Relicina connivens

Polyporic acid (3), the above cited terphenylquinone occurring in several species of basidiomycetes, has also been found in lichens of the Sticta genus [19]. Also thelephoric acid (82, see Section 3.2), widely distributed within Thelephoraceae, has been found in lichens of Lobaria genus [3], From the lichen Relicina connivens (Parmelia butleri) the butlerins A-F (51 - 56) were isolated [72, 73], These polyporic acid-related metabolites have not yet been found in fungi. 

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