Image Number: 4823052

Photographer:
Descriptor:
Symptoms
Description:
Distinct spherical (globose) swelling. The bright yellow spore sacs (aecia) which contain masses of yellow to orange aeciospores form in the spring.
Image type:
Field

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Image location:
United States

Subject

Kingdom: Fungi
Phylum: Basidiomycota
Subphylum: Urediniomycotinia
Class: Urediniomycetes
Subclass: Urediniomycetidae
Order: Uredinales
Family: Cronartiaceae
Genus: Cronartium
Subject: Cronartium quercuum (Berk.) Miyabe ex Shirai

Host

Kingdom: Plantae
Phylum: Coniferophyta
Class: Pinopsida
Order: Pinales
Family: Pinaceae
Genus: Pinus
Subject: Pinus clausa (Chapman ex Engelm.) Vasey ex Sarg.
Node Affiliation:
Image uploaded:
Wednesday, May 23, 2001
Image last updated:
Tuesday, July 26, 2011