Piper (Piperaceae) in eastern Northeast Brazil
Vincetoxicum emeiense (Asclepiadeae, Asclepiadoideae, Apocynaceae), a new species from Sichuan, China
An expanded concept of Madisonia including miscellaneous species of Pleurothallidinae (Orchidaceae): evidence from molecular analysis
Typification of names in Amaranthus (Amaranthaceae) described by Sennen from Spain