Allographa lumbricina (Vain.) 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 lumbricina (Vain.) Lücking & Kalb , comb. nov.

Mycobank MB 827654

Basionym: Graphis lumbricina Vainio, Beiblatt zur Hedwigia : 38: 256 (1899).

Type:—LESSER ANTILLES [Indias occidentales], Guadeloupe, chemin de la Grande Citerne, sur l’ecorce des Clusia rosea vivants, 1020 m, P. Duss 1036 (TUR-Vainio 27524! lectotype, designated by Wirth & Hale 1978: 20) .

Thallus corticolous, whitish, off-white, greyish to pale bluish gray, continuous, smooth to uneven, distinctly corticate and glossy. Lirellae prominent, with a thin complete thalline margin which may disappear with age and the labia black and glossy, elongate, straight, curved or sinuous, sparsely branched, labia convergent, entire when young, soon becoming striate, disc concealed (lumbricina- morph). Exciple laterally or completely carbonized; hymenium clear; ascospores 8/ascus, hyaline, transversely 13–19-septate, 95–115 × 17–21 μm (Staiger on annotation slip, holotype); 9–15-septate, 50–120 × 12–20 μm ( Wirth & Hale 1978, isotype); 16-septate, 80–92 × 12–20 μm (protologue).

Chemistry: norstictic acid (major), ± connorstictic acid (anal. B. Staiger).

Distribution and habitat:—Reported from Guadeloupe (type locality), Ecuador ( Staiger 2002), Hawaii ( Lücking et al. 2009), and first mentioned from Thailand, Chiang Mai province by Aptroot et al. (2007). It was not present in our collections.

Remarks:—Similar to A. lumbricina is G. elegans , but the latter differs in having smaller ascospores (35–60 × 9–13 μm).