Photo 120029434, (c) Michel Langeveld, some rights reserved (CC BY-SA), uploaded by Michel Langeveld

Attribution © Michel Langeveld some rights reserved Uploaded by rudolphous Source iNaturalist Associated observations Photos / Sounds What Stonewall Rim Lichen (Protoparmeliopsis muralis) Observer rudolphous Date April 10, 2021 03:40 PM CEST Place Katwijk, Zuid-Holland, Netherlands (Google, OSM) Date Added April 10, 2021 08:07 PM CEST 2 IDs Research Grade View Sizes small medium large original