| Kingdom: Chromista |
| Phylum: Oomycota |
| Class: Oomycetes |
| Order: Peronosporales |
| Family: Pythiaceae |
| Genus: Phytophthora |
| Subject: Phytophthora capsici Leonian |
| Kingdom: Plantae |
| Phylum: Magnoliophyta |
| Class: Magnoliopsida |
| Subclass: Asteridae |
| Order: Solanales |
| Family: Solanaceae |
| Genus: Solanum |
| Subject: Solanum lycopersicum L. |