Fuscohilum
Fuscohilum Crous, M. Shen & Y. Zhang ter, in Shen et al., Stud. Mycol. 96: 200 (2020).
Index Fungorum number: IF 831514; Facesoffungi number: FoF 12036, 1 morphological species (Species Fungorum 2022), 1 species with molecular data.
Mycelium consisting of smooth to finely roughened, pale to medium brown, branched, septate hyphae, sometimes frequently forming hyphal coils. Sexual morph: Unknown. Asexual morph: Conidiophores reduced to conidiogenous cells that are terminal or lateral on hyphae, medium brown, smooth, cylindrical or subcylindrical, erect to subdenticulate, or more distinct, mono- to polyblastic; conidiogenous loci flat-tipped, somewhat darkened and thickened, but not refractive. Ramoconidia present, aseptate or septate. Conidia formed in branched or unbranched chains, pale to medium brown, smooth, subcylindrical, 0–3-septate, slightly tapering towards the subtruncate ends, straight, but at times slightly curved; hila somewhat darkened and thickened, not refractive (adapted from Crous et al. 2007b, Koukol 2010).
Type species: Fuscohilum rhodense (Crous & M.J. Wingf.) Crous, M. Shen & Y. Zhang ter
Notes: Fuscohilum is characterised by medium brown cylindrical or subcylindrical conidiophores, aseptate or septate ramoconidia, and subcylindrical, 0–3-septate conidia with hila somewhat darkened and thickened, not refractive. The sexual morph is unknown. In the multi-gene phylogenetic analysis based on ITS, LSU, TEF-1, BTUB and RPB2 sequences, two species F. rhodense and F. sicilianum formed a separate and well-defined lineage in Sympoventuriaceae. Molecular markers available for Fuscohilum includes ITS, LSU, SSU, BTUB, RPB2 and TEF-1.
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