Arthoniaceae
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 Amazonomyces


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 Arthonia




 Arthothelium




 Coniarthonia


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 Conida


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 Cryptothecia




 Eremothecella


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 Gymnographoidea


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 Herpothallon




 Paradoxomyces


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 Sagenidiopsis


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 Sporostigma


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 Stirtonia


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