Allographa hossei (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

publication ID	https://doi.org/ 10.11646/phytotaxa.377.1.1
DOI	https://doi.org/10.5281/zenodo.13729153
persistent identifier	https://treatment.plazi.org/id/662D87D2-FF83-6561-25AF-FAAA595D543B
treatment provided by	Felipe
scientific name	Allographa hossei (Vain.) Lücking & Kalb
status	comb. nov.

Treatment

Allographa hossei (Vain.) Lücking & Kalb View in CoL , comb. nov.

Mycobank MB 827652

Basionym: Graphis hossei Vainio, Ann. Soc. Zool. Bot. Fenn. View in CoL ‘Vanamo’ 1: 54 (1921).

Type:— THAILAND. Chiang Mai: Doi Suthep , ad corticem arboris, 1875 m, 1904, C. C. Hosseus (TUR-Vainio 27806!, lectotype, designated by Lücking et al. 2009: 393) .

Thallus corticolous, whitish-gray to greenish gray, smooth, dull. Lirellae prominent, with a basal (to lateral) thalline margin, elongate, straight, curved or sinuose, unbranched or irregularly branched, labia convergent or partly divergent, not pruinose or slightly whitish pruinose along the slit, entire ( hossei -morph), disc usually not or rarely visible from above. Exciple laterally to almost completely carbonized; hymenium clear; ascospores (2–) 4–8/ascus, hyaline, with 11–17 transverse septa, 50–110 × 8–14 μm ( Lücking et al. 2009, lectotype); 13–14-septate, 50–67 × 10–11 μm (protologue).

Chemistry: no lichen substances by TLC ( Lücking et al. 2009).

Distribution and habitat:—Palaeotropical, corticolous between 1200 and 2100 m.

Remarks:—Despite collected in various Southeast-Asian countries ( Philippines as G. nematodiza Vain. , China as G. bifera var. cinerea Zahlbr. and G. connectens Zahlbr. , Java as G. psidii Groenh. (all synonyms from Lücking et al. 2009) this is obviously a rare species in Thailand. No further collections are published since its description, but we have studied a specimen from Loei province, collected by V. Poengsungnoen and preserved in RAMK.

Material from Thailand examined:—see lectotype — Loei province: Phu Luang Wildlife Sanctuary, ‘ Khok Promahchan’ area, Khok Nok Kraba Ranger Station , on trunks of an unidentified tree, 2008, V . Poengsungnoen, ( RAMK 12801 About RAMK ) .