The Atractiellomycetes are

class Class or The Class may refer to: Common uses not otherwise categorized * Class (biology), a taxonomic rank * Class (knowledge representation), a collection of individuals or objects * Class (philosophy), an analytical concept used differentl ...

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

Pucciniomycotina Pucciniomycotina is a subdivision of fungus within the division Basidiomycota. The subdivision contains 9 classes, 20 orders, and 37 families. Over 8400 species of Pucciniomycotina have been described - more than 8% of all described fungi. Th ...

subdivision of the Basidiomycota. The class consists of a single order, the Atractiellales, which contains 3

families Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Ideal ...

, 10 genera, and 34 species. '' Leucogloea'' and ''

Hobsonia ''Hobsonia'' is a genus of fungi in the family (biology), family Phleogenaceae. The genus is currently monotypic taxon, monotypic, with a single recognized species, ''Hobsonia mirabilis''. The type species, ''H. gigaspora'', and ''H. ackermannii' ...

'' are genera

incertae sedis ' () or ''problematica'' is a term used for a taxonomic group where its broader relationships are unknown or undefined. Alternatively, such groups are frequently referred to as "enigmatic taxa". In the system of open nomenclature, uncertain ...

with respect to familial placement.

References

Basidiomycota classes Pucciniomycotina Taxa named by Franz Oberwinkler {{Basidiomycetes-stub