Photo 255618, (c) Ariel Cooper, some rights reserved (CC BY-NC), uploaded by Ariel Cooper

Attribution © Ariel Cooper some rights reserved Uploaded by arcooper Source iNaturalist Associated observations Photos / Sounds What Crofton Weed (Ageratina adenophora) Observer arcooper Date February 16, 2013 05:40 AM PST Place Claremont Canyon Reg Preserve, Berkeley, California, US (Google, OSM) Date Added February 19, 2013 08:53 AM PST 4 IDs Research Grade View Sizes small medium large original