Xanthoparmelia cumberlandiandia. These lichens may be immortal. See the New YoK Times article: nyti.ms/VtDY79 . Photographed at Point Reyes National Seashore.
Kohler's Medizinal-Pflanzen in naturgetreuen Abbildungen mit kurz erlauterndem Texte :.Gera-Untermhaus :Fr. Eugen Kohler,[1883-1914].biodiversitylibrary.org/page/303706
Mainly found in cold and temperate climates, but also in high tropical paramos. Photo from the Chuchilla de San Lorenzo of the Santa Marta Mountains, northeastern Colombia.
Ramalina menziesiilace lichen. Designated as California State Lichen, July 15, 2015. Ranges from Central Baja north to Alaska. Often specatular displays in coastal oak woodlands during the winter months. Photographed in Pope Valley, Napa County, CA.
Beard lichen, Usnea lapponica. Maine, 28th November 2008, mixed coastal forest. The identification by Bob Andersen (thanks Bob) is tentative and I would welcome confirmation or correction
British soldiers lichen, Cladonia cristatella. Maine, 28th November 2008, mixed coastal forest. The identification by Bob Andersen (thanks Bob) is tentative and I would welcome confirmation or correction