BioStor
 | Systematics of the Southern African Genus Geissorhiza (Iridacea-Ixioideae) Peter Goldblatt (1985) Annals of the Missouri Botanical Garden 72: 277-447 |
 | Systematics of Lapeirousia (Iridaceae-Ixioideae) in Tropical Africa Peter Goldblatt (1990) Annals of the Missouri Botanical Garden 77: 430-484 |
 | Cytological Variability in the African Genus Lapeirousia (Iridaceae- Ixioideae) Peter Goldblatt (1990) Annals of the Missouri Botanical Garden 77: 375-382 |