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Filters: Keyword is Woolly adelgids and Author is Johnson, Kristine D [Clear All Filters]
Managing Hemlock Woolly Adelgid and Balsam Woolly Adelgid at Great Smoky Mountains National Park." In Third Symposium on Hemlock Woolly Adelgid in the Eastern United States, 232. Asheville, NC: U.S. Forest Service, 2005.
"Fraser Fir and Balsam Wooly Aphid: Summary of Information. The Southern Appalachian Research -- Resource Management Cooperative, 1980.
Fraser Fir in the Great Smoky Mountains National Park: Its Demise by the Balsam Woolly Aphid (Adelges Piceae Ratz.). Knoxville, TN: Department of Forestry, University of Tennessee, 1978.
Balsam Woolly Aphid Infestation of Fraser Fir in the Great Smoky Mountains. Knoxville, TN: University of Tennessee, 1977.
Status of the Balsam Woolly Aphid in the Great Smoky Mountains National Park --- 1976 In Management Report. Gatlinburg, TN: Uplands Field Research Laboratory, 1976.