All photographs in this publication were used with permission of the photographers. Most images are copyrighted by the photographers and/or sources listed below, and may not be used for commercial purposes without prior written permission of the copyright holders. The National Park Service and U.S. Fish and Wildlife Service are grateful for the generosity and cooperation of these photographers.

Atlas of Florida Vascular Plants, University of South Florida (www.plantatlas.usf.edu):
Fred Nation

Marielle Anzelone via Flickr

Bill Johnson Nature Stock Photography, Inc. (www.agpix.com/billjohnson):
Bill Johnson

Bioimages (bioimages.vanderbilt.edu):
Steve Baskauf

Richard I. Bonser via Flickr

Alan Cressler via Flickr

Jennifer Forman Orth

Peter C. Gorman via Flickr

Maryland Department of Natural Resources (www.dnr.state.md.us):
Mike Naylor, Tidewater Ecosystem Assessment
R. Harrison Wiegand, Wildlife and Heritage Division

The Nature Conservancy (www.nature.org):
Mary Travaglini

Penn State Cooperative Extension (www.extension.psu.edu):
Connie Schmotzer

Paula Sullivan

Plant Conservation Alliance (www.nps.gov/plants):
Olivia Kwong

U.S. Department of Agriculture, Natural Resources Conservation Service, PLANTS Database (plants.usda.gov):
Chris Miller, NRCS
Ted Bodner. Miller, J.H. and K.V. Miller. 2005. Forest plants of the southeast and their wildlife uses. University of Georgia Press, Athens.
Larry Allain, USGS NWRC

U.S. Department of the Interior, U.S. Fish & Wildlife Service, Chesapeake Bay Field Office (chesapeakebay.fws.gov):
Britt Slattery

University of Georgia & U.S. Forest Service
Invasive and Exotic Species of North America (www.invasive.org):
James R. Allison, Georgia Department of Natural Resources
Chuck Bargeron, University of Georgia
Ted Bodner, Southern Weed Science Society
John Cardina, The Ohio State University
Chris Evans, River to River CWMA
Troy Evans, Eastern Kentucky University
Alison Fox, University of Florida
Mic Julien, Commonwealth Scientific and Industrial Research Organization
Kerrie L. Kyde, Maryland Department of Natural Resources
Linda Lee, University of South Carolina
Graves Lovell, Alabama Department of Conservation and Natural Resources
Joseph McCauley, US Fish and Wildlife Service
Leslie J. Mehrhoff, University of Connecticut
James H. Miller, USDA Forest Service
David J. Moorhead, University of Georgia
John M. Randall, The Nature Conservancy
Jack Ranney, University of Tennessee
Amy Richard, University of Florida
Jan Samanek, State Phytosanitary Administration
Jil M. Swearingen, National Park Service
USDA APHIS PPQ Archive
Robert Vidéki, Doronicum Kft., Hungary
Paul Wray, Iowa State University
Dan Wihela via Flickr

Wildlife Gardening Adventures (www.gardeningadventures.com):
Jim Gallion

Ron Wilson