New species of Pseudostaurosira (Bacillariophyceae) including a tripolar taxon from mountain streams of Central Mexico

Accommodating Haplosphaera in Hansenia (Apiaceae) based on morphological and molecular evidence

Description of Placoneis mologaensis, a new diatom from the Rybinsk reservoir on the Volga River, European Russia

A new synonym of Bulbophyllum ovalifolium (Orchidaceae: Epidendroideae)

Cymbidium brevifolium (Orchidaceae; Epidendroideae), a new species from China: evidence from morphological and molecular data

Clematis hainanensis (Ranunculaceae), described from Hainan in southern China, is merged with C. leschenaultiana

Notes on the lectotype of Tetrapogon roxburghianus (Poaceae: Chloridoideae: Cynodonteae)

Aloe ×engelbrechtii (Asphodelaceae subfam. Alooideae), a new South African nothospecies with A. arborescens and A. hardyi as parents

Stephania kaweesakii (Menispermaceae), a new tuberous species from Thailand