aleuriatus, Bolbitius
alveolaris, Favolus
americana, Lepiota
americanus, Coprinus
amethystina, Laccaria
amianthinum var. rugosoreticulatum, Cystoderma
amianthinum, Cystoderma
amoenolens, Russula
andersonii, Inonotus
androsaceus, Marasmius
angustifolius, Lentinellus
annosum, Heterobasidion