protoparmeliopsis muralis is a waxy looking, pale yellowish green crustose lichen that usually grows in rosettes

rock soil pattern frost geology flooring sand leaf asphalt winter textile freezing wall plant tree protoparmeliopsis muralis waxy looking pale yellowish green crustose lichen grows rosettes amazing apothecia background beautiful beauty biology bodies center closeup color detail disc-like ecology ecosystem environment filled fungi fungus gray green grey grows grunge lichen lichens looking macro muralis mycology natural nature organism organisms outdoor outdoors pattern radiating rock rosette rosettes rough stone surface symbiotic textured white wild yellow