appalachiensis, Russula
applanatum, Ganoderma
applanatus, Crepidotus
applicatus, Resupinatus
aquifluus, Lactarius
arcularius, Polyporus
argentatus, Cortinarius
armillatus, Cortinarius
arvensis, Agaricus
asprata, Cyptotrama
astragalina, Pholiota
atkinsoniana, Mycena