Agaricus campestris – synoniem of Agaricus campester
Agaricus placomyces var. meleagris – synoniem of Agaricus praeclaresquamosus
Agrocybe aegerita – synoniem of Agrocybe cylindracea
Agrocybe semiorbicularis – synoniem of Agrocybe pediades
Amanita inaurata – synoniem of Amanita ceciliae
Anellaria semiovata – synoniem of Panaeolus fimiputris
Antrodia semisupina – synoniem of Antrodiella semisupina
Apiocrea chrysosperma – synoniem of Sepedonium chrysospermum
Armillariella bulbosa – synoniem of Armillaria lutea
Armillariella mellea – synoniem of Armillaria mellea
Armillariella obscura – synoniem of Armillaria ostoyae