Language: English
Seventeen species of the Helotiales belonging to four families, Dermateaceae, Helotiaceae, Hyaloscyphaceae and Lachnaceae are described. Each taxon is illustrated by one or more colour photographs and black-and-white line drawings of microscopic details. A new genus of the Dermateaceae, Lasiomollisia Raitv. & Vesterh. is described with a new species Lasimollisia phalaridis Raitv. & Vesterh. Trichopeziza iberica (Lachnaceae) is another new species described. Two new combinations, Incrucipulum densiseptatum (Raitv. & R. Galán) Raitv. and Incrucipulum saccardoi: (Raitv. & Sacconi) Raitv., are proposed. Another species described are Belonopsis retincola, Calloria neglecta, Dennisiodiscus prasinus, Micropeziza poae, Bisporella scolochloae, Amicodisca svrcekii, Amicodisca virella, Cistella albidolutea, Cistella lagenipila, Hyalopeziza corticicola, Phaeoscypha cladii, Incrucipulum sulphurellum, Trichopeziza litoralis and Trichopeziza subsulphurea.