1. Molecular systematics of the genus Clivia;Conrad;Clivia,2002
2. Phylogenetic relationships of the recently discovered species-Clivia mirabilis;Conrad;South African Journal of Botany,2003
3. Notes on the genus Clivia with particular reference to C. miniata (Lindl.) Regel var. citrina Watson;Duncan;Herbertia,1992
4. Kirstenbosch Gardening Series;Duncan,2008