Photo 3646219, (c) ksandsman, some rights reserved (CC BY), uploaded by ksandsman

Attribution © ksandsman some rights reserved Uploaded by ksandsman Source iNaturalist Associated observations Photos / Sounds What Common Ragweed (Ambrosia artemisiifolia) Observer ksandsman Date May 11, 2016 12:58 PM CDT Place 2502–2568 E 116th St, Chicago, IL, US (Google, OSM) Date Added May 11, 2016 08:03 PM CDT 2 IDs Research Grade View Sizes small medium large original