Acarospora fuscata 
Aesculus Leaf Blotch 
Akanthomyces aranearum 
Alectoria sarmentosa 
Alyxoria varia 
Amanita Mold 
American Anzia Lichen 
Anthracobia muelleri 
Anthrocobia melaloma 
Ascocoryne cylichnium 
Asterisk Lichen 
Bacidia schweinitzii 
Bagliettoa marmorea 
Bathelium carolinianum 
Beard Lichen 
Beauveria bassiana 
Beech Bark Disease 
Beech Woodwart 
Bell morel 
Biatora flavopunctata 
Biatora printzenii 
Bighorn Lichen 
Bilimbia sabuletorum 
Birch Witch's-Broom