Neocoleroa
Neocoleroa Petr., Hedwigia 74: 38 (1934).
Index Fungorum number: IF 3446; Facesoffungi number: FoF 06362, 3 morphological species (Species Fungorum 2022), 1 species with molecular data.
Saprobic on dead branches of dicotyledons. Sexual morph: Ascomata superficial, solitary, or scattered, uniloculate, on sparse subiculum, dark brown to black, globose to subglobose, surrounded by dark brown and stiff setae, septate, tapering towards an acute apex, short papillate, with apical ostiole, 20–25 µm diameter. Peridium comprising dark brown cells of textura angularis. Hamathecium comprising numerous, cylindrical, filiform, septate, hyaline pseudoparaphyses. Asci 8-spored, bitunicate, cylindrical-subclavate, saccate to narrowly clavate, sessile or with short pedicel. Ascospores biseriate, narrow ellipsoid-fusiform, oblong to obovate, 1- septate, hyaline. Asexual morph: Unknown (adapted from Boonmee et al. 2017).
Type species: Neocoleroa sibirica Petr.
Notes: Neocoleroa is characterised by ascomata covered by numerous stiff setae, bitunicate asci and 1- septate, hyaline ascospores. Boonmee et al. (2017) placed Neocoleroa in Venturiaceae based on ascomatal and ascospore features. Neocoleroa is morphologically and phylogenetically a distinct and well-defined genus in Venturiaceae. Molecular markers available for Neocoleroa are ITS, LSU, BTUB, RPB2 and TEF-1.
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