1. Veld types of South Africa;Acocks;Memoirs of the Botanical Survey of South Africa,1988
2. Plants of southern Africa: names and distribution;Arnold;Memoirs of the botanical Survey of South Africa,1993
3. The composition of the flora of the Witwatersrand and (he factors affecting it. In: Balkwill K, MacCallum DA (eds) Flora of the Witwatersrand, volume 2
4. An analysis of the flowering plants and ferns of the Witwatersrand National Botanic Gardens;Behr;South African Journal of Botany,1988
5. The origin and extent of nutrient-enriched patches within a nulrient-poor savanna in South Africa;Blackmore;Journal of Biogeography,1990