| Pythium ultimum var. ultimum | |
|---|---|
Scientific classification 
| |
| Kingdom: | Chromista |
| Phylum: | Oomycota |
| Order: | Peronosporales |
| Family: | Pythiaceae |
| Genus: | Pythium |
| Species: |
Trow (1901)
|
| Variety: |
P. u. var. ultimum
|
| Trinomial name | |
|
Pythium ultimum var. ultimum | |
Pythium ultimum var. ultimum is a plant pathogen infecting potato.