Agaricales

order of basidiomycetes fungi Gilled Mushrooms (Agaricales) is an order comprising closely related families of organisms. It contains 41 families with 1,663 known species. Key family groups include Agarics, Amanitaceae, Biannulariaceae, Bolbitiaceae, Callistosporiaceae, and Chromocyphellaceae. Among its members, 297 species are currently classified as threatened (Critically Endangered, Endangered, or Vulnerable). It belongs to Mushrooms (Agaricomycetes).