Allographa subdussii (Poengs. & Kalb) 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

publication ID	https://doi.org/ 10.11646/phytotaxa.377.1.1
DOI	https://doi.org/10.5281/zenodo.13729179
persistent identifier	https://treatment.plazi.org/id/662D87D2-FF8B-656A-25AF-F92659ED5D7B
treatment provided by	Felipe
scientific name	Allographa subdussii (Poengs. & Kalb) Lücking & Kalb
status	comb. nov.

Treatment

Allographa subdussii (Poengs. & Kalb) Lücking & Kalb View in CoL , comb. nov.

Mycobank MB 827669

Basionym: Graphis subdussii Poengsungnoen & Kalb, Phytotaxa View in CoL 189 (1): 258 (2014).

Type:— THAILAND. Loei province, Phu Luang Wildlife Sanctuary, Khok Nok Kraba Ranger Station , in a lower montane scrub, on bark of an unidentified tree, 1507 m, 17°16’59’’ N, 101°31’39’’ E, 24 June 2008, V GoogleMaps . Poengsungnoen VP 00072 ( RAMK 012915 About RAMK !) .

Thallus corticolous, pale fawn or pale grayish green, continuous, smooth, thinly corticate, dull. Lirellae prominent, with a thick thalline margin, elongate, up to 5 mm long, straight or curved, simple or rarely trifurcately branched, labia convergent, striate, disc concealed, not visible from above, ( marginata -morph). Exciple completely carbonized; hymenium clear; ascospores 2–4/ascus, hyaline, transversely 20–26-septate, 85–170 × 18–30 μm (protologue).

Chemistry: norstictic acid (major).

Distribution and habitat:—So far only known from a few samples from the type locality where it was growing in a lower monatane scrub at ± 1500 m elevation.

It was not present in our collections.

Remarks:—Habitually similar is Allographa marginata , but this species differs in having smaller ascospores (60–120 × 9–18 μm, see above).