Photo 31931382, (c) Rob Curtis, some rights reserved (CC BY-NC-SA), uploaded by Rob Curtis

Attribution © Rob Curtis some rights reserved Uploaded by rcurtis Source iNaturalist Associated observations Photos / Sounds 3 photos What Verrucaria muralis Observer rcurtis Date February 23, 2019 01:12 PM EST Place Cuyahoga Valley National Park, Brecksville, OH, US (Google, OSM) Date Added February 23, 2019 07:16 PM EST 2 IDs Needs ID View Associated taxa CC Verrucaria muralis Info Photo (c) Rob Curtis, some rights reserved (CC BY-NC-SA), uploaded by Rob Curtis Sizes small medium large original