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 Author Kalb, Jutarat Lichenological Institute Neumarkt, Im Tal 12, D- 92318 Neumarkt, Germany. Email: saieeuu 10 @ gmail. com saieeuu10@gmail.com Author Lücking, Robert Botanic Garden & Botanical Museum, Königin-Luise-Strasse 6 - 8,14195 Berlin, Germany. Email: r. luecking @ bgbm. org r.luecking@bgbm.org Author Kalb, Klaus Lichenological Institute Neumarkt, Im Tal 12, D- 92318 Neumarkt, Germany. Email: saieeuu 10 @ gmail. com & University of Regensburg, Institute of Plant Sciences, Universitätsstrasse 31, D- 93040 Regensburg, Germany. * Corresponding author-email: klaus. kalb @ arcor. de saieeuu10@gmail.com text Phytotaxa 2018 2018-11-23 377 1 448 450 http://dx.doi.org/10.11646/phytotaxa.377.1.1 journal article 10.11646/phytotaxa.377.1.1 1179-3163 13728852 * Graphis chlorotica A. Massal. , in: Krempelhuber (1871: 865) . Type :—AMBOINA [ Ambon ], an Baumrinden , 1857, Doleschall s.n. (W, not seen) . Fig. 3H . Thallus corticolous, beige or greenish yellow, continuous, smooth, slightly glossy or dull. Lirellae immersed to distinctly erumpent, with a lateral thalline margin, short to elongate, straight, curved or sinuose, sparsely to radiately branched, labia convergent, striate, black, not pruinose, disc not visible from above, ( tenella -morph). Exciple apically carbonized; hymenium clear; ascospores 8/ascus, hyaline, transversely septate, 7–11-septate, 35–47 × 7–10 μm, 5–11- septate, 33–38 × 5–6 μm (protologue), 9–13-septate, 33–45 × 5–8 μm ( holotype , Lücking 2009). Chemistry: no lichen substances detected by TLC (anal. K. Kalb) Distribution and habitat :—Neotropical and eastern palaeotropical, reported from Costa Rica ( Lücking et al. 2008 ), Ambon ( type ), Australia , Philippines ( Lücking et al. 2009 ) and here reported from Thailand for the first time. Remarks :—The spores in our collections are slightly broader than in the other specimens, but this may well reflect the normal variation within this species. Material from Thailand examined :— Ranong province , area of Ban Heownumsai along side road from Phetkasem Road ( Road #4) to Ton Petch Waterfall ( Rainbow Waterfall ), ca. 30 km S of Ranong city, in a palm tree plantation, 20 m , 09°43’28’’ N , 98°36’52’’ E , 6 June 2015 , J. Sutjaritturakan & K. Kalb (hb. K. Kalb 41473), dito, Pungaban Waterfall, at Petkasem Road (Road # 4), ca. 25 km NNE of Ranong City, at the parking areae opposite of the waterfall, on bark of freestanding deciduous tress, 95 m , 10°03’66’’ N, 98°40’10’’ E , 6 June 2015 , J. Sutjaritturakan & K. Kalb (hb. K. Kalb 41491) .