Arthoniomycetes

 ( Fungus Classes ) 

Arthoniomycetes are a class of ascomycete fungi. It includes two orders: Arthoniales and Lichenostigmatales. Most of the taxa in these orders are tropical and subtropical .

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Systematics Phylogenetic analysis supports the monophyly of this class. Dothideomycetes is a sister group.

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Characteristics Taxa have apothecia, cup- or saucer- shaped ascoma in which the hymenium is exposed at maturity. These apothecia are bitunicate - with clearly differentiated inner and outer walls.

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