Stereocaulaceae Lepraria incana sens lat Growth type leprose Chemical reactions usually negative, UV+ white. Some areas may be K+ purple, Uv+ pale orange Most frequent in eastern Britain, can form large patches on shaded trees, mosses, soil and acidic rocks. Greenish-grey, pale grey or bluish-grey thallus of very small fluffy granules with no clear lobes or white, cottony medulla. Similar: Lepraria lobificans

Lepraria incana sens lat
Parkstone, Dorset. January 2013