Zaanenomyces Crous & Osieck, gen. nov.

MycoBank number: MB 841804; Index Fungorum number: IF 841804; Facesoffungi number: FoF;

Etymology:  Named for Mieke Zaanen LL.M., who was the Director General of the Royal Dutch Academy of Arts and Sciences (Feb. 2015 – July 2021), and overall responsible for the day-to-day management of the Academy. During this period, she also oversaw the expansion of the research infrastructure and rebranding of the Centraalbureau voor Schimmelcultures to the present Westerdijk Fungal Biodiversity Institute (WI).

Classification:Tubeufiaceae, Tubeufiales, Dothideomy­ cetes.

Mycelium consisting of hyaline, smooth-walled, branched, septate hyphae. Conidiophores solitary, arising from superficial mycelium, erect, subcylindrical, unbranched, brown, smooth- walled, septate; base swollen or with rhizoids, conidiophore with or without brown nodulose swellings, thick-walled. Co­ nidiogenous cells terminal, integrated, forming a rachis with pimple-like denticles, slightly thickened and darkened, not refractive. Conidia solitary, forming a dry mass at apex, narrowly obclavate, straight to flexuous, apex subobtuse, base obconically truncate, septate, hyaline, smooth-walled, guttulate, hilum thickened and darkened.

Type species: Zaanenomyces quadripartis Crous & Osieck