Boletus miniato-pallescens 
Boletus ovalisporus 
Boletus rufocinnamomeus 
Boletus subcaerulescens 
Boletus subfraternus 
Boletus subvelutipes 
Boletus variipes 
Boletus vermiculosoides 
Bondarzewia mezenterica 
Booted Knight 
Botryobasidium aureum 
Bouillon Bolete 
Bovine Bolete 
Bowl Hoodie 
Brain puffball 
Brick cap 
Bridal Veil Stinkhorn 
Brown Funnel Polypore 
Brown oyster mushroom 
Brown star-footed Amanita 
Brown-toothed Crust Fungus 
Brownish Conecap 
Brownit 
Bryoperdon acuminatum