Photo 7313876, (c) Paul Marcum, some rights reserved (CC BY-NC), uploaded by Paul Marcum

Attribution © Paul Marcum some rights reserved Uploaded by sedge Source iNaturalist Associated observations Photos / Sounds What Common Prickly Ash (Zanthoxylum americanum) Observer sedge Date April 6, 2017 09:44 AM -05 Place Madison, WI, USA (Google, OSM) Date Added April 20, 2017 09:51 AM CDT Description Edge of mesic upland forest. 3 IDs Research Grade View Sizes small medium large original