Bulbous bonnet 
Bulbous Honey Fungus 
burn site Mycena 
Butter-foot bolete 
Butterball 
Buttery Collybia 
Butyriboletus querciregius 
Byssocorticium atrovirens 
Caesar's mushroom 
Callistosporium luteo-olivaceum 
Caloboletus frustosus 
Caloboletus inedulis 
Calostoma fuscum 
Calostoma ravenelii 
Calostoma rodwayi 
Campanella junghuhnii 
Campanella tristis 
Candy Cap 
Cannon Ball fungus 
Cantharellus alborufescens 
Cantharellus confluens 
Cantharellus minor 
Cantharellus phasmatis 
Cantharellus subalbidus