Aborted entoloma 
Agaricus andrewii 
Agaricus campestris 
Agaricus deardorffensis 
Agaricus moelleri 
Agrocybe praecox 
Agrocybe putaminum 
Alder Scalycap 
Amanita americitrina 
Amanita ananiceps 
Amanita atkinsoniana 
Amanita calyptroderma 
Amanita constricta 
Amanita daucipes 
Amanita fulva 
Amanita jacksonii 
Amanita Pseudovolvata 
Amanita punctata 
Amanita rubescens var. alba 
Amanita sinicoflava 
Amanita smithiana 
Amanita texasorora 
Amanita velatipes 
American Abrupt-Bulbed Lepidella