Pachyella, Pachykytospora, Pachyphloeus, Panaeolus, Panellus, Panus, Paradiachea, Paradiacheopsis, Paradidymella, Paranectria, Parmastomyces, Parvobasidium, Passeriniella, Patellaria, Patellariopsis, Patinellaria, Paullicorticium, Paxillus, Paxina, Peckiella, Pellidiscus, Penicilium, Peniophora, Perenniporia, Perichaena, Peroneutypa, Perrotia, Pezicula, Peziza, Pezizella, Phacidiostroma, Phacidium, Phaeangella, Phaeangellina, Phaeocollybia, Phaeocryptopus, Phaeohelotium, Phaeolepiota, Phaeolus, Phaeomarasmius, Phaeospora, Phaeostoma, Phaeotellus, Phallogaster, Phallus, Phanerochaete, Pharcidia, Phellinus, Phellodon, Phellorina, Phialina, Phlebia, Phlebiopsis, Phleogena, Phloeosporella, Pholiota, Pholiotina, Phomatospora, Phomopsis, Phragmidium, Phyllachora, Phyllactinia, Phylloporus, Phyllotopsis, Physalospora, Physarella, Physarina, Physarum, Physisporinus, Phytoconis, Pilacrella, Piloderma, Piloporia, Piptoporus, Pirottaea, Pisolithus, Pithya, Pithyella, Placographa, Plagiosphaera, Plagiostoma, Platychora, Platystomum, Plectania, Plejobolus, Pleomassaria, Pleospora, Pleurocybella, Pleurotus, Plicaria, Plicatura, Plicaturopsis, Ploettnera, Pluteus, Pocillum, Podonectria, Podophacidium, Podoscypha, Podosordaria, Podosphaera, Podospora, Podostroma, Poetschia, Polydesmia, Polyporus, Polystigma, Poronia, Porphyrellus, Porpoloma, Porpomyces, Postia, Potebniamyces, Pragmopora, Preussia (Periosporium), Prodontia, Propolis, Propolomyces, Prosthecium, Protocrea, Protomyces, Protomycopsis, Protophysarum, Prototrichia, Protoventuria, Psathyrella, Pseudeurotium, Pseudoclitocybe, Pseudocraterellus, Pseudographis, Pseudohelotium, Pseudohydnum, Pseudomassaria, Pseudombrophila, Pseudomerulius, Pseudonectria, Pseudoomphalina, Pseudopeziza, Pseudophacidium, Pseudoplectania, Pseudotis, Pseudotomentella, Pseudovalsa, Pseudoxenasma, Psilachnum, Psilocybe, Pteridiospora, Pteridomyces, Pterula, Ptychoverpa, Puccinia, Pulcherricium, Pulvinula, Punctularia, Pycnopeziza, Pycnoporellus, Pycnoporus, Pyrenogaster, Pyrenopeziza, Pyrenophora, Pyrofomes, Pyronema, Pyxidiophoram