Amanita velatipes 
Amanita vittadinii 
Amauroderma rude 
American Abrupt-Bulbed Lepidella 
American Anzia Lichen 
American Cauliflower Mushroom 
American Eastern Yellow Fly Agaric 
American Floury Amanita 
American Matsutake 
American Orange-Brown Ringless Amanita 
Amethyst Deceiver 
Anemone stinkhorn 
Angel wing 
Angel's bonnet 
Aniseed Cockleshell 
Aniseed Funnel 
Annulohypoxylon annulatum 
Anthracobia muelleri 
Anthracophyllum archeri 
Anthrocobia melaloma 
Antrodia Sinuosa 
Antrodia Variiformis 
Armillaria gemina 
Armillaria nabsnona