Graphis balaghatensis (Adawadkar & Makhia 2005: 388) J. Kalb & Kalb (2017: 146)

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

Graphis balaghatensis (Adawadkar & Makhia 2005: 388) J. Kalb & Kalb (2017: 146) .

Type:— INDIA. Madhya Pradesh, Balaghat district, Chahili , 22 km from Lanji , 26.09.1986, P. G. Patwardhan & P. K. Sethy, 86.614 ( AMH, holotype, photograph seen) .

Thallus corticolous, dark gray to greenish gray, dull. Lirellae prominent to sessile, with a ± complete thalline margin, elongate, curved or sinuous, irregularly branched, 0.5–2 mm long, labia not pruinose, convergent or slightly divergent, entire or ± striate ( balaghatensis -morph), disc closed, rarely narrowly opened, slightly whitish pruinose. Exciple not carbonized; hymenium clear; ascospores (4–) 8/ascus, hyaline, transversely 7–13-septate, 20–50 × 7–8 μm (Thai collections), halonate, 10–14-septate, 33–46 × 6–8 μm (protologue).

Chemistry: norstictic acid (major to minor), stictic acid (major), constictic acid (minor), hypostictic acid (minor) (anal. K. Kalb).

Distribution and habitat:—This species was reported from India (type) and Thailand, Kanchanaburi province (J. Kalb & Kalb 2017). Here, we add three collections from northern Thailand where it is growing on bark of deciduous trees in ± open situations or in a rainforest from 250–1115 m elevation.

Material from Thailand examined:— Chiang Mai province: Chiang Dao district, tambon Chiang Dao, at the edge of Doi Chiang Dao Wildlife Sanctuary , on bark of a ± freestanding deciduous tree along the raod, 510 m, 19°24’13’’ N, 98°55’20’’ E, 2 December 2016, J. & K. Kalb s.n. (hb. K. & J. Kalb 41781); dito, surroundings of Watt Tham Chiang Dao, in a very disturbed, light hill evergreen forest, on bark of an unidentified tree, 440 m, 19°23’43’’ N, 98°55’46’’ E, 2 December 2016, J. & K. Kalb s.n. (hb. K. & J. Kalb 41790); Mae On district , tambon Huai Kaeo, surroundings of Mae Kampong Waterfall, in a tropical rainforest on bark of an unidentified tree, 1115 m, 18°51’33’’ N, 99°21’22’’ E, 13 December 2016, J. & K. Kalb s.n. (hb. K. & J. Kalb 41819) .