Rhamphoriopsis aquimicrospora J. Yang, Jian K. Liu & K.D. Hyde, sp. nov.
MycoBank number: MB 559825; Index Fungorum number: IF 559825; Facesoffungi number: FoF 12836;
Etymology: referring to the aquatic habitat and small conidia of the fungus.
Holotype: HKAS 124633
Saprobic on submerged decaying wood. Asexual morph: Colonies effuse, scattered or in small groups, hairy, visible as solitary, brown conidiophores with white mass of conidia at the apex. Conidiophores macronematous, synnematous, erect, smooth, septate, cylindrical, reddish brown, paler towards the apex, 100–180 µm long, 1.2–2.4 µm wide, compact parallelly forming synnemata which are 135–178 µm long, 5–11 µm wide at middle part, 8.5–20 µm wide near the base, with the terminal of conidiophores splaying out as a flared head. Conidiogenous cells integrated, terminal, polyblastic, pale brown near the base, becoming hyaline towards the apex, smooth-walled, sympodially extending with numerous denticles. Conidia ellipsoidal, aseptate, smooth-walled, hyaline, 2–3.2 × 1.3–2 µm ( = 2.6 × 1.7 µm, n = 50). Sexual morph: Undetermined.