A revision and recircumscription of Begonia Section Pilderia including one new species

Dichanthelium multiglandulosum (Paniceae, Panicoideae, Poaceae) a new species from Jalisco, Mexico and the reestablishment of Panicum transiens as Dichanthelium transiens

Bredia changii, a new species of Melastomataceae from Jiangxi, China

Description of a tropical new species of Wilmottia (Oscillatoriales, Cyanobacteria) and considerations about the monophyly of W. murrayi

Four new Myrtaceae from Amazonian Brazil

Notes on taxonomy and nomenclature of the F. C. Hoehne´s names to Aristolochia (Aristolochiaceae)

The authorship and nomenclature of Vincetoxicum rossicum (Cynanchum rossicum) and V. meoticum (C. meoticum) (Apocynaceae: Asclepiadoideae),
with considerations on nomenclatural uncertainties in determining the validity
of names

Dendrobium chiangdaoense (Orchidaceae), a new species from Thailand

Phrynium yunnanense (Marantaceae), a new species from Yunnan, China

Croton crossolepis (Euphorbiaceae), a new species with an unusual trichome type from southwestern Madagascar