Photo 36914465, (c) Jenn Drummond, some rights reserved (CC BY-NC), uploaded by Jenn Drummond

Attribution © Jenn Drummond some rights reserved Uploaded by jennformatics Source iNaturalist Associated observations Photos / Sounds What Giant Ragweed (Ambrosia trifida var. trifida) Observer jennformatics Date April 28, 2019 09:42 AM CDT Place Harris, Texas, United States (Google, OSM) Date Added April 29, 2019 12:34 AM CDT Tags giant ragweed 2 IDs Research Grade View Sizes small medium large original