Seychellaria barbata (Triuridaceae), a new species from Marojejy National Park, Madagascar

A new species of Merremia (Convolvulaceae) from São Paulo State, Brazil

Confirmation of Calamagrostis salina in China, previously misidentified as C. macilenta, and notes about C. kokonorica and C. macilenta (Poaceae, Agrostidinae)

Two New Species of Scleria section Hypoporum (Cyperaceae) from Espírito Santo, Brazil

Isodon villosus (Nepetoideae, Lamiaceae), a new species from Guangxi, China

Arabis erecta (Brassicaceae), a new species from Republic of Korea

Onosma ghahremanii sp. nov. (Boraginaceae), a new species from Alborz Mts., Iran

Revisiting the lectotype of Biscutella boetica (Brassicaceae)

Nomenclatural type designation of four Linnaean names in Iris sensu lato (Iridaceae)