Sardiniella
Sardiniella Linald., A. Alves & A.J.L. Phillips, Mycosphere 7(7): 900 (2016).
Index Fungorum number: IF 817511; Facesoffungi number: FoF 02405, 2 morphological species (Species Fungorum 2022), 2 species with molecular data.
Parasitic on bark and xylem tissues. Sexual morph: Unknown. Asexual morph: Conidiomata pycnidial, ostiolate, solitary, black, globose, uniloculate, thick-walled, with wall composed of brown walled textura angularis. Conidiophores hyaline, smooth, thin-walled, cylindrical to oblong, branched. Conidiogenous cells hyaline, smooth, cylindrical, holoblastic, proliferating percurrently to form annellides. Conidia ovoid to ellipsoid with obtuse ends, thick-walled, sometimes with an irregular/undulate surface, initially hyaline and aseptate, becoming brown and one septate or rarely two septate with age (adapted from Linaldeddu et al. 2016).
Type species: Sardiniella urbana Linaldeddu, A. Alves & A.J.L. Phillips
Notes: Sardiniella morphologically resembles Diplodia and Dothiorella. Sardiniella differs from these genera in that, species of Diplodia show pigmented conidia while still attached to the conidiogenous cell and this character is not present in Sardiniella. Diplodia has thicker conidial wall than Sardiniella and these two genera are phylogenetically distinct. Sardiniella is morphologically and phylogenetically a distinct and well-defined genus in Botryosphaeriaceae. Molecular markers available for Sardiniella are ITS, LSU, BTUB, TEF-1 and RPB2.
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