Powderpuff Bracket 
Powdery Brittlegill 
Powdery sulfur bolete 
Prince 
Privet Leaf Spot 
Protocrea pallida 
Protohydnum sclerodontium 
Psathyrella conopilus 
psathyrella longipes 
Psathyrella narcotica 
Psathyrella potteri 
Pseudocyphellaria crocata 
Pseudocyphellaria rufovirescens 
Pseudomarasmius pallidocephalus 
Pseudomerulius aureus 
Pseudomerulius curtisii 
Pseudoplectania vogesiaca 
Pseudosperma friabile 
Psilocybe cyanescens 
Psilocybe subaeruginosa 
Psilolechia lucida 
Psuedohydnum gelatinosum 
Puccinia cnici-oleracei 
Puccinia coronata