Allographa trichospora (Vain.) Lücking & Kalb 2018

Kalb, Jutarat, Lücking, Robert & Kalb, Klaus, 2018, The lichen genera Allographa and Graphis (Ascomycota: Ostropales, Graphidaceae) in Thailand-eleven new species, forty-seven new records and a key to all one hundred and fifteen species so far recorded for the country, Phytotaxa 377 (1), pp. 448-450 : 448-450

Allographa trichospora (Vain.) Lücking & Kalb , comb. nov.

Mycobank MB 827670

Basionym: Graphis trichospora Vainio, Ann. Soc. Zool. Bot. Fenn. ‘Vanamo’ 1: 52 (1921).

Type:— THAILAND. Chiang Mai province: Doi Suthep, Hosseus , s.n. (TUR-Vainio 27801!, holotype) .

Thallus corticolous, grey or greenish gray, smooth, corticate, glossy. Lirellae prominent, with a thick lateral and a very thin apical thalline margin, short to elongate, up to 4 mm long, straight, curved or sinuous, irregularly branched, labia convergent, striate, gray-black, disc concealed, not visible from above ( acharii -morph). Exciple apically carbonized; hymenium clear; ascospores 8/ascus, hyaline, transversely ca. 27-septate, 74–96 × 5–6 μm (protologue).

Chemistry: norstictic acid.

Distribution and habitat:—Eastern palaeotropics ( Lücking et al. 2009), reported only from the type locality. It was not present in our collections.

Remarks:—This lichen was not found again after its description. Therefore nothing can be said about the variability of the characters given in the protologue.