Heterodermia speciosa - <p><i><b><a href="//commons.wikimedia.org/wiki/Heterodermia_speciosa" title="Heterodermia speciosa">Heterodermia speciosa</a></b></i> (Wulfen) Trevisan, 1868 (photograph of a herbarium specimen) Growing on moss and bark at base of a conifer at Arnott Lake off US-35, Emmet County, Michigan, USA; collected and identified by Richard E. Riefner (No. 81-317, 3 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