Dermatocarpon cinereum (Pers.) Th.Fr.
Endocarpon cinereum Pers., Annln Bot. 1: 28 (1794).
Thallus greyish-white to brown-grey, greenish-white at margins, squamulose, squamules dark below with a few rhizines, or overlapping and usually ± crustose or diffract-areolate. Perithecia immersed, with a brown wall. Ascospores oblong-ellipsoid, granular, simple or spuriously 1-septate, 18-22 × (5-)8-11 µm.
S: Canterbury (Cass, Godley Valley, Castle Hill), Otago (Old Man Ra.). On alpine and subalpine soils, or on wet rocks, often on soils at base of limestone outcrops. Still very much undercollected in New Zealand.
Bipolar