Buellia rorida Hellb.
Lectotype: New Zealand. Napier, on limestone. S. Berggren 166 B2, August 1874, S!
Thallus continuous to areolate, grey-white, smooth to minutely roughened, areolae angular, 0.2-0.5(-1.0) mm diam., saxicolous. Apothecia sessile, scattered, plane to convex, white-pruinose at first then matt, black, carbonaceous and glabrous, margins concolorous with thallus, soon disappearing. Epithecium pale yellow-brown. Hypothecium brownish to yellow-brown. Paraphyses swollen and yellow-brown at apices. Ascospores biseriate, oval to broadly ellipsoid, apices pointed or rounded, straight, not constricted at septum, 12-15 × 5.1-9 µm.
N: Napier. Known only from the type collection but probably more widespread on limestone.
Endemic
