Arthonia peraffinis Nyl.
Thallus greyish-green or olivaceous, very thin or white-blotched, smooth, matt, cracked in parts, determinate. Ascocarps sessile to ± innate, black, matt, carbonaceous, subangular-rounded, 0.6-1.5 mm diam., epruinose. Ascospores oval-obovate, 5-septate, 24-32 × 9-12 µm.
N: Wellington, Sine loco. On rough bark. Charles Knight (BM), J. Buchanan (BM).
Paleotropical
