Micarea botryoides (Nyl.) Coppins

    Thallus granulose to membranous, very thin, sometimes inconspicuous or evanescent notably on mosses, brown-greenish, brownish, brown-blackish. Apothecia rare, plane becoming convex to globose and sometimes tuberculate, 0.1-0.5 mm diam., black. Pycnidia very abundant, stalked, 0.2-0.5 mm tall, simple or sometimes branched, thorny-like, black with sometimes white apices. Ascospores colourless, ovoid, 0-1 (3)-septate, 8-13 x 2,5-4 µm. Photobiont: green algae. Chemical spot tests negative. In shaded areas on bryophytes covering rocks or at the base of tree trunks in sheltered woodlands. Inconspicuous and usually unnoticed unless specifically searched.*