Ceropegia tribounii (Apocynaceae, Asclepiadoideae), a new species from western Thailand
Taxonomy of three new Rhoicosphenia (Bacillariophyta) species from California, USA
A new species of Passiflora supersection Tacsonia (Passifloraceae) from Amazonas, Northern Peru
Notes on Malesherbia (Passifloraceae) in Peru: a new species from southern Peru, a new record and a first report on interspecific hybridization in Malesherbia
Ophiorrhiza sahyadriensis (Rubiaceae), a new species from southern Western Ghats, Kerala, India
Lectotypifications of some Indian Ceropegia (Apocynaceae: Ceropegieae)
A new Polygonatum (Asparagaceae) endemic to the Trường Sơn of southern Vietnam
A taxonomic revision of Swertia L. (Gentianaceae) in South India, with one new species and seven lectotypifications