1. Ten new species of Lachenalia (Liliaceae);Barker;Journal of South African Botany,1978
2. Notes on the genus Lachenalia;Duncan;Herbertia,1998
3. Duncan, G.D. (2005). Character Variation and a Cladistic Analysis of the Genus Lachenalia Jacq.f. ex Murray (Hyacinthaceae). M.Sc. Thesis. University of KwaZulu-Natal, Pietermaritzburg.
4. Character variation and a cladistic analysis of the genus Lachenalia Jacq.f. ex Murray (Hyacinthaceae).;Duncan;Acta Horticulturae,2005