Photo 1963311, (c) Ephraim Zimmerman, some rights reserved (CC BY-NC), uploaded by Ephraim Zimmerman

Attribution © Ephraim Zimmerman some rights reserved Uploaded by ephraimz Source iNaturalist Associated observations Photos / Sounds What Shale Barren Ragwort (Packera antennariifolia) Observer ephraimz Date June 2015 Place Pennsylvania, US (Google, OSM) Date Added June 5, 2015 08:30 PM EDT 3 IDs Research Grade View Sizes small medium large original