Photo 96875963, (c) amytsnyder, some rights reserved (CC BY-NC)

Attribution © amytsnyder some rights reserved Uploaded by amytsnyder Source iNaturalist Associated observations Photos / Sounds What White Snakeroot (Ageratina altissima) Observer amytsnyder Date September 23, 2020 12:21 PM EDT Place Rock Creek Regional Park, Derwood, MD, US (Google, OSM) Date Added September 24, 2020 02:14 AM UTC 2 IDs Research Grade View Sizes small medium large original