Cyphelium tigillare - <p><i><b><a href="//commons.wikimedia.org/wiki/Cyphelium_tigillare" title="Cyphelium tigillare">Cyphelium tigillare</a></b></i> (Ach.) Ach., 1815 (photograph of a herbarium specimen taken through a dissecting microscope (x40) showing the yellow thallus and black apothecia) Growing on an old cedar fence post, W side of Missuir Road, S of M-68, Emmet County, Michigan, USA; collected and identified by Richard E. Riefner (No. 81-570, 26 Jul 1981); specimen is now in the Lichen Herbarium of the New York Botanical Garden. </p> © Ed Uebel - CC-BY-SA-3.0 - Wikimedia Commons
Jujols - Mantet - Nohedes - Vallée d'Eyne