Protousnea Fibrillatae Sp. Nov. (Parmeliaceae, Lichenized Ascomycota) from Argentina, Southern South America
Protousnea fibrillatae from south-western Argentinean Nothofagus forests, is described as new to science. While the apothecia are typical of Protousnea, this new species is characterized by the presence of fibrils, a character previously unknown in the genus. The meta-depsides, subsekikaic and 4′-O-demethylsekikaic acids are reported the first time for Protousnea.
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