Photo 13046509, (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda

Attribution © Ken-ichi Ueda some rights reserved Uploaded by kueda Source iNaturalist Associated observations Photos / Sounds What Italian Thistle (Carduus pycnocephalus) Observer kueda Date January 20, 2018 01:58 PM PST Place Chamise Trail, Danville, CA 94526, USA (Google, OSM) Date Added January 21, 2018 09:23 PM PST Description Italian thistle? Tags cotyledons 3 IDs Research Grade View Sizes small medium large original