Morphology of Australoneis gen. nov. and A. frenguelliae comb. nov. (Achnanthales, Bacillariophyta) from the Antarctic Peninsula

Seed morphology of Portulaca (Portulacaceae) in Cuba and taxonomic implications

Aquatisphaeria thailandica gen. et sp. nov. (Tetraplosphaeriaceae, Pleosporales) from freshwater habitat in Thailand

Amanita submelleialba sp. nov. in section Amanita from northern Thailand

Polygala guilanica (Polygalaceae), a new species from Guilan Province, N Iran

Strobilanthes bolavenensis, a new species of Acanthaceae from Bolaven Plateau, southern Laos

Taxonomic studies of Araceae in Myanmar II: Typhonium edule, a remarkable new aroid species from Monywa District, Sagaing Region

Hilliardiella oligocephala, the correct name for H. elaeagnoides (Asteraceae: Vernonieae)

Ophiorrhiza nonggangensis, a replacement name for illegitimate name O. loana (R.J. Wang) Razafim. & Rydin (Rubiaceae)

Nomenclature and typification of Rhynchosia suaveolens (Leguminosae)