annosum root disease, Heterobasidion annosum (Russulales: Bondarzewiaceae) - 1241674

annosum root disease
Heterobasidion annosum (Fr) Bref.

Descriptor: Symptoms
Description: An useful sign of annosus root disease is an irregular pattern of staining in root and butt heartwood. In firs, the stain varies from dull gray, to reddish-purple.
Image location: United States

Photographer Information

Name: John W. Schwandt
Organization: USDA Forest Service
Country: United States

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Image Number: 1241674

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Image Citation:(?) John W. Schwandt, USDA Forest Service, Bugwood.org

Node Affiliation: Bugwood - UGA

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Image uploaded on Wednesday, April 14, 2004
Image Information last updated on Wednesday, May 19, 2004