Photo 84020442, (c) David Gorsline, some rights reserved (CC BY-NC-SA), uploaded by David Gorsline

Attribution © David Gorsline some rights reserved Uploaded by dgorsline Source iNaturalist Associated observations Photos / Sounds 3 photos What Cup Plant (Silphium perfoliatum) Observer dgorsline Date July 12, 2020 11:46 AM EDT Place Reston, VA, USA (Google, OSM) Date Added July 12, 2020 02:50 PM EDT 2 IDs Research Grade View Sizes small medium large original