Monilochaetes alsophilae J. Yang, Jian K. Liu & K.D. Hyde, sp. nov.

MycoBank number: MB 559708; Index Fungorum number: IF 559708; Facesoffungi number: FoF 12821;

Etymology: referring to the host genus Alsophila.

Holotype: HKAS 112601

Saprobic on decaying twig in a freshwater stream. Asexual morph: Colonies on wood effuse, hairy, scattered or aggregated, dark brown, with glistening masses of conidia or chain-like conidia at the apex. Mycelium mostly immersed, composed of septate, smooth, brown to hyaline hyphae. Conidiophores macronematous, mononematous, erect, straight, or slightly flexuous, solitary or aggregated in small groups, cylindrical, tapering towards the apex, smooth-walled, septate, unbranched, dark brown, pale brown to subhyaline at the upper part, 500–800 µm long, 13.5–28.5 µm wide near the base. Conidiogenous cells monophialidic, integrated, usually elongating percurrently with a swallow part, terminal, determinate, subcylindrical, pale brown to subhyaline, 36–62 × 6.2–9.7 µm, with a funneled collarette. Conidia acrogenous, aggregated in slimy masses or in chains, cylindrical-ellipsoidal, broadly rounded at both ends, slightly narrower at the middle part, aseptate, smooth-walled, hyaline, 23–27 × 10.7–14.3 µm ( = 24.5 × 12.5 µm, n = 35), guttulate, thin-walled. Sexual morph: Undetermined.