Digitodesmium chishuiense J. Yang & K.D. Hyde, sp. nov.

MycoBank number: MB 559448; Index Fungorum number: IF 559448; Facesoffungi number: FoF 12781;

Etymology: referring to the collecting site at Chishui City in Guizhou Province, China.

Holotype: HKAS 124630

Saprobic on decaying wood in freshwater habitats. Asexual morph: Colonies sporodochial, pulvinate, dark brown to black. Mycelium mostly immersed, composed of brown to hyaline, smooth, thin-walled, septate, branched hyphae. Conidiophores macronematous, mononematous, hyaline to pale brown, smooth, thin-walled, unbranched, cylindrical, 3–4 µm, up to 25 µm long. Conidiogenous cells monoblastic, integrated, terminal, determinate, pale brown, or hyaline, smooth, thin-walled. Conidia acrogenous, holoblastic, solitary, cheiroid, mostly consisting of three arms and rarely 4–5 arms arranged discretely, pale brown or pale reddish brown, multi-septate, (25–)27–32(–35) × 16–21(–24) µm ( = 29.5 × 19 µm, n = 60), complanate, with arms closely appressed next to each other when immature and divergent at maturity. Sexual morph: Undetermined.