Foul Clitocybe 
Foxy Bolete 
Fragile Dapperling 
Freckled Dapperling 
Fried Chicken Mushroom 
Fringed Sawgill 
Frost's Bolete 
Frosty bonnet 
Frosty webcap 
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