Placynthium petersii (Nyl.) Burnham
Fungi | Ascomycota | Lecanoromycetes | Peltigerales | Placynthiaceae | Placynthium | Placynthium petersii
limestone pinnacle
Daniel Boone National Forest, ca. 1.5 mi NW of Cottage Furnace Campground on Forest Service Road 230, ca. 6 mi SSE of Clay City