Masdevallia purocafeana, a new species of Orchidaceae from Cordillera del Toisán, northwestern Ecuador
A new species and a new host record of Pseudoberkleasmium (Pseudoberkleasmiaceae, Dothideomycetes) from Cocos nucifera and Zea mays in northern Thailand
The genus Callitriche (Plantaginaceae, Callitricheae) in Australasia and Oceania
Typification of some names in Indian Barleria L. (Acanthaceae)
The Callitriche (Plantaginaceae: Callitricheae) names published under the genus Stellaria, and notes on C. aquatica and the Linnéan name C. palustris var. bifida