Bibliografía (8 obras)
Forest plants
2006
Mountain flowers
2003
A field guide to wild flowers KwaZulu₋Natal and the Eastern Region
1999
SASOL Eerste Veldgids Tot Bome Van Suider-Afrika (Sasol First Field Guide)
Sasol trees of southern Africa
Trees
1998
Flowers, grasses, ferns & fungi
The complete field guide to trees of Natal, Zululand & Transkei
1993
