Begonia of Vietnam: an updated checklist, including a new species and a new record

Three new species of Tricholomopsis (incertae sedis) from North China based on morphological and molecular data

Notes on the diatom collection of the Natural History Museum, London (BM) V: (a) ‘Stictodiscus manillensis’ nom. nud., (b) Stictodiscus pantocsekii and ‘Stictodiscus pantocsekii var. minor’, (c) a note on the name ‘Stictodiscella’; and (d) some comments on Jósef Pantocsek’s Beiträge zur Kenntnis der Fossilen Bacillarien Ungarns

Hyptis lavoisierifolia, a new species from the noteworthy Hyptis subsect. Pachyphyllae (Lamiaceae—Hyptidinae) endemic to Chapada dos Veadeiros region, Goiás, Brazil

Millettia puerarioides Prain (Fabaceae: Millettieae), a species with cauliflorous inflorescences newly recorded from China

Ardisia pyrotechnica (Primulaceae-Myrsinoideae), a new species from Borneo