Gymnosporangium libocedri

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Gymnosporangium libocedri
Gymnosporangium libocedri on serviceberry fruits
Scientific classification
Kingdom:	Fungi
Division:	Basidiomycota
Class:	Pucciniomycetes
Order:	Pucciniales
Family:	Pucciniaceae
Genus:	Gymnosporangium
Species:	G. libocedri
Binomial name
Gymnosporangium libocedri (Henn.) F. Kern (1908)

Gymnosporangium libocedri on incense cedar (Calocedrus decurrens)

Gymnosporangium libocedri, the Pacific Coast pear rust, is a plant pathogen and rust fungus. It produces orange gelatinous growths (telia) on incense cedar in the spring. Its secondary hosts include apple, crabapple, hawthorn, mountain ash, pear, quince, and serviceberry.

'brooming' on Calocedrus decurrens

References[]

Close up on Calocedrus decurrens

External links[]

• PNW Plant Disease Handbook

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