. . . . "Lecanoromycetes" . . "Physma" . "Collemataceae" . "Fungi" . "Physma byrsaeum" . . "Ascomycota" . . "(Ach.) Tuck. 1882" . . "Physma byrsaeum (Ach.) Tuck. 1882" . . . "Peltigerales" . . .