DIATOMS (BACILLARIOPHYTA) FROM ARTIFICIAL SUBSTRATES AND SEDIMENTS IN THE CARIBBEAN SEA OFF YUCATAN, MEXICO
Onobrychis maassoumii (Fabaceae-Hedysareae), a new species from Iran
A re-evaluated taxon: Genetic values and morphological characters support the recognition of the Canary Island juniper of the phoenicea group at a specific level
Two new species in Hieracium sect. Alpina (Asteraceae) from the Eastern Carpathians in Poland
Eulejeunea crenulata Schiffn., a new synonym of Lejeunea umbilicata (Lejeuneaceae, Marchantiophyta)
Emerging from the flow of time: lectotypification of the name Zannichellia peltata Bertol. (Potamogetonaceae) and its taxonomic history
