An analysis of the grassland vegetation of the rocky outcrops of the H
eilbron-Lindley-Warden-Villiers area, northern Orange Free State, is p
resented. Releves were compiled in 42 stratified random sample plots.
A TWINSPAN classification, refined by Braun-Blanquet procedures, revea
led four plant communities. This was confirmed by the ordination of th
e plant communities. All communities could be related to specific envi
ronmental conditions. A hierarchical classification and phytosociologi
cal description of the plant communities are presented.