A revised typification of Jasione corymbosa and J. glabra (Campanulaceae) from the Western Mediterranean area
Further studies in Viola Sect. Melanium (Violaceae). Identity and typification of Viola nana and V. henriquesii, two neglected European Atlantic taxa
Two new Terfezia species from Southern Europe
Typification of names in the genus Thymus (Lamiaceae)
Revision of herbarium specimens of freshwater Enteromorpha-like Ulva (Ulvaceae, Chlorophyta) collected from Central Europe during the years 1849–1959
Taxonomic revision and distribution of Erigeron acris s. l. (Asteraceae) in Poland
Revision of the Verrucaria elaeomelaena species complex and morphologically similar freshwater lichens (Verrucariaceae, Ascomycota)
Rubus gayeri and Rubus slavonicus, two new species of Rubus ser. Micantes (Rosaceae) from Central and South-Eastern Europe