Photo 51310, (c) jeneesmith, all rights reserved, uploaded by jeneesmith

Attribution © jeneesmith all rights reserved Uploaded by jeneesmith Source iNaturalist Associated observations Photos / Sounds What Rough Cocklebur (Xanthium strumarium) Observer jeneesmith Date August 23, 2011 Place Santa Teresa St, Stanford, CA (Google, OSM) Date Added August 26, 2011 11:46 PM PDT 3 IDs Research Grade View Sizes small medium large original