Kullhemia moriformis
Kullhemia moriformis (Ach.) P. Karst., Meddn Soc. Fauna Flora fenn. 2: 183 (1878) Fig. 1
º Arthonia moriformis Ach., Syn. meth. lich. (Lund): 5 (1814)
Index Fungorum number: IF 156835; Facesoffungi number: FoF 06207
Current name: Strangospora moriformis (Ach.) Stein, in Cohn, Krypt.-Fl. Schlesien (Breslau) 2(2): 176 (1879)
Saprobic on unidentified wood. Sexual morph: Thallus crustose, granular, sometimes scurfy, often sparse to absent, scattered, solitary, superficial, grey to blackish. Apothecia 257–405 µm high × 270–367 µm diam., (x̅ = 327.5 × 310.9 µm, n = 10), biatorine, convex, pulvinate, superficial, gregarious or confluent, black, rarely dull blue-black or black brown, translucent when wet. Apothecial wall 10–19 µm wide, composed of hyaline to pale brown cells of textura angularis. Hymenium layer composed of asci and paraphyses, with a crust-like excipulum above. Paraphyses densely anastomosed. Asci 35–50 µm × 13–18 µm (x̅ = 41.9 × 14.0 µm, n = 10), clavate, multispored, thick-walled with a distinct ocular chamber. Ascospores 1.9–2.3 µm × 1.8–2.4 µm (x̅ = 2.1 × 2.0 µm, n = 10), globose, simple, thin-walled, hyaline. Asexual morph: Undetermined.
Material examined – USA, Minnesota, Tower, on unidentified wood, 29 August 1901, B. Fink (MICH 126713).
Economic significance – The genus Kullhemia consist of lichenized species. There is no molecular data available for the taxon.
Figure 1 – Kullhemia moriformis (MICH 126713) a Details of herbarium material. b Habit and appearance of ascomata on host surface. c Section of ascoma. d Peridium. e Hamathecium. f–k. Asci. l–o Ascospores. Note: e–o stained in lactophenol cotton blue. Scale bars: b = 500 µm, c = 100 µm, d = 50 µm, e, m, n = 5 µm, f–k = 20 µm, l, o = 10 µm.
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