Powdery mildew

P Pucciniosiraceae rusts Pucciniosiraceae P Puiggariella Puiggariella P Puiggariella nemathora Puiggariella nemathora P Punctelia Punctelia P Punctelia hypoleucites Punctelia hypoleucites P Puntelia disease Puntelia P Purple leaf sheath of corn Genetic connection P Purpureocillium Purpureocillium P Purpureocillium lilacinum Purpureocillium lilacinum P Pustule Pustula S Sunflower downy mildew Pustula helianthicola W White blister rust of salsify Pustula tragopogonis P Pycnidiophora Pycnidiophora P Pycnoporellus Pycnoporellus P Pycnoporus Pycnoporus P Pycnoporus cinnabarinus Pycnoporus cinnabarinus O Orange pore fungus Pycnoporus coccineus P Pycnoporus sanguineus Pycnoporus sanguineus P Pycnostysanus Pycnostysanus P Pyrenochaeta root rot Pyrenochaeta T Tomato corky root rot Pyrenochaeta nobilis P Pyrenochaeta leaf spot of rice Pyrenochaeta oryzae P Pyrenochaetopsidaceae Pyrenochaetopsidaceae P Pyrenochaetopsis Pyrenochaetopsis P Pyrenochaetopsis decipiens Pyrenochaetopsis decipiens P Pyrenochaetopsis indica Pyrenochaetopsis indica P Pyrenochaetopsis leptospora Pyrenochaetopsis leptospora P Pyrenochaetopsis microspora Pyrenochaetopsis microspora P Pyrenochaetopsis poae Pyrenochaetopsis poae P Pyrenomonadaceae algae Pyrenomonadaceae P Pyrenomonadales Pyrenomonadales P Pyrenopeziza Pyrenopeziza L Light leaf spot Pyrenopeziza brassicae T Tan spot Pyrenophora L Leaf blotch of oats Pyrenophora avenae P Pyrenophora leaf spot Pyrenophora biseptata B Bromegrass leaf spot Pyrenophora bromi N Net blotch (Pyrenophora catenaria) Pyrenophora catenaria P Pyrenophora dematioidea leaf spot Pyrenophora dematioidea N Net blotch of fescue Pyrenophora dictyoides B Barley leaf blotch Pyrenophora erythrospila P Pyrenophora leaf spot Pyrenophora fugax F Fescue leaf spot Pyrenophora grahamii B Barley stripe Pyrenophora graminea B Barley leaf blotch Pyrenophora japonica L Lolium leaf spot Pyrenophora lolii P Pyrenophora leaf blotch Pyrenophora nobleae P Pyrenophora phaeocomes Pyrenophora phaeocomes P Pyrenophora poae leaf spot Pyrenophora poae P Pyrenophora leaf spot Pyrenophora polytricha S Seed blight Pyrenophora seminiperda N Net blotch of barley Pyrenophora teres T Tan spot of wheat Pyrenophora trichostoma P Pyrenothricaceae Pyrenothricaceae P Pyrenothrix Pyrenothrix P Pyrenothrix nigra Pyrenothrix nigra P Pyrenula Pyrenula P Pyrenula nitida Pyrenula nitida P Pyrenulaceae Pyrenulaceae P Pyrenulales lichens Pyrenulales