The Agaricomycetes are a large class of basidiomycete fungi with more than 20,000 species. It includes the edible mushrooms, plant pathogenic species as well as many other forms. Several are important antagonists of plant pathogens and nematodes. The mycelium consists of filamentous, septate hyphae, usually without a yeast-like phase. The cells have 2 haploid nuclei, typical for the Basidiomycota.
This page deals only with species which are antagonistic to plant diseases, for other groups see:
The following orders of antagonistic Agaricomycetes are included in the system: