Photo 60335214, (c) Molly Nash Rouzie, some rights reserved (CC BY-NC), uploaded by Molly Nash Rouzie

Attribution © Molly Nash Rouzie some rights reserved Uploaded by mollyopsis Source iNaturalist Associated observations Photos / Sounds 4 photos What Plitt's Rock Shield (Xanthoparmelia plittii) Observer mollyopsis Date January 26, 2020 01:34 PM HST Place Greenwood Heights, Brooklyn, NY, USA (Google, OSM) Date Added January 26, 2020 12:18 PM HST Description Growing on sandstone. Lower surface of central thallus is brown, not black. 4 comments 2 IDs Research Grade View Sizes small medium large original