| Arthoniomycetes | |
|---|---|
 | |
| Arthonia radiata magnified 9X, growing onRed Oak bark | |
Scientific classification | |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Subdivision: | Pezizomycotina |
| Clade: | Leotiomyceta |
| (unranked): | Dothideomyceta |
| Class: | Arthoniomycetes O.E.Erikss. & Winka (1997)[1] |
| Orders | |
Arthoniomycetes are aclass ofascomycetefungi. It includes two orders:Arthoniales andLichenostigmatales.[2] Most of the taxa in these orders are tropical andsubtropicallichens.
Phylogenetic analysis supports themonophyly of this class.[3]Dothideomycetes is a sister group.[4]
Taxa have apothecia, cup- or saucer- shaped ascoma in which thehymenium is exposed at maturity. These apothecia are bitunicate - with clearly differentiated inner and outer walls.
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