TY - JOUR T1 - The lichen genus Porina in Macaronesia with descriptions of two new species. JF - Lichenologist Y1 - 2007 A1 - Serusiaux, E. A1 - Berger, F. A1 - Brand, M. A1 - Coppins, B. J. SP - 15 EP - 33 VL - 39 IS - 1 ER -