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The Response of Understory Herbs to Soil Depth Gradients in High and Low Diversity Communities." Bulletin of the Torrey Botanical Club 103, no. 4 (1976): 165-172.
"Impacts of White-tailed Deer on the Vegetation of Cades Cove, Great Smoky Mountains National Park. Vol. Report for the Superintendent. Department of the Interior, National Park Serice, 1980.
The Effect of the European Wild Boar (Sus scrofa) on the High-Elevation Vernal Flora in Great Smoky Mountains National Park." Bulletin of the Torrey Botanical Club 101, no. 4 (1974): 198-206.
"Rooting Impacts of the European Wild Boar on the Vegetation of Great Smoky Mountains National Park During a year of Mast Failure." In 2nd. Conference on Scientific Research in the National Parks, 276-293. San Francisco, California, 1979.
"The Structure and Diversity of Herbaceous Understory Communities in Temperate Deciduous Forest. Ithaca, NY: Cornell University, 1975.
Work Plan: Historical Impacts and Plant Succession: A Study to Parallel the Vegetation Survey In Subprojects of Vegetation Survey 1978. Gatlinburg, TN: Uplands Field Research Laboratory , 1978.
Visitor Impact on Backcountry Campsites in the Great Smoky Mountains." Environmental Management 2, no. 5 (1978): 431-442.
"Firewood-Gathering Impacts in Backcountry Campsites in Great Smoky Mountains National Park." Environmental Management 6, no. 1 (1982): 63-71.
"The Status of Botanical Information on National Parks in the Southeastern United States." Castanea 47, no. 2 (1982): 137-147.
"Preservation and Change - Dilemmas of Rare Plant Management in Preserve Systems." In 2nd Conference on Scientific Research in the National Parks, 229. National Park Service, Southeast Region, 1979.
"Impacts of White-tailed Deer on the Vegetation of Cades Cove, Great Smoky Mountains National Park In Proceeding of the Annual Conference South East Association of Fish and Wildlife Agencies 33., 1979.
Ease of Visitor Access and the Population Structure of Two Woodland Orchid Species in Great Smoky Mountains National Park: An Investigation of Possible Effects of Plant Poaching. Athens, GA: US National Park Service Cooperative Unit, University of Georgia, 1982.