photo 4241204, (c) Bob O'Kennon, some rights reserved (CC BY-NC), uploaded by Bob O'Kennon

Attribution © Bob O'Kennon some rights reserved Uploaded by bob777 Source iNaturalist Associated observations Photos / Sounds What Texas Giant Ragweed (Ambrosia trifida var. texana) Observer bob777 Date October 10, 2015 09:46 AM CDT Place Southwest Nature Preserve, Arlington, Texas (Google, OSM) Date Added July 11, 2016 05:35 PM CDT 2 IDs Research Grade View Sizes small medium large original