appalachiensis, Russula

applanatum, Ganoderma

applanatus, Crepidotus

applicatus, Resupinatus

aquifluus, Lactarius

arcularius, Polyporus

argentatus, Cortinarius

armillatus, Cortinarius

arvensis, Agaricus

asprata, Cyptotrama

astragalina, Pholiota

atkinsoniana, Mycena