Three novel species of Bacillariophyta (Diatoms) belonging to Aulacoseira and Lindavia from the Pliocene Hadar Formation, Afar Depression of Ethiopia

Epidendra Nova Talamancana

Taxonomic studies in the Macrolobium campestre complex (Leguminosae)

Petroplacus gen. nov. (Bacillariophyta): a new genus of diatom from Lake Baikal

Puccinia marrubii (Pucciniaceae), a new rust species on Marrubium globosum subsp. globosum from Niğde and Malatya in Turkey

Taxonomic novelties in Gomidesia clade (Myrcia s.l., Myrtaceae) from the Atlantic Forest of Brazil

Andinia wayqechensis (Orchidaceae), a new species from southern Peru