Bitter false funnelcap 
Bitter oyster 
Black and white Clitocybula 
Black-footed Marasmus 
Blackwattle Stump Fungus 
Bleeding bonnet 
Bleeding fairy helmet 
Blue Edge Pinkgill 
Blue roundhead 
Blushing waxycap 
Bolbitius reticulatus 
Booted Knight 
Bowl Hoodie 
Brain puffball 
Brick Cap 
Brown oyster mushroom 
Brown star-footed Amanita 
Brownish Conecap 
Brownit 
Bryoperdon acuminatum 
Bulbous bonnet 
Bulbous Honey Fungus 
burn site Mycena 
Buttery Collybia