Rosasphaeria
Rosasphaeria Jaklitsch & Voglmayr, Fungal Diversity 52(1): 93 (2012)
Hypocreomycetidae, Hypocreales, Niessliaceae, Rosasphaeria
Index Fungorum number: IF 561139; 1 species with sequence data.
Saprobic on twigs of Rosa. Sexual morph: Ascomata perithecial, solitary or scattered, immersed, pyriform to subglobose, black, membranaceous, glabrous, ostiolate, periphysate. Peridium composed of membranaceous, brown to hyaline cells of textura angularis to textura prismatica. Paraphyses absent. Asci 8-spored, unitunicate, cylindrical to clavate, pedicellate or sessile, apex rounded, apical ring indistinct, evanescent. Ascospores bi-seriate, hyaline, cylindrical to fusiform, straight or slightly curved, 1-septate, smooth-walled, guttulate. Asexual morph: Hyphomycetous. Mycelium white to orange, superficial, effused. Conidiophores mononematous, macronematous, hyaline, unbranched, cylindrical to oblong, aseptate. Conidia terminal, cylindrical, usually curved, 1-septate, hyaline, smooth-walled, guttulate (copied from Huang et al. 2021).
Type species: Rosasphaeria moravica (Petr.) Jaklitsch & Voglmayr, Fungal Diversity 52(1): 93 (2012)
Notes: The monotypic Rosasphaeria was established by Jaklitsch & Voglmayr (2012) based on Stigmatea moravica. This genus was placed in Niessliaceae based on phylogenetic result (Jaklitsch & Voglmayr 2012). In the study by Huang et al. (2021), Rosasphaeria is sister to Neoeucasphaeria in the phylogenetic tree, differing from the latter that has ellipsoidal, aseptate and hyaline conidia (Crous et al. 2018) (copied from Huang et al. 2021).
Species illustrated in this entry:
Rosasphaeria moravica (Petr.) Jaklitsch & Voglmayr
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