Phaeographis pleiospora (Zahlbr.) Z.F. Jia & Luecking

Jia, Ze-Feng & Luecking, Robert, 2017, Resolving the genus Phaeographina Muell. Arg. in China, MycoKeys 21, pp. 13-32 : 25

Phaeographis pleiospora (Zahlbr.) Z.F. Jia & Luecking comb. nov.

Phaeographina lecanographa var. pleiospora Bas.: Zahlbr., in Handel-Mazzetti, Symb. Sin. 3: 61, 1930. Type: China. Fujian, Chung 596b (W, holotype!).

Description.

Thallus corticolous, crustose, surface pale grey to yellowish-grey, smooth to slightly rough; apothecia rounded to shortly elongate, erumpent to prominent, usually fissured, single, rarely branched, 1-3 mm long and 0.5-2 mm wide; thalline margin partially exposing the (dark) brown disc; labia inconspicuous; discs opened, brown; proper exciple laterally carbonized; hymenium inspersed; 2-4 ascospores per ascus, brown, ellipsoid to subovate, muriform, 60-80 × 20-30 µm, I–.

Chemistry.

Norstictic acid.

Notes.

This species is distinguished from Phaeographis lecanographa by the smaller ascospores (60-80 × 20-30 µm vs. 85-150 × 25-50 µm).