macro photography of moss in a cork oak branch. this lichen causes the disease of commonly known as la seca and finally origin the

bark birch botany branch cinnamomi cork death detail disease dry fagaceae forest fungi furfuracea green growth herb herbal isolated lichen life linden macro maple moss mushroom natural nature oak parasite parasitic parmeliaceae pattern phytophthora plant portion pseudevernia quercus rough seca suber surface symbiosis tree trunk white wood wooden