Phylum Ascomycota (Molds, Yeasts, and Lichens)


Class Arthoniomycetes Arthoniomycetes	Class Ascomycetes Ascomycetes
Class Dothideomycetes Dothideomycetes	Class Eurotiomycetes Eurotiomycetes
Class Geoglossomycetes Geoglossomycetes	Class Laboulbeniomycetes Laboulbeniomycetes
Class Lecanoromycetes Lecanoromycetes	Class Leotiomycetes Leotiomycetes
Class Neolectomycetes Neolectomycetes	Class Pezizomycetes Pezizomycetes
Class Pezizomycotina Pezizomycotina	Class Pneumocystidomycetes Pneumocystidomycetes
Class Saccharomycetes Saccharomycetes	Class Schizosaccharomycetes Schizosaccharomycetes
Class Sordariomycetes Sordariomycetes	Class Taphrinomycetes Taphrinomycetes

This phyla is characterized by a sexual state composed of ascospores within sac-like asci. The asci are contained within (or on) a variety of ascocarps including perithecia, cleistothecia, and apothecia. Also included within this phyla are the single celled yeasts. Hyphae are narrower than the Zygomycota and are generally septate and multinucleate. This phyla has a dikaryon in the ascogenous hyphae. Some examples of this phyla are yeasts, some of the common black molds, green molds, the powdery mildews, the cup fungi, the morels, and the truffles.