 These landscapes are often expected to harbor a high number of endemic, old and rare lineages specialized in obtaining nutritional elements from impoverished soils and presenting biological adaptations to cope with harsh environmental conditions.There are at least three areas located in three different continents that can be characterized as ancient and climatically and geologically stable; the Pantepui Highlands in Venezuela, South Africa's Greater Cape and the Southwest Australian Floristic region.Even though the c"ampo rupestre" in Brazil was not formerly acknowledged as an OCBIL area, Hopper mentions "parts of Brazil" could actually be identified as this particular landscape.