List of Agaricales families
The Agaricales are an order of fungi in the class Agaricomycetes (division Basidiomycota). It is the largest group of mushroom-forming fungi, and includes more than 400 genera and over 13,000 species. Molecular phylogenetics analyses of ribosomal DNA sequences has led to advances in our understanding of the Agaricales, and substantially revised previous assessments of families and genera. The following families are in the Agaricales, according to the 10th edition of the "Dictionary of the Fungi" (2008) with some additions.