Phyllactinia is a genus of fungi in the family Erysiphaceae.[1] The type species is Phyllactinia suffulta.[2] Species in this genus are plant pathogens, causing powdery mildew.[citation needed]

Phyllactinia guttata 1890.jpg
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 e
Kingdom: Fungi
Division: Ascomycota
Class: Leotiomycetes
Order: Erysiphales
Family: Erysiphaceae
Genus: Phyllactinia
Lév. (1851)
Type species
Phyllactinia suffulta
(Rebent.) Sacc. (1880)

P. angulata (E.S. Salmon) S. Blumer
P. fraxini (DC.) Fuss
P. guttata (Wallr.) Lév. (1851)
P. mali (Duby) U. Braun


  1. ^ Lumbsch, TH; Huhndorf, SM (December 2007). "Outline of Ascomycota – 2007". Myconet. Chicago, USA: The Field Museum, Department of Botany. 13: 1–58.
  2. ^ "Genus Record Details: Phyllactinia". Retrieved 2020-12-26.{{cite web}}: CS1 maint: url-status (link)