Arthonia dispersa (Schrad.) Nyl.
Opegrapha dispersa Schrader, Annln Bot. 22: 86 (1797).
Thallus pale grey-brown, shining, rather smooth, indeterminate in irregular patches, corticolous. Ascocarps frequent, slender, dark red-brown to brown, elongate, lirelliform, often in parallel lines or ± scattered, or stellate or irregular. Ascospores obovate-oblong, 1-septate 10-13 × 3-4 µm.
N: Only two collections known. Sine loco, W. Colenso 5143 (BM). Wellington, J. Buchanan (BM). Probably widely distributed on twigs and bark of smooth-barked trees and shrubs.
Cosmopolitan