Basionym Name:Pyrenidium hyalosporum Alstrup, D. Hawksw. & R. Sant., in Alstrup & Hawksworth, Meddr Grønland, Biosc. 31: 56 (1990)
Homotypic synonyms:Zwackhiomacromyces hyalosporus (Alstrup, D. Hawksw. & R. Sant.) Etayo & F. Berger, in Berger & Zimmermann, Herzogia 29(2/1): 263 (2016)