New species and new records of Rhytismatales from Panama.

Six species in three genera of Rhytismatales are known from Panama. Additional specimens recently were collected and identified. They correspond to four new species, Bivallum panamense, Coccomyces niveus, C. hypodermatis and Myriophacidium alsophilicola, as well as seven new records from Panama, Coccomyces annulatus, C. radiatus, Hypoderma rubi, Lophodermium agathidis, L. australe, L. platyplacum and Terriera minor. Therefore 17 species in eight genera of Rhytismatales are currently known from Panama. A key to these species is provided.