Photo 149470702, (c) Katja Schulz, some rights reserved (CC BY), uploaded by Katja Schulz

Attribution © Katja Schulz some rights reserved Uploaded by treegrow Source iNaturalist Associated observations Photos / Sounds 3 photos What Bull Thistle (Cirsium vulgare) Observer treegrow Date August 7, 2021 10:42 AM EDT Place Rock Creek Park, Rock Creek Park, District of Columbia, District of Columbia, United States (Google, OSM) Date Added August 8, 2021 04:01 PM EDT 2 IDs Research Grade View Sizes small medium large original Copyright Katja Schulz