Phyllactinia angulata

Phyllactinia angulata is a plant pathogen infecting chestnut, beech, oak and elm trees in North America with powdery mildew.^[3] Collections on elm were segregated into a new variety, Phyllactinia angulata var. ulmi.

Phyllactinia angulata
Scientific classification
Kingdom:	Fungi
Division:	Ascomycota
Class:	Leotiomycetes
Order:	Erysiphales
Family:	Erysiphaceae
Genus:	Phyllactinia
Species:	P. angulata
Binomial name
Phyllactinia angulata (E.S. Salmon) S. Blumer, (1933)[1]
Synonyms[2]
List Phyllactinia corylea var. angulata E.S. Salmon, Annls mycol. 3(6): 500 (1906) Phyllactinia suffulta var. angulata (E.S. Salmon) Sacc. & Trotter, Syll. fung. (Abellini) 22(1): 378 (1913)

Reports of this species infecting pistachio^[4] are probably instead referrable to Phyllactinia pistaciae, described in 2003.^[5]