A new species of Salix (Salicaceae) from Tibet (Xizang), China
Rinorea calcicola (Violaceae), an endangered new species from south-eastern Gabon
Three new araphid diatoms (Bacillariophyta) from the Maritime Antarctic Region
A new cauliflorous white-flowered species of Ouratea (Ochnaceae) from the Brazilian Atlantic Forest
Revision of the Calceolaria tripartita s. l. species complex (Calceolariaceae) using multivariate analyses of morphological characters
Four new species and eighteen lectotypifications of Larnax from Ecuador and Peru and a new synonym of Deprea orinocensis (Solanaceae: Solanoideae, Physalideae)
Eleocharis pseudobulbosa, a new species of Cyperaceae from Southern Brazil (Capão Bonito, São Paulo)
Taxonomic notes on Dutch desmids VI (Streptophyta, Desmidiales): new species, newly described zygospores
A taxonomic survey of the genus Vitis L. (Vitaceae) in Italy, with special reference to Elba Island (Tuscan Archipelago)