Photo 10368974, (c) Conor McMahon, some rights reserved (CC BY-NC), uploaded by Conor McMahon

Attribution © Conor McMahon some rights reserved Uploaded by conormcmahon Source iNaturalist Associated observations Photos / Sounds 2 photos What Smooth Cocklebur (Xanthium strumarium ssp. glabratum) Observer conormcmahon Date September 9, 2017 07:21 PM CDT Place roy guerrero (Google, OSM) Date Added September 10, 2017 06:14 PM CDT 2 IDs Research Grade View Sizes small medium large original