Parafusicladium
Parafusicladium Crous, M. Shen & Y. Zhang ter, in Shen et al., Stud. Mycol. 96: 206 (2020).
Index Fungorum number: IF 831513; Facesoffungi number: FoF 12043, 3 morphological species (Species Fungorum 2022), 3 species with molecular data.
Mycelium consisting of pale brown, smooth, branched, septate hyphae. Sexual morph: Unknown. Asexual morph: Conidiophores erect, solitary, subcylindrical, brown to dark brown, septate, sometimes thick-walled, smooth, rarely branched below, sometimes dimorphic. Conidiogenous cells integrated, terminal, rarely lateral, brown, smooth, with several or numerous sympodial denticle-like loci, somewhat thickened and darkened, but not refractive. Conidia sometimes occurring in short chains, straight, cylindrical, subcylindrical, subhyaline to pale brown, smooth, guttulate, mostly uniseptate, ends obtusely rounded; hila somewhat thickened and darkened (adapted from Ho et al. 1999, Crous et al. 2007, 2016).
Type species: Parafusicladium amoenum (R.F. Castañeda & Dugan) Crous, M. Shen & Y. Zhang ter
Notes: Parafusicladium is characterised by erect, solitary, subcylindrical, brown to dark brown conidiophores, brown, smooth conidiogenous cells, numerous sympodial denticle-like loci and cylindrical, subcylindrical, subhyaline to pale brown conidia. Parafusicladium resembles members of Sympoventuriaceae in having sympodial conidiogenous cells and subcylindrical conidia with slightly thickened and darkened hila. In the phylogenetic analysis of Shen et al. (2020) based on ITS, LSU, TEF-1, BTUB and RPB2 sequences, Parafusicladium formed a subclade sister to other genera of Sympoventuriaceae. Parafusicladium is morphologically and phylogenetically a distinct and well-defined genus in Sympoventuriaceae. Molecular markers available for Parafusicladium include ITS, LSU, BTUB, RPB2 and TEF-1.
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