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A sketch of the lichen vegetation of the Haarwegskloof
Renosterveld Reserve near Bredasdorp (Western
Cape, South Africa) is presented. This reserve is a representative
example of renosterveld vegetation, which
replaces the better known fynbos in relatively dry regions
on more fertile, clay- and shale-based soils. Our
sketch is a first attempt to characterize the lichen biota
of a renosterveld area. The rather low number of 76 encountered
species reflects the absence of aged trees
and large rock formations and occasional bushfires.
However, the significance of the species is great because
most have very restricted distributions in southern
Africa. Among the epiphytic lichens Physciaceae and
Xanthoria-relatives prevail, while on soil and on rock
the genus Xanthoparmelia is by far the most important,
with 22 species, among them several endemics.