Microsphaera quercina
Fungi | Ascomycota | Leotiomycetes | Erysiphales | Erysiphaceae | Microsphaera | Microsphaera quercina
Erysiphe alphitoides
Fungi | Ascomycota | Leotiomycetes | Erysiphales | Erysiphaceae | Erysiphe | Erysiphe alphitoides