Nimesporella riisgaardii W.P. Wu & Y.Z. Diao, Fungal Divers (2022) in press

MycoBank number: MB 841570; Index Fungorum number: IF 841570; Facesoffungi number: FoF 12813;

Saprobic on submerged decaying wood. Asexual morph: Colonies on wood effuse, hairy, scattered or in small group, dark brown, with glistening white conidial masses at the upper part of conidiophores. Mycelium mostly immersed, composed of septate, pale brown to hyaline hyphae. Conidiophores macronematous, mononematous, erect, solitary, straight or slightly flexuous, cylindrical, smooth-walled, septate, unbranched, dark brown, paler towards the apex, guttulate, rounded at the apex, 160–280 × 4.7–6.5 µm ( = 210 × 5.4 µm, n = 15). Conidiogenous cells polyphalidic, integrated, sympodial, terminal and intercalary, determinate, pale brown to hyaline, guttulate, with funnel-shaped collarettes. Conidia acropleurogenous, aggregated in slimy masses at the upper half part of the conidiophore, fusiform, hyaline, aseptate, 17.8–23.5 × 6.5–10 µm ( = 20.6 × 7.9 µm, n = 40), guttulate, smooth, thin-walled, with 6.3–9.3 μm long hair-like appendages at both ends. Sexual morph: Undetermined.