Platythecium pyrrhochroum (Mont. & Bosch) Z.F. Jia & Luecking

Jia, Ze-Feng & Luecking, Robert, 2017, Resolving the genus Phaeographina Muell. Arg. in China, MycoKeys 21, pp. 13-32 : 26

Platythecium pyrrhochroum (Mont. & Bosch) Z.F. Jia & Luecking comb. nov.

Phaeographina pyrrhochroa Bas.: (Mont. et Bosch) Zahlbr., Cat. Lich. Univers. 8: 218, 1928; Ustalia pyrrhochroa Mont. et Bosch, in Montagne, Syll. Gen. sp. Crypt. (Paris): 352, 1856. Type: Indonesia, Java, Junghuhn s.n. (PC, holotype!).

Platythecium dimorphodes = (Nyl.) Staiger, Biblthca Lichenol. 85: 383, 2002; Graphis dimorphodes Nyl., Trans. Linn. Soc. London 27: 176, 1869. Type: Sri Lanka, Thwaites C. 23 (H-NYL 7812, holotype!).

Description.

Thallus corticolous, crustose, surface whitish to yellowish, smooth to minutely roughened; apothecia lirelliform, sessile, elongate, single to branched, 1-5 mm long and 0.3-0.4 mm wide; labia inconspicuously striate, thalline margin whitish, concolorous with the thallus; discs closed, or slit-like; proper exciple uncarbonized, pale-brownish; hymenium clear; 2-4 ascospores per ascus, brownish, oblong, densely muriform, 28-60 × 10-17 µm.

Chemistry.

Norstictic acid.

Notes.

As stated above, this name is synonymous with Platythecium dimorphodes (Nyl.) Staiger and unfortunately provides an earlier epithet for it.