Parmotrema margaritatum (Hue) Hale, 1974
Diagnostic description:
Parmotrema margaritatum is distinguished by the abundantly lacinulate thallus, the soralia orbicular or confluent growing on the lacinules, the effigurate maculae usually becoming hypermaculate, the thickened and simple cilia and the black undersurface, with a dark brown and erhizinate marginal zone.
[Spielmann 2009]