Photo 81111, (c) Chris Cook, some rights reserved (CC BY-NC), uploaded by Chris Cook

Attribution © Chris Cook some rights reserved Uploaded by greenrosettas Source iNaturalist Associated observations Photos / Sounds 2 photos What Bristly Oxtongue (Helminthotheca echioides) Observer greenrosettas Date February 5, 2012 Place Oakland, CA, US (Google, OSM) Date Added February 7, 2012 09:23 AM PST Description Non-native to California. 3 IDs Research Grade View Sizes small medium large original