Lopadium disciforme (Flot.) Kullh.
Fungi | Ascomycota | Lecanoromycetes | Lecideales | Lopadiaceae | Lopadium | Lopadium disciforme
Quercus mongolica v. grosseserrata
Kushiro, Hokkaido. Ca 2 km N of Miyajima-misaki, Tsurui-mura, Akan-gun.