TY - JOUR T1 - Protoparmelia capitata sp. nov. and P. isidiata Diederich, Aptroot & Serus., two species of Protoparmelia (Lecanorales, Ascomycota) from south-eastern North America JF - Lichenologist Y1 - 2008 A1 - Lendemer, J. C. A1 - Lumbsch, H. T. SP - 329 EP - 336 VL - 40 ER -