Fuscocatenula variegata (H.H. Li & X.G. Zhang) Réblová & A.N. Mill., MycoKeys 31: 31, 2021
MycoBank number: MB 839470; Index Fungorum number: IF 839470; Facesoffungi number: FoF 12810; Fig. 62
Basionym: Catenularia variegata H.H. Li & X.G. Zhang, Mycotaxon 132: 621, 2017.
Saprobic on decaying twig in a freshwater stream. Asexual morph: Colonies effuse, hairy, scattered or aggregated, dark brown, with glistening conidial masses or chain-like conidia. Mycelium mostly immersed, composed of brown, septate hyphae. Conidiophores macronematous, mononematous, erect, straight, or slightly flexuous, solitary or aggregated in small groups, cylindrical, smooth, septate, unbranched, dark brown, paler towards the apex, (135–)165–210(–230) × 4.3–6.9 µm ( = 183 × 5.5 µm, n = 20), constricted at the percurrent portion. Conidiogenous cells monophialidic, integrated, with percurrent proliferating, terminal, determinate, subcylindrical, pale brown to subhyaline, (15–)24–36(–45) × 5.2–8 µm ( = 30 × 6.2 µm, n = 20), with a funneled collarette 3.9–4.8 µm wide, 3.2–5 µm high. Conidia acrogenous, arranged in chains, obovoid to pyriform, truncated at the base, aseptate, smooth, guttulate, hyaline to pale brown, 7.6–11.5 × 5.5–8 µm ( = 10 × 6.7 µm, n = 60). Sexual morph: Undetermined.