Photo 4026591, (c) MariaCristina Carrillo, some rights reserved (CC BY), uploaded by MariaCristina Carrillo

Attribution © MariaCristina Carrillo some rights reserved Uploaded by mariacristina2 Source iNaturalist Associated observations Photos / Sounds 3 photos What Spiny Cocklebur (Xanthium spinosum) Observer mariacristina2 Date June 16, 2016 09:34 AM PDT Place John Muir National Historic Site, Martinez, CA, US (Google, OSM) Date Added June 16, 2016 06:35 AM HST 3 IDs Research Grade View Sizes small medium large original