Pythium paddicum

{{Short description|Species of single-celled organism}}

{{Speciesbox

|image=

|image_alt=

|image_caption=

|genus=Pythium

| species = paddicum

| authority = Hirane, (1960)

}}

Pythium paddicum is a plant pathogen infecting barley.{{Cite journal |last1=FUKUI |first1=Ryo |last2=KITANO |first2=Seishi |last3=TAKAMATSU |first3=Susumu |last4=ICHITANI |first4=Takio |date=1987 |title=Taxonomic Consideration on Two Closely Related Species, Pythium paddicum and P. polypapillatum |url=https://cir.nii.ac.jp/crid/1390291767546682368 |journal=Bulletin of the University of Osaka Prefecture. Ser. B, Agriculture and Biology |volume=39 |pages=21–31 |doi=10.24729/00009314}}