Distobactrodesmium Z.F. Niu, K. Zhang & R.F. Castañeda, gen. nov.

Index Fungorum number: IF557439, Facesoffungi number: FoF

Etymology: Latin, Disto-, referring to the distoseptate conidia, and –bactrodesmium, referring to the genus Bactrodesmium.

Differs from Bactrodesmium by its distoseptate phragmoconidia.

Type species: Bactrodesmium rahmii M.B. Ellis [º Distobactrodesmium rahmii (M.B. Ellis) Z.F. Niu & al.]

Conidiomata on  natural  substrates  sporodochial,  scattered,  pulvinate or irregular, brown to reddish-brown or black. Mycelium superficial and immersed. Stromata rudimentary, textura angularis or globose sometimes present.  Conidiophores  macronematous,  mononematous,  unbranched or with short lateral branches, cylindrical, erect, septate, smooth-walled, hyaline or subhyaline. Conidiogenouscells monoblastic,  integrate or discrete, cylindrical or slightly clavate (sometimes inflated near the conidiogenous loci), determinate (rarely indeterminate with sympodial extensions), hyaline or subhyaline. Conidial secession rhexolytic. Conidia solitary, acrogenous (sometimes acropleurogenous), obovoid to clavate, distoseptate, sometimes with thin oblique or longitudinal septa, smooth, brown to dark brown, with one or two hyaline or subhyaline cells toward the fimbriate base.


  • Bactrodesmium rahmii