Class Plectomycetes is a group of fungi that are characterized by their unique morphology and mode of reproduction. Synonyms for this particular class of fungi include the term "Ascomycetes" which refers to a large phylum of fungi that produce spores in a sac-like structure known as an ascus. Another synonym for Plectomycetes is "Pyrenomycetes" which describes a group of fungi that produce spores in a structure called a perithecium. Additionally, "Discomycetes" may also be used to describe Plectomycetes, as their fruiting bodies are often flat or cup-shaped in appearance. Overall, Plectomycetes have a variety of synonyms that reflect their unique characteristics and evolutionary history.