Photo 35491243, (c) Mike B, some rights reserved (CC BY-SA), uploaded by Mike B

Attribution © Mike B some rights reserved Uploaded by taco2000 Source iNaturalist Associated observations Photos / Sounds What Field Penny-Cress (Thlaspi arvense) Observer taco2000 Date April 22, 2019 11:18 AM CDT Place Millennium Park, Chicago, IL, US (Google, OSM) Date Added April 22, 2019 01:42 PM CDT 2 IDs Research Grade View Sizes small medium large original