The Agyriales are an

order Order, ORDER or Orders may refer to: * Categorization, the process in which ideas and objects are recognized, differentiated, and understood * Heterarchy, a system of organization wherein the elements have the potential to be ranked a number of d ...

fungi A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from ...

in the class

Lecanoromycetes Lecanoromycetes is the largest class of lichenized fungi. It belongs to the subphylum Pezizomycotina in the phylum Ascomycota. The asci (spore-bearing cells) of the Lecanoromycetes most often release spores by rostrate dehiscence. Genera of unc ...

. It contains the following families:

Agyriaceae The Agyriaceae are a family of lichenized fungi in the order Pertusariales. It contains two genera: ''Agyrium'', and '' Miltidea''. The family was circumscribed by August Carl Joseph Corda in 1838. In 2018, using a molecular phylogenetic Molec ...

, Anamylopsoraceae and Schaereriaceae. Many of these fungi form

lichen A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.rRNA Ribosomal ribonucleic acid (rRNA) is a type of non-coding RNA which is the primary component of ribosomes, essential to all cells. rRNA is a ribozyme which carries out protein synthesis in ribosomes. Ribosomal RNA is transcribed from ribosoma ...

gene sequences of ''Anamylopsora pulcherrima'' ( Anamylopsoraceae), ''Placopsis gelida'', ''Trapelia involuta'' and ''Trapelia placodioides'' (

) showed that the Agyriineae family was outside the

Lecanorales The Lecanorales are an order of mostly lichen-forming fungi belonging to the class Lecanoromycetes in the division Ascomycota. The order contains 26 families, 269 genera, and 5695 species. Families * Aphanopsidaceae * Biatorellaceae * Brigan ...

order (where it had been placed) and the study suggested a sister group relationship to Ostropales/

Pertusariales The Pertusariales are an order of fungi in the class Lecanoromycetes. It contains the following families: Agyriaceae The Agyriaceae are a family of lichenized fungi in the order Pertusariales. It contains two genera: ''Agyrium ''Agyri ...

orders. They were once thought to be a synonym of

, until 2020 who re-established the order.

References

{{Taxonbar, from=Q2712199 Lichen orders Lecanoromycetes orders Taxa described in 1931