Nelson, Peter R.; Kepler, Ryan; Walton, James; Fankhauser, John; Nelson, Laura; Song, Wang Li (The American Bryological and Lichenological Society, Inc., 2012-11-15)
Parmelina quercina is a well-studied foliose macro-lichen found on rocks and trees in the Northern Hemisphere. Recent studies support multiple species within P. quercina based on material from Europe, North America and w ...