van Wyk, A. E., H.G.W.J. Schweickerdt Herbarium. Department of Botany, South Africa

• Vol 38, No 1 (2008) - Original Research
  A new species of Euclea (Ebenaceae) from ultramafic soils in Sekhukhuneland, South Africa, with notes on its ecology
  Abstract  PDF
• Vol 35, No 2 (2005) - Original Research
  Ovule and seed structure in Scolopia zeyheri (Scolopieae), with notes on the embryology of Salicaceae
  Abstract  PDF
• Vol 32, No 1 (2002) - Notes on African Plants
  THYMELAEACEAE: A NEW SPECIES OF PASSERINA FROM WESTERN CAPE. SOUTH AFRICA
  Abstract  PDF