Blumeria graminis

Blumeria graminis
	Blumeria graminis on Elymus repens in Sweden
Scientific classification
Kingdom:	Fungi
Division:	Ascomycota
Class:	Leotiomycetes
Order:	Helotiales
Family:	Erysiphaceae
Genus:	Blumeria
Species:	B. graminis
Binomial name
	Blumeria graminis; (DC.) Speer, 1975
Synonyms
	List Erysiphe graminis DC., 1815 ; Alphitomorpha communis var. graminearum Wallr., 1819 ; Erysibe communis var. graminum Link, 1824 ; Acrosporium monilioides Nees, 1817 ; Oidium monilioides (Nees) Link, 1824 ; Oospora moniliaforme Wallr., 1833 ; Oospora moniliformis Wallr., 1833 ; Torula papillata Bonord., 1861 ; Oidium papillatum (Bonord.) Sacc. & Voglino, 1886 ; Torula rubella Bonord., 1860 ; Oidium rubellum (Bonord.) Sacc. & Voglino, 1886 ; Monilia hyalina Fr., 1815 ; Acrosporium hyalinum (Fr.) Sumst., 1913 ; Oidium tritici Lib., 1837 ; Torula tritici (Lib.) Corda, 1842 ;

Blumeria graminis is a species of powdery mildew in the family Erysiphaceae. It is found around the world where it infects a variety of hosts in the family Poaceae (grasses). It was formerly considered to be the only species of powdery mildew infecting grasses, however there are now at least seven other species in the genus Blumeria.