First Report of Armillaria sp. in Thailand. C. G. Shaw III, USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, Fort Collins, CO 80526-2098. Dhanee Phanichapol, Royal Forestry Department, Bangkok, Thailand. Plant Dis. 77:847. Accepted for publication 29 April 1993. Copyright 1993 The American Phytopathological Society. DOI: 10.1094/PD-77-0847B.