Tainosphaeriella aquatica (X.D. Yu, C.X. Li & H. Zhang) Réblová & Hern.-Restr., Journal of Fungi 7(12, no. 1097): 90 (2021)

MycoBank number: MB 842224; Index Fungorum number: IF 842224; Facesoffungi number: FoF 12818;

Basionym: Tainosphaeria aquatica X.D. Yu, C.X. Li & H. Zhang, Phytotaxa 509: 60. 2021.

Saprobic on decaying twig in a freshwater stream. Asexual morph: Colonies effuse, hairy, scattered, or aggregated, brown, with glistening conidial masses. Mycelium composed of mostly immersed, hyaline to pale brown, septate hyphae. Conidiophores macronematous, mononematous, erect, straight, or slightly flexuous, cylindrical, narrower at the apex, smooth, septate, unbranched, light brown, paler towards the apex, 80–140 × 3.3–4.1 µm ( = 110 × 3.6 µm, n = 20). Conidiogenous cells monophialidic, integrated, sometimes percurrently proliferating, terminal, determinate, subcylindrical, pale brown to hyaline, 28–56 × 3.2–4.4 µm, with a funnel-shaped collarette 3.2–4 µm wide and 1.5–1.8 µm high. Conidia acrogenous, aggregated in slimy masses, allantoid or cylindrical, gently curved, 0–3-septate, smooth, guttulate, hyaline, (20–)26.5–31.5 × 3–4.5 µm ( = 27.5 × 3.8 µm, n = 20), thin-walled, with 19–24 μm long filiform appendages at both ends. Sexual morph: Undetermined.