Frost's Bolete 
Frosty bonnet 
Frosty webcap 
Frost’s Amanita 
Fulvifomes everhartii 
Funeral Bells 
Funnel Woodcap 
Fuzzy Foot 
Fuzzy-footed coral 
Galerina hypnorum 
Galerina mammillata 
Ganoderma adspersum 
Ganoderma lobatum 
Ganoderma megaloma 
Ganoderma oregonense 
Ganoderma sessile 
Ganoderma tornatum 
Garland Roundhead 
Gassy webcap 
Gastropila fumosa 
Geastrum australe 
Geastrum triplex 
Ghost Fungus 
Giant funnel