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554 shield lichens and allies species
Melanelixia glabroides
Melanohalea exasperata
Melanohalea olivaceoides
Melanohalea subelegantula
Pseudoparmelia cubensis
Pseudoparmelia uleana
Punctelia eganii
Xanthoparmelia ahtii
Xanthoparmelia atticoides
Xanthoparmelia brunella
Xanthoparmelia chiricahuensis
Xanthoparmelia isidiosa
Xanthoparmelia knudsenii
Xanthoparmelia lobulatella
Xanthoparmelia neorimalis
Xanthoparmelia nigrolavicola
Melanelixia glabra
Parmelina pastillifera
Usnea schadenbergiana
Xanthoparmelia atrobarbatica
Parmelia mauriensis
Parmelia hookeri
Usnea caespitia
Usnea steineri
Usnea subcomosa
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