atramentarius, Coprinus
atromarginatus, Pluteus
atrotomentosus, Paxillus
atroviridis, Lactarius
aurantiaca, Hygrophoropsis
aurantiorugosus, Pluteus
aurivella, Pholiota
autumnalis, Galerina
badius, Polyporus
bakerensis, Hygrophorus
barsii, Lepiota
berkeleyi, Bondarzewia