Fir Broom Rust 
Firerug inkcap 
Fishbiscuit Russula 
Fistulinella violaceipora 
Flame Chanterelle 
Flame Fungus 
Flaming Pholiota 
Flammula alnicola 
Flat crep 
Flavodon flavus 
Flowerpot parasol 
Fluted bird's nest 
Fly agaric 
Fomes excavatus 
Fomes fomentarius 
Fomitiporia robusta 
Fomitopsis ochracea 
Forked Staghorn Fungus 
Foul Clitocybe 
Foxy Bolete 
Fragile Dapperling 
Freckled Dapperling 
Fried Chicken Mushroom 
Fringed Sawgill