Photo 2202659, (c) Jim Varnum, some rights reserved (CC BY-NC), uploaded by Jim Varnum

Attribution © Jim Varnum some rights reserved Uploaded by jim-botany Source iNaturalist Associated observations Photos / Sounds What Texas Giant Ragweed (Ambrosia trifida var. texana) Observer jim-botany Date July 28, 2015 Place Ken Good Park, Carrollton, Dallas Co., TX (Google, OSM) Date Added July 30, 2015 08:24 AM CDT Description Local name = Giant ragweed. 2 comments 3 IDs Research Grade View Sizes small medium large original