Profile or catena Sierra de Grazalema. Geosigmetum = Geosynasociation (Set of sigmetum or series of vegetation). A) Climathophilous series 1. Paeonio broteroi-Abieto pinsapo s. (Mesomediterranean basophilous humid-hyperhumid series of the Ronda forests of Abies pinsapo); 3. Paeonio coriaceae-Querco rotundifoliae s. (series of dry Betic basophilous mesomediterranian holm oak forests); 4. Oleo sylvestris-Querco alpestris s. (Thermo-mesomediterranean neutral-basophilous dry-humid western Betic series B) Edaphoxerophilous series 2. Bupleuro gibraltarici-Querco rotundifoliae s. (Subhumid basophilous thermomediterranean edaphoxerophilous series from Betic holm oak forests).