M. Aleffi et Silenzi A.r, Flora briologica degli affioramenti gessosi del parco regionale "Gessi bolognesi e calanchi dell'Abbadessa"(Emilia Romagna), Archivio geobotanico , 6(1), 2000, pp. 1-16
A study of the bryological flora of gypsum outcrops of regional park "Gessi bolognesi e calanchi dell'Abbadessa" is presented. A list of 123 taxa of Bryophytes is given: 21 species of liverworts and 102 taxa of mosses. 20 taxa are new findings for the Emilia Romagna region. Some chorological and ecological considerations are reported. A comparison with the flora of similar gypsum outcrops of "Vena del Gesso" and Agrigentino is carried out.