One new species of Achnanthidium Kützing (Bacillariophyta, Achnanthidiaceae) from Tibet, China
Oreocharis hainanensis (Gesneriaceae), a new species from karst regions in Hainan Island, South China
Cynosurus peltieri (Pooideae, Poaceae), a poorly known species endemic to the Algerian-Tunisian terrestrial flora: further insights on its occurrence, IUCN Red List assessment, and lectotypification