''Asteritea'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of
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
Microthyriaceae
The Microthyriaceae are a family of fungi with an uncertain taxonomic placement in the class Dothideomycetes.
List of Genera
The following genera are included within the Microthyriaceae, according to the 2007 Outline of Ascomycota there were 4 ...
family; according to the 2007 Outline of Ascomycota, the placement in this family is uncertain.
This is a
monotypic
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...
genus, containing the single species ''Asteritea roureae''. ''Asteritea'' is a
parasitic or
saprobic fungus that appears as black spots on the underside of leaves. Wu, Hyde, and Chen describe Asteritea as having "flattened
ascomata with a star-like opening and superficial
mycelium
Mycelium (plural mycelia) is a root-like structure of a fungus consisting of a mass of branching, thread-like hyphae. Fungal colonies composed of mycelium are found in and on soil and many other substrate (biology), substrates. A typical single ...
with