Five new species of Syzygium (Myrtaceae) from Indochina and Thailand

Two new records in Orchidaceae (Vanillinae) from southernmost Colombian Amazonia: Vanilla javieri, a new species, and Vanilla appendiculata

Gomphonema bicepiformis sp. nov., a new diatom species (Bacillariophyta) from a stream in Zhejiang, China

Vera-duthiea zebrina (Asparagaceae, Scilloideae), a new species from eastern South Africa, and a first genus record for southern Africa

Lectotypification of the Linnaean name Arum dracunculus (Araceae)

A new synonym in Pantropical Aspilia (Ecliptinae, Heliantheae, Asteraceae)