Collema undulatum - <p><i><b>Collema undulatum</b></i> var. <i><b>granulosum</b></i> Degel., 1954 (photograph of a herbarium specimen taken through a dissecting microscope (x29) showing dark brown to black lobes lacking isidia) Growing on limestone on the shore of Bush Bay, near the picnic area, ca. 6 miles E of Cedarville on M-134, Mackinac County, Michigan, USA; collected and identified by Richard E. Riefner (No. 81-409, 7 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
Gorges de Daluis - Jujols - Nohedes