Ranunculus schmalhausenii (section Batrachium, Ranunculaceae), a neglected water crowfoot endemic to Fennoscandia—a case of rapid hybrid speciation in postglacial environment of North Europe

Besleria macropoda (Gesneriaceae): lectotypification, distribution, functional epiphylly and discordant fruit morphology of a rare Costa Rican endemic

Lectotypification of Selaginella tenuissima and S. papagaiensis (Selaginellaceae) with the description of S. monticola

Genetic diversity and morphological variability in Polygonum aviculare s.l. (Polygonaceae) of Iran

A new species of Gastrochilus and new records for the orchids of Nepal

Synura korshikovii sp. nov. (Chrysophyceae, Synurales), a new species from Ukraine

Remarks on the nomenclatural type of Cistus origanifolius Lamarck (Cistaceae)

Dianthus burdurensis (Caryophyllaceae), a new species from South-western Turkey