Helicangiospora
Helicangiospora Boonmee, Bhat & K.D. Hyde, in Boonmee et al., Fungal Diversity 68(1): 259 (2014).
Index Fungorum number: IF 550574; Facesoffungi number: FoF 00210, 1 morphological species (Species Fungorum 2022), 1 species with molecular data.
Epiphytes forming black spots. Superficial hyphae at the margin of thyriothecia brown, irregular, appressoria not observed. Sexual morph: Thyriothecia superficial, scattered, rounded to oval, flattened, brown to black, opening by stellate fissures. Upper wall comprising an irregular arrangement of dark cells, cells at margin branching and forming superficial hyphae, basal peridium poorly developed. Hamathecium lacking pseudoparaphyses. Asci 8-spored, bitunicate, fissitunicate dehiscence not observed, thick-walled, saccate to obovoid, sometimes globose, lacking or with a short pedicel, apical region of asci usually with a thick opaque region, ocular chamber not apparent, arranged vertically in thyriothecia. Ascospores 2–3-seriate, fusiform, brown, 3-septate. Asexual morph: Unknown (adapted from Boonmee et al. 2014).
Type species: Helicangiospora lignicola Boonmee, Bhat & K.D. Hyde
Notes: Helicangiospora produces a unique helicoma-like asexual morph in culture. Helicangiospora is morphologically and phylogenetically a distinct and well-defined genus in Tubeufiaceae. Molecular markers available for Helicangiospora are ITS, LSU, SSU, TEF1.
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