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Ascomycota is a phylum of the kingdom Fungi that, together with the Basidiomycota, forms the subkingdom Dikarya. Its members are commonly known as the sac fungi or ascomycetes. It is the largest phylum of Fungi, with over 64,000 species. The defining feature of this fungal group is the "ascus", a microscopic sexual structure in which nonmotile spores, called ascospores, are formed. However, some species of the Ascomycota are asexual, meaning that they do not have a sexual cycle and thus do not form asci or ascospores. Familiar examples of sac fungi include morels, truffles, brewers' and bakers' yeast, dead man's fingers, and cup fungi. The fungal symbionts in the majority of lichens such as Cladonia belong to the Ascomycota.
An ascospore is a spore contained in an ascus or that was produced inside an ascus. This kind of spore is specific to fungi classified as ascomycetes (Ascomycota).
Saccharomycetes belongs to the kingdom of Fungi and the division Ascomycota. It is the only class in the subdivision Saccharomycotina, the budding yeasts. Saccharomycetes contains a single order: Saccharomycetales.
The Pezizales are an order of the subphylum Pezizomycotina within the phylum Ascomycota. The order contains 16 families, 199 genera, and 1683 species. It contains a number of species of economic importance, such as morels, the black and white truffles, and the desert truffles. The Pezizales can be saprobic, mycorrhizal, or parasitic on plants. Species grow on soil, wood, leaves and dung. Soil-inhabiting species often fruit in habitats with a high pH and low content of organic matter, including disturbed ground. Most species occur in temperate regions or at high elevation. Several members of the Sarcoscyphaceae and Sarcosomataceae are common in tropical regions.
Peltigerales is an order of lichen-forming fungi belonging to the class Lecanoromycetes in the division Ascomycota. The taxonomy of the group has seen numerous changes; it was formerly often treated as a suborder of the order Lecanorales. It contains two suborders, eight families and about 45 genera such as Lobaria and Peltigera.
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.
Apiotypa is a genus of fungi in the Ascomycota phylum. The relationship of this taxon to other taxa within the phylum is unknown, and it has not yet been placed with certainty into any class, order, or family. This is a monotypic genus, containing the single species Apiotypa philippinensis.
Ascoxyta is a genus of fungi in the Ascomycota phylum. The relationship of this taxon to other taxa within the phylum is unknown, and it has not yet been placed with certainty into any class, order, or family. This is a monotypic genus, containing the single species Ascoxyta quercina.
Cladosphaera is a genus of fungi in the Ascomycota phylum. The relationship of this taxon to other taxa within the phylum is unknown, and it has not yet been placed with certainty into any class, order, or family. This is a monotypic genus, containing the single species Cladosphaera cespitosa.
Diaboliumbilicus is a genus of fungi in the Ascomycota phylum. The relationship of this taxon to other taxa within the phylum is unknown, and it has not yet been placed with certainty into any class, order, or family. This is a monotypic genus, containing the single species Diaboliumbilicus mirabilis.
Elaeomyces is a genus of fungi in the Ascomycota phylum. The relationship of this taxon to other taxa within the phylum is unknown, and it has not yet been placed with certainty into any class, order, or family. This is a monotypic genus, containing the single species Elaeomyces olei.
Myriogonium is a genus of fungi in the Ascomycota phylum. The relationship of this taxon to other taxa within the phylum is unknown, and it has not yet been placed with certainty into any class, order, or family. This is a monotypic genus, containing the single species Myriogonium odontiae.
Ochrosphaera is a genus of fungi in the Ascomycota phylum. The relationship of this taxon to other taxa within the phylum is unknown, and it has not yet been placed with certainty into any class, order, or family. This is a monotypic genus, containing the single species Ochrosphaera meliolae.
Phthora is a genus of fungi in the Ascomycota phylum. The relationship of this taxon to other taxa within the phylum is unknown, and it has not yet been placed with certainty into any class, order, or family. This is a monotypic genus, containing the single species Phthora vastatrix.
Pycnodermellina is a fungal genus in the division Ascomycota. The relationship of this taxon to other taxa within the phylum is unknown, and it has not yet been placed with certainty into any class, order, or family. This is a monotypic genus, containing the single species Pycnodermellina occulta.
Telioclipeum is a fungal genus in the division Ascomycota. The relationship of this taxon to other taxa within the phylum is unknown, and it has not yet been placed with certainty into any class, order, or family. This is a monotypic genus, containing the single species Telioclipeum lavrense.
The Thelebolales are an order of the class Leotiomycetes within the division Ascomycota. It contains the single family Thelebolaceae, circumscribed in 1968 by Finnish mycologist Finn-Egil Eckblad.
The Lahmiales are an order of fungi in the Ascomycota, or sac fungi. The order has not been assigned to any class. The taxon is monotypic and contains a single family, the Lahmiaceae, which in turn contains the single genus Lahmia.
Fluminicola is a fungal genus in the family Annulatascaceae of the Ascomycota. The relationship of this taxon to other taxa within the Sordariomycetes class is unknown, and it has not yet been placed with certainty into any order. This is a monotypic genus, containing the single species Fluminicola bipolaris.
Yuea is a genus of fungi in the Xylariales order of the Ascomycota. The relationship of this taxon to other taxa within the order is unknown, and it has not yet been placed with certainty into any family. Yuea is a monotypic, containing the single species Y. chusqueicola.
References
- ↑ Lumbsch TH, Huhndorf SM. (December 2007). "Outline of Ascomycota – 2007". Myconet. Chicago, USA: The Field Museum, Department of Botany. 13: 1–58. Archived from the original on 2009-03-18.