Resumen

MICHLIG, Andrea  y  FERRARO, Lidia I.. Nuevos registros de especies sorediadas de Parmotrema con ácido Protocetrárico: Ascomycota, Parmeliaceae) en el sur de Sudamérica. Darwiniana [online]. 2012, vol.50, n.2, pp.323-331. ISSN 0011-6793.

Parmotrema dilatatum and Parmotrema gardneri are recorded for the first time for Argentina and Paraguay. Both species are described and illustrated, and a map with their distribution in South America is included. A key to differentiate sorediate and sorediate-pustulate species of Parmotrema with protocetraric acid is also presented.

Palabras clave : Argentina; lichens; Paraguay; protected areas.