Prototheca zopfii
| Prototheca zopfii | |
|---|---|
| Photomicrograph depicting the histopathology associated with protothecosis in a dog due to Prototheca zopfii | |
| Scientific classification | |
| Clade: | Viridiplantae | 
| Division: | Chlorophyta | 
| Class: | Trebouxiophyceae | 
| Order: | Chlorellales | 
| Family: | Chlorellaceae | 
| Genus: | Prototheca | 
| Species: | P. zopfii | 
| Binomial name | |
| Prototheca zopfii W.Krüger | |
Prototheca zopfii is an ubiquitous achlorophyllic (without chlorophyll) green alga. It is a known cause of mastitis in cattle.