Cylindrohyalospora
Cylindrohyalospora Tennakoon, C.H. Kuo & K.D. Hyde, in Tennakoon et al., Fungal Diversity: 10.1007/s13225-021-00474-w, [54] (2021).
Index Fungorum number: IF 555436; Facesoffungi number: FoF 09327, 1 morphological species (Species Fungorum 2022), 1 species with molecular data.
Saprobic on the upper surface decaying leaves, appearing as small dark brown to black dots. Hyphae superficial, straight to sub straight, dark brown, irregular, easily removed from the host, appressoria not observed. Sexual morph: Unknown. Asexual morph: Pycnothyria superficial, scattered, rounded to oval, fattened, brown to black, opening by stellate fissures. Upper wall comprising an irregular arrangement of dark cells, cells at margin branching and forming superficial hyphae. Conidiogenous cells evanescent. Conidia unicellular, cylindrical with obtuse ends, hyaline, smooth-walled (adapted from Tennakoon et al. 2021).
Type species: Cylindrohyalospora fici Tennakoon, C.H. Kuo & K.D. Hyde
Notes: Cylindrohyalospora is characterised by small dark brown to black dots, superficial, scattered pycnothyria, evanescent conidiogenous cells and unicellular, hyaline, smooth-walled conidia that are cylindrical with obtuse ends. In the phylogenetic analysis of Tennakoon et al. (2021) based on LSU sequence data, Cylindrohyalospora formed a monophyletic clade sister to Melaspileella with high statistical support. The asexual morph of Melaspileella has not been discovered, hence morphological comparison cannot be made. Cylindrohyalospora is morphologically and phylogenetically a distinct and type genus of Cylindrohyalosporaceae. Only LSU sequence data is available for Cylindrohyalospora.
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