Oblongohyalospora
Oblongohyalospora Tennakoon, C.H. Kuo & K.D. Hyde, in Tennakoon et al., Fungal Diversity: 10.1007/s13225-021-00474-w, [57] (2021).
Index Fungorum number: IF 555438; Facesoffungi number: FoF 09329, 1 morphological species (Species Fungorum 2022), 1 species with molecular data.
Saprobic on the upper surface of decaying leaves petioles, appearing as small dark brown to black dots. Hyphae superficial, 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, hyaline, distinct 2–3 large guttules, straight or slightly curved, smooth walled (adapted from Tennakoon et al. 2021).
Type species: Oblongohyalospora macarangae Tennakoon, C.H. Kuo & K.D. Hyde
Notes: Oblongohyalospora is characterised by superficial, scattered, rounded to oval pycnothyria, evanescent conidiogenous cells, unicellular, and hyaline conidia with 2–3 large guttules. In the phylogenetic analysis of Tennakoon et al. (2021) based on LSU sequence data, Oblongohyalospora formed an independent lineage between Asterotexaceae and Neobuelliellaceae with strong statistical support. Oblongohyalospora is morphologically and phylogenetically a distinct and type genus of Oblongohyalosporaceae. Only LSU sequence is available for the type species.
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