Photo 32938315, (c) Charley Eiseman, some rights reserved (CC BY-NC), uploaded by Charley Eiseman

Attribution © Charley Eiseman some rights reserved Uploaded by ceiseman Source iNaturalist Associated observations Photos / Sounds 4 photos What Big Bursage (Ambrosia ambrosioides) Observer ceiseman Date November 4, 2012 02:29 PM EST Place Pima County, AZ, USA (Google, OSM) Date Added March 16, 2019 07:09 PM EDT Description Sticky stem. 2 IDs Research Grade View Sizes small medium large original