New combinations for East European species of Sabulina (Caryophyllaceae)
Hieracium purkynei (Asteraceae): an endemic to the Sudetes rediscovered after a century
Hieracium lomniczkianum (Asteraceae), a new species in the H. wiesbaurianum aggregate from the Sudetes in Poland
Rubus lentianus, a new species from Austria and Germany—another piece of the puzzle from a European hotspot of Rubus series Radula
Hieracium umbellonigritum (Asteraceae), a new hybridogenous species from the Sudetes in Poland
Cyphelloporia bialoviesensis (Fungi, Agaricales)—a new genus and species for a giant cyphelloid fungus from Białowieża virgin forest in Poland
Brachysira heteropolaris, a new diatom (Brachysiraceae, Bacillariophyta) species observed in an historic Weissflog slide from Scotland (UK)