Graphis aphaneomicrospora (Makhija & Adawadkar) J. Kalb & Kalb, 2017

Kalb, Jutarat & Kalb, Klaus, 2017, New lichen species from Thailand, new combinations and new additions to the Thai lichen biota, Phytotaxa 332 (2), pp. 141-156 : 145

Graphis aphaneomicrospora (Makhija & Adawadkar) J. Kalb & Kalb , comb. nov. ( Fig. 1G )

Mycobank MB823627

Basionym:— Hemithecium aphaneomicrosporum Makhija & Adaw. in Makhija et al., Mycotaxon 91: 348 (2005).

This species is characterized by a grey to brownish grey thallus, prominent lirellae with a complete thalline cover and a slit-like disc, 7–9-trans-septate amyloid ascospores, 20–35 × 5–7 μm and presence of substances of the stictic acid complex.

Distribution and habitat:—The species is known from the Andaman Islands and Fiji and is here reported for Thailand. It is growing on bark of a deciduous tree in a lowland rainforest along a rivulet in the easternmost province along the Thai coast at 100 m.

Material from Thailand examined:— Trat province: Mueang district ; Saphan Hin waterfall near Tumbol Laem Klat, in remnants of a disturbed lowland tropical rainforest, 100 m, 12°06’12’’ N, 102°42’44’’ E, 26 February 2011, K. Kalb et al. 38887 (Hb. K. Kalb).

Remarks:—This specimen was sequenced and published in Rivas Plata et al. (2012) but not included in the lichen checklist for Thailand ( Buaruang et al. 2017).

Figures

FIGURE 1. A. Acanthothecis consocians (J.S. & K.K., KK37067; scale 0.5 mm); B. Caloplaca bassiae (J.K. & K.K, KJK 41911; scale 0.4 mm); C. Chapsa pulchra (K.K. et al., KK 39153; scale 0.5 mm); D. Constrictolumina leucostoma (K.K. et al., KK 40863; scale 0.5 mm); E. Allographa stictilabiata, section through ascoma showing the striate exciple (scale 100 μm); F. Allographa stictilabiata (K.K. & Poengsungnoen, KK 38768; scale 1 mm); G. Graphis aphaneomicrospora (K.K. et al., KK 38387; scale 0.8 mm); H. Graphis balaghatensis (J.S. & K.K., KJK 41380; scale 0.5 mm).