New taxa of the lichen genus Pertusaria from China

摘要

Three new species of Pertusaria from southwestern China are described, differentiated by morphology, anatomy, and chemistry. Pertusaria wangii is characterized by broad lecanorate verrucae, 8-spored asci, and production of norstictic acid. Pertusaria hengduanensis is characterized by 1-spored asci, 3-5 apothecia per verruca, and production of protocetraric acid. Pertusaria lijiangensis is characterized by 1-spored asci and the presence of hypothamnolic and cryptothamnolic acids.