Terete Skin Lichen

Species recognized by United Kingdom Species List, North Pacific Species List, North Atlantic Species List, Slovenia Species List, Sweden Species List, Delete- old US Species List, Poland Species List, Portugal Species List, Ireland Species List, Italy Species List, France Species List, Finland Species List, Estonia Species List, Germany Species List, Greece Species List, Croatia Species List, Andorra Species List, Austria Species List, Australia Species List, Norway Species List, Syria Species List, Canada Species List, Japan Species List, Russia Species List, and Wikidata

Recognized by CalPhotos in DwC-A and BioImages, the virtual fieldguide, UK

Recognized by USDA PLANTS images

Species recognized by United States Species List and Wikimedia Commons