Retief, E., National Herbarium. South African National Biodiversity Institute, South Africa

• Vol 40, No 2 (2010) - Notes on African Plants
  VITACEAE
  Abstract  PDF
• 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 38, No 1 (2008) - Original Research
  The genus Wellstedia (Boraginaceae: Wellstedioideae) in southern Africa
  Abstract  PDF