Photo 82656378, (c) S. Zogg, all rights reserved, uploaded by S. Zogg

Attribution © S. Zogg all rights reserved Uploaded by purgatorius Source iNaturalist Associated observations Photos / Sounds 2 photos What Giant Ragweed (Ambrosia trifida) Observer purgatorius Date July 1, 2020 07:31 PM HST Place Houston, TX 77069, USA (Google, OSM) Date Added July 5, 2020 02:12 AM HST 3 IDs Research Grade View Sizes small medium large original