Fuscosporella atrobrunnea L.L. Liu, J. Yang & Z.Y. Liu, sp. nov.

MycoBank number: MB 559707; Index Fungorum number: IF 559707; Facesoffungi number: FoF 12820;

Etymology: referring to the dark brown conidia.

Holotype: GZAAS 20-0435

Saprobic on decaying submerged twigs in freshwater habitats. Asexual morph: Colonies on natural substrate sporodochial, scattered, dark brown to black, glistening. Mycelium partly immersed, partly superficial, composed of septate, pale brown to hyaline hyphae. Conidiophores semi-macronematous, mononematous, hyaline, smooth-walled, 2–4 μm wide. Conidiogenous cells monoblastic, integrated, terminal, globose, subglobose, ellipsoidal or vermiform, hyaline, 16.5–38.5 × 9.5–16 μm ( = 24.5 × 12.5 μm, n = 30). Conidia acrogenous, lying obliquely to horizontally, smooth-walled, broadly ellipsoidal, or somewhat irregular, dark brown, 32–39 × 20–25.5 μm ( = 35.5 × 23 μm, n = 30), with two tightly compact, hyaline to brown, papillate cells at each end, the base bearing conidiogenous cells, another end bearing another hyaline, globose to vermiform cells which produce hyaline hyphae. Sexual morph: Undetermined.