New dictyostelid cellular slime molds from South Africa
A revision of the Hoya uncinata complex (Apocynaceae, Asclepiadoideae), with description of a new species
The genus Ophiorrhiza (Rubiaceae) in Andaman and Nicobar Islands, India with a new species
A new species of Casearia (Samydoideae, Salicaceae) from South Africa
Taxonomic notes on Iris ser. Lacteae (Iridaceae) with typifications of fifteen names and one new combination
Living on the rocks: a new species of Stenanona (Annonaceae) from karst limestone forests of southern Mexico