Rhynchosia ngwenyii (Phaseoleae, Fabaceae), a new species of Rhynchosia from South Africa
Aloe ×retiefii (Asphodelaceae subfam. Alooideae), a new nothospecies from northeastern South Africa, with A. globuligemma and A. marlothii as parents
Aloe ×engelbrechtii (Asphodelaceae subfam. Alooideae), a new South African nothospecies with A. arborescens and A. hardyi as parents
An updated species inventory of Callithamnion sensu lato Rhodophyta, Callithamniaceae in South Africa with the description of Callithamnion africanum sp. nov.
New taxa in Drosanthemum and a new genus in Drosanthemeae (Ruschioideae, Aizoaceae)
The nomenclature and taxonomy of Kalanchoe nyikae (Crassulaceae subfam. Kalanchooideae), a little-known species from East Africa