The species Pertusaria dissita Elix and Archer, Pertusaria duppensis A
rcher and Malcolm, Pertusaria elliptica Mull. Ag. var. bispora Elix an
d Archer, Pertusaria murrayi Elix and Malcolm, Pertusaria murrayi Elix
and Archer, Pertusaria scottii Elix and Archer, Pertusaria tapadensis
Elix and Archer and Pertusaria vallicola Elix and Malcolm are describ
ed as new. Pertusaria tyloplaca Nyl. is re-instated into the New Zeala
nd lichen flora and the new name Pertusaria clarkeana Archer is propos
ed.