Laboulbeniomycetes (Fungi, Ascomycota) of Denmark Author Santamaria, Sergi Unitat de Botànica, Departament de Biologia Animal, de Biologia Vegetal i d’Ecologia, Facultat de Biociències, Universitat Autònoma de Barcelona, 08193 Cerdanyola del Vallès (Barcelona), Spain. sergi.santamaria@uab.cat Author Pedersen, Jan Natural History Museum of Denmark (Zoological Museum), University of Copenhagen, Universitetsparken 15, 2100 København Ø, Denmark. japedersen@snm.ku.dk text European Journal of Taxonomy 2021 2021-11-26 781 1 425 http://dx.doi.org/10.5852/ejt.2021.781.1583 journal article 10.5852/ejt.2021.781.1583 2118-9773 5828924 Genus Amorphomyces Thaxt. MB#160 Proceedings of the American Academy of Arts and Sciences 28: 158 ( Thaxter 1893 ) . – Type species: A. falagriae Thaxt. Brief description Dioecious. Male thalli consisting of three superposed cells, the uppermost functioning as a single antheridium. Female thalli consisting of a two-celled receptacle, a perithecium and a two-celled primary appendage which usually is vestigial and concealed inside the perithecium or rarely free and distinguishable but very inconspicuous. Perithecium with 4–5 cells in each vertical row of outer wall cells. Remarks The genus consists of 11 species, of which four in Europe, one in Denmark . The most recently described species is A. hernandoi ( Santamaria 2000 ) . Amorphomyces italicus Speg. is the unique species of the genus where the primary appendage is visible outside the perithecium ( Santamaria 2000 ).