Taxonomic revision of Peperomia (Piperaceae) from Uruguay
Taxonomic notes on feather grasses (Poaceae: Stipa) from eastern Kazakhstan with typification of seven names and one new combination
Commelina catharinensis (Commelinaceae): a narrow endemic and endangered new species from Santa Catarina, southern Brazil
Navarretia crystallina and N. miwukensis (Polemoniaceae): new species endemic to California with affinity for soils derived from pyroclastic deposits
Polygala guilanica (Polygalaceae), a new species from Guilan Province, N Iran
A checklist of the genus Cyanus (Asteraceae, Cardueae) in Turkey, with notes on taxonomy and distribution
A new species of Centaurea sect. Acrocentron (Asteraceae, Cardueae) from Iran