Gymnosporangium juniperi-virginianae

Gymnosporangium juniperi-virginianae is a plant pathogen that causes cedar-apple rust. In virtually any location where apples or crabapples (Malus) and eastern red cedar (Juniperus virginiana) coexist, cedar apple rust can be a destructive or disfiguring disease on both the apples and cedars. Apples, crabapples, and eastern red cedar are the most common hosts for this disease. Similar diseases can be found on quince and hawthorn and many species of juniper can substitute for the eastern red cedars.

Gymnosporangium juniperi-virginianae
Galls of cedar-apple rust on eastern red cedar
Scientific classification
Domain: Eukaryota
Kingdom: Fungi
Division: Basidiomycota
Class: Pucciniomycetes
Order: Pucciniales
Family: Gymnosporangiaceae
Genus: Gymnosporangium
Species:
G. juniperi-virginianae
Binomial name
Gymnosporangium juniperi-virginianae
Schwein. (1822)
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