Allographa daintreensis (A. W. Archer) Lücking & Kalb

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 daintreensis (A. W. Archer) Lücking & Kalb Fig. 2C .

Syn.: Graphina daintreensis A. W. Archer (2001: 164)

Type:— AUSTRALIA. Queensland: Daintree River National Park, Mossman Gorge , Rex Creek , 5 December 1990, H. Streiman 45823 ( CANB!, holotype) .

Thallus corticolous, off-white to greenish gray, smooth, dull. Lirellae prominent, with a basal thalline margin, elongate, straight, curved or sinuose, usually unbranched or rarely sparsely branched, up to 3 mm long, labia convergent, entire, disc not visible from above ( hossei -morph). Exciple laterally or sometimes completely carbonized; hymenium clear; ascospores 1/ascus, hyaline, richly muriform, 90–100 × 20–30 μm, 55–92 × 16–32 μm (protologue).

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

Distribution and habitat:—This rare species is reported from Africa ( Joshi et al. 2016), Papua New Guinea ( Aptroot & Sparrius 2008 –present) and from Australia (Archer 2001). Here it is reported from Thailand for the first time.

Remarks:—Very similar is Graphis hiascens (Fée) Nyl. , but this species differs in producing norstictic acid and in having larger ascospores (120 × 35 μm).

Material from Thailand examined:— Trang province: Yantakhao district, tambon Thung Khai, edge of Peninsular Botanic Garden Thung Khai , in remnants of a tropical rainforest on bark of an unidentified tree, 25 m, 7°28’05’’ N, 99°38’19’’ E, 17 December 2016, J. & K. Kalb (hb. K. & J. Kalb 42065) .

Figures

FIGURE 2. A. Allographa aquilonia (scale = 1 mm); B. Allographa atrocelatoides (scale = 1 mm); C. Allographa daintreensis (scale = 0.5 mm); D. Allographa elongata (scale = 0.5 mm); E. Allographa kansriana; inlet showing end of a terminally muriform ascospore with a gelatinuous cap (scale = 0.3 mm; scale inlet = 3 μm); F. Allographa macella (scale = 0.5 mm); G. Allographa schummii (scale = 0.5 mm); H. Allographa sitianoides (scale = 0.4 mm).