Bravo, M. 2005 “PCA Fact Sheet: Japanese Honeysuckle.” Edited by J. Swearingen. Plant Conservation Alliance’s Alien Plant Working Group. Weeds Gone Wild: Alien Plant Invaders of Natural Areas.
Cao, L., L. Berent & A. Fusaro. 2015. “Butomus umbellatus.” USGS Nonindigenous Aquatic Species Database, Gainesville, FL, and NOAA Great Lakes Aquatic Nonindigenous Species Information System, Ann Arbor, MI.
Cao, L., L. Berent & A. Fusaro. 2015. “Typha angustifolia.” USGS Nonindigenous Aquatic Species Database, Gainesville, FL, and NOAA Great Lakes Aquatic Nonindigenous Species Information System, Ann Arbor, MI.
Darke, R. & D. W. Tallamy. 2014. The Living Landscape: Designing for Beauty and Biodiversity in the Home Garden. Timber Press, Portland, OR.
Devon Knotweed Forum. 2008. “Japanese Knotweed: Guidance for Identification & Control.” Environment, Economy & Culture Directorate, Devon County Council, Devon County, United Kingdom.
Executive Order 13112, 1999, Federal Register, 64, 6183. U.S. Government Printing Office, Washington, D.C.
Gillett-Kaufman, J., V. Lietze & E. Weeks. 2014. Hydrilla: Integrated Management. University of Florida Institute of Food and Agricultural Sciences.
Gover, A., J. Johnson & J. Sellmer. 2007. “Managing Japanese Knotweed.” Fact Sheet 4. Conservation Reserve Enhancement Program (CREP) Technical Assistance Series. Pennsylvania State University, Department of Horticulture.
Gover, A., J. Johnson, K. Lloyd & J. Sellmer. 2008. “Japanese Stiltgrass (Microstegium vimineum).” Invasive Plant Species Management. Pennsylvania State University, Department of Horticulture.
Gover, A., J. Johnson, K. Lloyd & J. Sellmer. 2008. “Purple Loosestrife (Lythrum salicaria).” Quick Sheet 6. Invasive Plant Species Management. Pennsylvania State University, Department of Horticulture.
Hightshoe, G. L. 1988. Native Trees, Shrubs, and Vines for Urban and Rural America: A Design Manual for Environmental Designers. New York: John Wiley and Sons, Inc.
Hillmer, J.A. 2014. “IPMP Field Operations Manual.” Cleveland Metroparks Technical Report 2014/NR03. Cleveland Metroparks, Division of Natural Resources, Cleveland, Ohio.
Illinois-Indiana Sea Grant & Illinois Natural History Survey. 2008. “Invasive Species Watch: Brazillian Elodea and Hydrilla.” Invasive Species Watch.
Indiana Department of Natural Resources. 2012. “Reed Canary Grass.” Aquatic Invasive Species fact sheets. Indianapolis, IN.
Invasive Plant Species Assessment Working Group. 2006. “Autumn Olive.” Invasive Plant Fact Sheet. Indianapolis, IN.
Johnson, J., A. Gover & J. Sellmer. 2007. “Managing Multiflora Rose.” Fact Sheet 2. Conservation Reserve Enhancement Program (CREP) Technical Assistance Series. Pennsylvania State University, Department of Horticulture.
King County Department of Natural Resources and Parks. 2011. ”Reed Canary Grass.” King County [Washington] Noxious Weed Control Program Weed Alert.
Lawlor, F. 2006. “PCA Fact Sheet: Black Swallow-wort.” Edited by J. Swearingen. Plant Conservation Alliance’s Alien Plant Working Group. Weeds Gone Wild: Alien Plant Invaders of Natural Areas.
Michigan Department of Environmental Quality. 2014. “A Guide to the Control and Management of Invasive Phragmites.” Third Edition. Water Resources Division. Lansing, MI.
Midwest Invasive Plant Network. 2011. CWMA Cookbook: A Recipe for Success. Indianapolis, IN.
Midwest Invasive Plant Network. n.d. “Flowering Rush (Butomus umbellatus).” New Invaders of the Midwest fact sheets.
Midwest Invasive Plant Network. n.d. “Tree of Heaven (Ailanthus altissima).” New Invaders of the Midwest fact sheets.
Ohio Invasive Plant Council. 2006. “Invasive Plants: Definitions.”
Pannill, P., A. Cook, A. Hairston-Strang & J. Swearingen. 2009. “PCA Fact Sheet: Japanese Hop.” Edited by J. Swearingen. Plant Conservation Alliance’s Alien Plant Working Group. Weeds Gone Wild: Alien Plant Invaders of Natural Areas.
Parkinson, H., J. Mangold, V. Dupuis & P. Rice. 2010. Biology, Ecology, and Management of Flowering Rush. Montana State University Extension.
Pennsylvania Department of Conservation and Natural Resources. n.d. “Common Buckthorn (Rhamnus cathartica).” Invasive Plants in Pennsylvania.
Pennsylvania Department of Conservation and Natural Resources. n.d. “Glossy Buckthorn (Frangula alnus).” Invasive Plants in Pennsylvania.
Pyle, C. 2002. “Hydrilla.” Invasive Species Identification Sheet. U.S. Department of Agriculture, Natural Resources Conservation Service.
Rowe, P. & J. Swearingen. 2005. “PCA Fact Sheet: Garlic Mustard.” Edited by J. Swearingen. Plant Conservation Alliance’s Alien Plant Working Group. Weeds Gone Wild: Alien Plant Invaders of Natural Areas.
Saltonstall, K. 2005. “PCA Fact Sheet: Giant Reed.” Edited by J. Swearingen. Plant Conservation Alliance’s Alien Plant Working Group. Weeds Gone Wild: Alien Plant Invaders of Natural Areas.
Shelton, A. Cornell University Research Lab website, Biological Control: A Guide to Natural Enemies in North America. Cornell University College of Agriculture and Life Sciences.
Swearingen, J. 2005. “PCA Fact Sheet: Japanese Barberry.” Edited by J. Swearingen. Plant Conservation Alliance’s Alien Plant Working Group. Weeds Gone Wild: Alien Plant Invaders of Natural Areas.
Swearingen, J. 2010. “PCA Fact Sheet: Fig Buttercup.” Edited by J. Swearingen. Plant Conservation Alliance’s Alien Plant Working Group. Weeds Gone Wild: Alien Plant Invaders of Natural Areas.
Swearingen, J., B. Slattery, K. Reshetiloff & S. Zwicker. 2010. Plant Invaders of Mid-Atlantic Natural Areas. 5th ed. National Park Service and U.S. Fish and Wildlife Service. Washington D.C.
Swearingen, J. & P. Pannill. 2009.” PCA Fact Sheet: Tree of Heaven.” Edited by J. Swearingen. Plant Conservation Alliance’s Alien Plant Working Group. Weeds Gone Wild: Alien Plant Invaders of Natural Areas.
Swearingen, J. & S. Adams. 2008. PCA Fact Sheet: Japanese Stiltgrass.” Edited by J. Swearingen. Plant Conservation Alliance’s Alien Plant Working Group. Weeds Gone Wild: Alien Plant Invaders of Natural Areas.
Tallamy, D. W. 2009. Bringing Nature Home: How You Can Sustain Wildlife with Native Plants. Updated and Expanded Edition. Timber Press, Portland, OR.
USDA Forest Service. 2006. “European Privet.” Weed of the Week.
USDA Forest Service. n.d. “Common Buckthorn and Glossy Buckthorn.” Northeastern Area State and Private Forestry, Forest Invasive Plants Resource Center.
USDA Natural Resources Conservation Service Connecticut. n.d. “Native, Invasive, and Other Plant-Related Definitions,” Website accessed February 20, 2018.
Wieseler, S. 2005. “PCA Fact Sheet: Common Buckthorn.” Edited by J. Swearingen. Plant Conservation Alliance’s Alien Plant Working Group. Weeds Gone Wild: Alien Plant Invaders of Natural Areas.
Williams, C. 2005. “PCA Fact Sheet: Exotic Bush Honeysuckles.” Edited by J. Swearingen. Plant Conservation Alliance’s Alien Plant Working Group. Weeds Gone Wild: Alien Plant Invaders of Natural Areas.
Wisconsin Department of Natural Resources. 2006. “Garlic Mustard.”
Websites Worth Watching:
Invasive Plant Atlas of the United States
Lake Erie Allegheny Partnership for Biodiversity
Midwest Invasive Plant Network
Pennsylvania Natural Heritage Program
Penn State College of Agricultural Sciences, Department of Plant Science
USDA Forest Service Northeastern Area State and Private Forestry