Bacidia sabuletorum (Schreb.) Lettau
Lichen sabuletorum Schreber, Spic. fl. lips.: 134 (1771).
Thallus thin, granular-verrucose or papillate, grey-white or pale glaucescent, often disappearing, on mosses over calcareous rock. Apothecia convex, immarginate 0.1-0.5 mm diam., dark red-brown to black, matt. Hymenium pale straw or brownish, 75-86 µm tall. Hypothecium dark brown. Ascospores fusiform, 5-7-septate, 22.1-44 × 5.1-8.3 µm., apices rounded or acute.
S: Otago (Green Island - on face of cliffs near Green Island Church, November 13, 1860, W.L. Lindsay, E: Otakaia Bluff, on mica slate rocks, November 13, 1861, W.L. Lindsay, E.).
Cosmopolitan
