Symptoms of girdling roots on tree. Photo provided by: Roland J. Stipes, Virginia Polytechnic Institute and State University, Bugwood.org
Girdling roots. Photo provided by: Joseph O'Brien, USDA Forest Service, Bugwood.org
Symptoms of Ganoderma root rot. Photo provided by: Division of Plant Industry Archive, Florida Department of Agriculture and Consumer Services, Bugwood.org
Fruiting bodies of Ganoderma root rot. Photo provided by: Minnesota Department of Natural Resources Archive, Minnesota Department of Natural Resources, Bugwood.org
Fruiting bodies of Ganoderma root rot. Photo provided by: USDA Forest Service - Region 8 Archive, USDA Forest Service, Bugwood.org
