Faerberia carbonarium
Femsjonia pezizaeformis
Fistulina hepatica
Flammulaster carpophilus
Flammulina fennae
Flammulina velutipes
Flesh of the Gods [English-US] – Catholic Mission – synonym of Panaeolus sphinctrinus
Fomes fomentarius
Fomitopsis officinalis
Fomitopsis pinicola
Foxy Inocybe [English] (A sand-dune toadstool) – synonym of Inocybe vulpinella
Fuligo septica