Some calcicolous lichens from Natural Park of Grazalema (Andalucía, S of Spain). Floristic resultats of research on lichens in the northern side of Sierra del Pinar (Natural Park of Grazalema, Cádiz, S of Spain) on calcareous rocks, 63 taxa are reported. Among them, Ionaspis melanocarpa, Polyblastia nidulans and Thelidium impressulum are first reported from Spain.