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“Vascular Plants and Plant Communities of Wickliffe Mounds State Historic Site, Ballard County, Kentucky, U.S.A.”Thompson, Katrina Rivers and Ralph L. Thompson. Journal of the Botanical Research Institute of Texas, 10/1 (2016). 245-266.
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"Buddleja Davidii (Scrophulariaceae) Naturalized Populations in Tennessee (U.S.A.) and its Woody Associates."Thompson, Ralph L., and Katrina Rivers Thompson. Journal Of The Botanical Research Institute Of Texas, 9/1 (2015). 213-227.
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"Thlaspi Allaceum (Bassicaceae) naturalized in Georgia, Missouri, and North Carolina"Thompson, R.L., D.B. Poindexter, K. Rivers Thompson, and P.F. Threadgill. Phytoneuron, 86 (2013). 1-13.
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"Incidence of Phoradendron leucarpum (Viscaceae) at General Burnside State Park, Pulaski County, Kentucky"Ralph L. Thompson and Katrina Rivers Thompson. Journal of the Kentucky Academy of Science, 70/1 (2009). 12-16.
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"Eastern Mistletoe (Phoradendron leucarpum, Viscaceae) in the City of Berea, Kentucky: a High Incidence of Infestation and Eight New Host Species for Kentucky"Ralph L. Thompson, Katrina Rivers Thompson, Elizabeth A. Fleming, Richard D. Cooks, Jessica R. Price, Megan N. Naseman, and Andrew J. Oles. Journal of the Kentucky Academy of Science, 69/1 (2008). 2-10.