| Phyllactinia | |
|---|---|
| | |
| Various stages in the life cycle of Phyllactinia guttata. Fig 1. Natural size, on chestnut leaf. 2. Perithecium enlarged. 3. Two asci. 4.Three spores. 5.Conidia-bearing hyphae. 6.Conidium germinating. | |
| Scientific classification | |
| Kingdom: | Fungi |
| Division: | Ascomycota |
| Class: | Leotiomycetes |
| Order: | Helotiales |
| Family: | Erysiphaceae |
| Genus: | Phyllactinia Lév., 1851 |
| Type species | |
| Phyllactinia guttata (Wallr.) Lév, 1851 | |
Phyllactinia is a genus of plant pathogenic fungi in the family Erysiphaceae (powdery mildews).