Photo 118174, (c) Zack Abbey, some rights reserved (CC BY), uploaded by Zack Abbey

Attribution © Zack Abbey some rights reserved Uploaded by zabbey Source iNaturalist Associated observations Photos / Sounds 2 photos What Cobwebby Thistle (Cirsium occidentale) Observer zabbey Date May 17, 2012 Place Simi Valley (Google, OSM) Date Added May 17, 2012 08:20 PM PDT 3 IDs Research Grade View Sizes small medium large original