Allographa vestitoides (Fink) 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 vestitoides (Fink) Lücking & Kalb , comb. nov.

Mycobank MB 827672

Basionym: Graphina vestitoides Fink, Mycologia 19 (4): 218 (1927) ≡ Graphis vestitoides (Fink) Staiger (2002: 263) . Type:— PUERTO RICO. Fink 1986 (MICH, holotype).

Fig. 3A .

Thallus corticolous, beige-gray, whitish gray, ashy gray or greenish gray, smooth or minutely roughened, corticate, glossy. Lirellae prominent, with a thick lateral and a thin apical thalline margin (the latter sometimes evanescent), elongate, up to 10 mm long, straight, curved or sinuous, irregularly branched, labia convergent, striate, not visible or gray-black or black, depending on the thalline cover, disc concealed, not visible from above ( acharii -morph). Exciple completely carbonized; hymenium clear; ascospores 4–6/ascus, hyaline, submuriform with one longitudinal septum only in the terminal 1–5 locules, transversely ca. 19–23-septate, 85–100 × 12–16 μm, with distinct gelatinous bonnets at both ends; 14–23-septate, 85–140 × 12–18 μm (protologue).

Chemistry: no lichen substances by TLC (anal. K. Kalb).

Distribution and habitat:—Neotropics and eastern Palaeotropics, reported from Bolivia, Brazil, Costa Rica, Ecuador, Peru ( Kukwa et al. 2013), Puerto Rico (type locality), Taiwan, Singapore ( Aptroot & Sparrius 2008 –present) and here reported for the first time from Thailand where it was collected in a light deciduous forest near a waterfall at 85 m elevation.

Remarks:—It is easy to overlook the longitudinal septa in the terminal locules, but they become more clear when KOH is added to the section.

Material from Thailand examined:— Chumphon province: Pathio district, tambon Chum Kho, surroundings of Tung Yoa Waterfall , in a disturbed, light deciduous forest along a creek, 85 m, 10°46’43’’ N, 99°18’32’’ E, 20 December 2015, J. Sutjaritturakan & K. Kalb s.n. (hb. K. & J. Kalb 41438) .

Figures

FIGURE 3. A. Allographa vestitoides (scale = 1 mm); B. Graphis albocarpa (scale = 0.5 mm); C. Graphis apertella (scale = 0.3 mm); D. Graphis aurita (scale = 0.4 mm); E. Graphis bakeri (scale = 0.4 mm); F. Graphis caesiella (scale = 0.5 mm); G. Graphis capillacea (scale = 0.4 mm); H. Graphis chlorotica (scale = 0.5 mm).