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1688 Photographers

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Name Organization Images
Forest & Kim Starr U.S. Geological Survey 9666
Howard F. Schwartz Colorado State University 5361
Mary Ellen (Mel) Harte 5213
Robert Vidéki Doronicum Kft. 4357
Chris Evans River to River CWMA 3312
Division of Plant Industry Archive Florida Department of Agriculture and Consumer Services 3060
Karan A. Rawlins University of Georgia 3048
Whitney Cranshaw Colorado State University 2856
Joseph O'Brien USDA Forest Service 2798
Rebekah D. Wallace 2277
Ohio State Weed Lab Archive The Ohio State University 2058
Richard Old XID Services, Inc. 2034
Pest and Diseases Image Library 2005
Joseph M. DiTomaso University of California - Davis 1862
Milan Zubrik Forest Research Institute - Slovakia 1785
William M. Ciesla Forest Health Management International 1669
Dave Powell USDA Forest Service 1533
Lacy L. Hyche Auburn University 1496
Floyd W. Shockley University of Georgia 1385
Joy Viola Northeastern University 1248
David Cappaert Michigan State University 1220
Joseph Berger 1147
The Dow Gardens Archive Dow Gardens 1134
Terry L Spivey Terry Spivey Photography 1092
Clemson University - USDA Cooperative Extension Slide Series 1057
Andrej Kunca National Forest Centre - Slovakia 1041
Paul Bachi University of Kentucky Research and Education Center 1034
James H. Miller USDA Forest Service 1017
United States National Collection of Scale Insects Photographs Archive USDA Agricultural Research Service 991
Alfred Viola Northeastern University 954
Gyorgy Csoka Hungary Forest Research Institute 950
Terry Spivey USDA Forest Service 937
John M. Randall The Nature Conservancy 906
Charles T. Bryson USDA Agricultural Research Service 874
Steve Dewey Utah State University 867
Joseph LaForest University of Georgia 838
Jerry A. Payne USDA Agricultural Research Service 824
USDA Forest Service - Ogden Archive USDA Forest Service 807
Richard Webb Self-employed horticulurist 752
Cesar Calderon USDA APHIS PPQ 730
Pennsylvania Department of Conservation and Natural Resources - Forestry Archive 719
David J. Moorhead University of Georgia 712
Charles Olsen USDA APHIS PPQ 690
John D. Byrd Mississippi State University 686
University of Georgia Plant Pathology Archive University of Georgia 679
Gerald Holmes Valent USA Corporation 629
Jim Baker North Carolina State University 628
Julia Scher USDA APHIS PPQ 626
Jeffrey W. Lotz Florida Department of Agriculture and Consumer Services 620
Sturgis McKeever Georgia Southern University 606
Robert L. Anderson USDA Forest Service 601
Petr Kapitola State Phytosanitary Administration 597
Leslie J. Mehrhoff University of Connecticut 580
Paul Wray Iowa State University 556
Jan Samanek State Phytosanitary Administration 549
Graves Lovell Alabama Department of Conservation and Natural Resources 547
William M. Brown Jr. 532
Steven Katovich USDA Forest Service 523
Ronald F. Billings Texas Forest Service 523
USDA Forest Service - Region 8 Archive USDA Forest Service 503
J.R. Baker & S.B. Bambara North Carolina State University 490
Ted Bodner Southern Weed Science Society 450
John Cardina The Ohio State University 437
USDA Forest Service - Northeastern Area Archive USDA Forest Service 435
James Solomon USDA Forest Service 415
Gerald J. Lenhard Louiana State Univ 411
Department of Plant Pathology Archive North Carolina State University 407
Mary Ann Hansen Virginia Polytechnic Institute and State University 400
James Henderson Gulf South Research Corporation 388
Johnny N. Dell 384
Wendy VanDyk Evans 378
David Gent USDA Agricultural Research Service 368
Tony Pernas USDI National Park Service 364
USDA Forest Service - Rocky Mountain Region Archive USDA Forest Service 358
Paul Bolstad University of Minnesota 358
Natasha Wright Florida Department of Agriculture and Consumer Services 345
Gary Alpert Harvard University 344
Brian Lockhart USDA Forest Service 336
Stanislaw Kinelski 331
Frank Peairs Colorado State University 323
USDA APHIS PPQ Archive USDA APHIS PPQ 322
Bill Cook Michigan State University 312
Susan Ellis 312
Ken Chamberlain The Ohio State University 301
Edward L. Barnard Florida Department of Agriculture and Consumer Services 301
Caleb Slemmons University of Maine 296
Charles Averre North Carolina State University 291
William Jacobi Colorado State University 279
Catherine Herms The Ohio State University 277
USDA Forest Service - North Central Research Station Archive USDA Forest Service 276
Russ Ottens University of Georgia 275
Minnesota Department of Natural Resources Archive Minnesota Department of Natural Resources 274
R.J. Reynolds Tobacco Company Slide Set R.J. Reynolds Tobacco Company 271
Bonsak Hammeraas Bioforsk - Norwegian Institute for Agricultural and Environmental Research 271
Theodore Webster USDA Agricultural Research Service 263
Barbara Tokarska-Guzik University of Silesia 263
Erich G. Vallery USDA Forest Service - SRS-4552 245
Chris Schnepf University of Idaho 244
G. Keith Douce University of Georgia 243
USDA Forest Service Archive USDA Forest Service 234
Barry Rice sarracenia.com 233
Ferenc Lakatos University of West-Hungary 228
Kenneth M. Gale 225
Bryan Kotwica Davey Tree 225
Merle Shepard, Gerald R.Carner, and P.A.C Ooi Insects and their Natural Enemies Associated with Vegetables and Soybean in Southeast Asia 224
Jim Occi BugPics 222
Hannes Lemme 220
Nancy Loewenstein Auburn University 217
Dan Tenaglia Missouriplants.com 217
Dan Clark USDI National Park Service 217
Brytten Steed USDA Forest Service 216
A. Steven Munson USDA Forest Service 214
Rocky Mountain Research Station/Forest Pathology Archive USDA Forest Service 213
Lesley Ingram 211
Norman D. Davis 210
Terry Price Georgia Forestry Commission 208
Scott Bauer USDA Agricultural Research Service 205
Edward L. Manigault Clemson University Donated Collection 202
Maja Jurc University of Ljubljana 200
David Stephens 195
Ronald Smith Auburn University 194
Jessica Lawrence Eurofins Agroscience Services 191
James Denny Ward USDA Forest Service 188
Alton N. Sparks, Jr. University of Georgia 188
Chuck Bargeron University of Georgia 185
Dennis Haugen 180
Manfred Mielke USDA Forest Service 178
Louis-Michel Nageleisen Département de la Santé des Forêts 177
Tom DeGomez University of Arizona 174
Lynn Sosnoskie University of Georgia 173
Gil Wojciech Polish Forest Research Institute 170
Linda Haugen USDA Forest Service 170
USDA APHIS PPQ Archive USDA APHIS PPQ 168
Norbert Frank University of West Hungary 167
Donald Groth Louisiana State University AgCenter 166
John H. Ghent USDA Forest Service 162
USDA PLANTS Database USDA NRCS PLANTS Database 162
Norman E. Rees USDA Agricultural Research Service 161
USDA Forest Service Archive USDA Forest Service 161
Gerard D. Hertel West Chester University 160
Howard Ensign Evans Colorado State University 158
R.K. Jones North Carolina State University 157
Darren Blackford USDA Forest Service 157
Bonnie Million National Park Service 156
Donald Owen California Department of Forestry and Fire Protection 155
H.J. Larsen 153
Herbert A. "Joe" Pase III Texas Forest Service 152
E. Richard Hoebeke Cornell University 152
Mark Adams Downey Trees 151
Randy Cyr Greentree 149
Susan Ellis USDA APHIS PPQ 144
Connecticut Agricultural Experiment Station Archive Connecticut Agricultural Experiment Station 143
Haruta Ovidiu University of Oradea 140
Amy Ferriter State of Idaho 138
Charles T. and John R. Bryson 138
Daniel Herms The Ohio State University 137
Arnold T. Drooz USDA Forest Service 136
John A. Weidhass Virginia Polytechnic Institute and State University 132
Paul A. Mistretta USDA Forest Service 130
Richard Carter Valdosta State University 130
Elizabeth Bush Virginia Polytechnic Institute and State University 130
Doug Page USDI Bureau of Land Management 128
Mark Frey The Presidio Trust 128
DAFF Archive 127
Steve Hurst USDA NRCS PLANTS Database 126
David Jones University of Georgia 125
John Ruter University of Georgia 123
USDA ARS Archive USDA Agricultural Research Service 120
Tom Heutte USDA Forest Service 119
Landesforstpräsidium Sachsen Archive 119
Eric Coombs Oregon Department of Agriculture 119
David B. Langston University of Georgia 117
Eugene E. Nelson 116
Franklin Bonner USFS (ret.) 115
Fabio Stergulc Università di Udine 113
Eric R. Day Virginia Polytechnic Institute and State University 111
Keith Kanoti Maine Forest Service 110
Thomas Atkinson Pest Management Research 107
Troy Evans Great Smoky Mountains National Park 105
Larry R. Barber USDA Forest Service 105
Louis Tedders USDA Agricultural Research Service 100
Alan Windham University of Tennessee 100
James B. Hanson USDA Forest Service 98
Phillip Roberts University of Georgia 94
L.L. Berry 94
Carey Minteer University of Georgia 92
Scott Tunnock USDA Forest Service 92
USDA ARS Photo Unit USDA Agricultural Research Service 92
Michael Shephard USDA Forest Service 91
Cheryl Moorehead individual 90
Andrew Koeser International Society of Arboriculture 89
Phil Westra Colorado State University 89
Kenneth R. Law USDA APHIS PPQ 88
James R. Allison Georgia Department of Natural Resources 87
Jiri Hulcr Michigan State University 85
Pedro Tenorio-Lezama 85
J.G. Davis 83
Thomas C. Croker USDA Forest Service 82
Thomas D. "Tom" Landis USDA Forest Service 80
David Dickens University of Georgia 80
Jil M. Swearingen USDI National Park Service 80
David Riley University of Georgia 80
Lori Oberhofer National Park Service 79
Nestor Yglesias South Florida Water Management District 79
Kevin Ong Texas AgriLife Extension Service 78
Fred Baker Utah State University 78
University of Georgia Archive University of Georgia 77
Andrea Battisti Università di Padova 77
M.E. Bartolo 77
Robert Dzwonkowski 76
Peggy Greb USDA Agricultural Research Service 75
David McComb USDA Forest Service 74
Arthur E. Miller USDA APHIS PPQ 74
G.E. Cardon 73
Jerald E. Dewey USDA Forest Service 72
Carroll E. Younce USDA Agricultural Research Service 72
H C Ellis University of Georgia 71
USDA Forest Service - Forest Health Protection - St. Paul Archive USDA Forest Service 71
Mary Burrows Montana State University 70
Pam Fuller USGS 70
Great Smoky Mountains National Park Resource Management Archive USDI National Park Service 70
Raymond Gill California Department of Food and Agriculture 70
Central Science Laboratory, Harpenden Archive British Crown 69
E. Bradford Walker Vermont Department of Forests, Parks and Recreation 67
Andrew J. Boone South Carolina Forestry Commission 67
Randy Westbrooks U.S. Geological Survey 67
National Interagency Fire Center Archive 67
Allen Bridgman South Carolina Department of Natural Resources 66
Jennifer C. Girón Duque University of Puerto Rico 66
Jan Liska Forestry and Game Management Research Institute 66
Roger Ryan USFS PNW Station 65
Mike Schomaker Colorado State Forest Service 64
Albert (Bud) Mayfield Florida Department of Agriculture and Consumer Services 64
Center for Disease Control Archive Centers for Disease Control and Prevention 64
Andrea Atkinson National Park Service 63
Piero Amorati ICCroce - Casalecchio di Reno 62
Billy Humphries Forest Resource Consultants, Inc. 62
Jim Stimmel Pennsylvania Department of Agriculture 62
Ricky Layson Ricky Layson Photography 62
Daniel R. Suiter University of Georgia 62
Beat Forster Swiss Federal Institute for Forest, Snow and Landscape Research 62
Utah State University Archive Utah State University 62
Thomas E. Hinds USDA Forest Service 61
Kevin D. Arvin 61
Scott Roberts Mississippi State University 60
Zelimir Borzan University of Zagreb 60
USDA Forest Service Archive USDA Forest Service 59
Keith Weller USDA Agricultural Research Service 59
Edward H. Holsten USDA Forest Service 59
Theodor D. Leininger USDA Forest Service 58
John D. Hodges Mississippi State University 58
Dale Wade Rx Fire Doctor 58
Doug Maguire Oregon State University 58
David P. Shorthouse University of Alberta 58
Montana Statewide Noxious Weed Awareness and Education Program Archive Montana State University 58
Art Cushman USDA; Property of the Smithsonian Institution, Department of Entomology 57
Jeremy Greene Clemson University 57
North Carolina Forest Service Archive 56
Herb Pilcher USDA Agricultural Research Service 56
Susan K. Hagle USDA Forest Service 56
R.L. Croissant 56
Yuan-Min Shen Taichung District Agricultural Research and Extension Station 56
Anyi Mazo-Vargas University of Puerto Rico 56
William Fountain University of Kentucky 55
Ronald S. Kelley Vermont Department of Forests, Parks and Recreation 55
Patricia M. Ciesla Forest Health Management International 55
Carl Dennis Auburn University 54
Stephen F. Austin State University Archive Stephen F. Austin State University 54
John Triana Regional Water Authority 54
Max Williamson USDA Forest Service 53
Steve L. Brown University of Georgia 53
Timothy Haley USDA Forest Service 53
Fred Brooks University of Hawaii at Manoa 52
John Moser USDA Forest Service 51
N.A. Irlbeck 51
Juliana Cardona-Duque University of Puerto Rico 50
Tim Tigner Virginia Department of Forestry 50
Rayanne Lehman Pennsylvania Department of Agriculture 50
William D. Boyer USDA Forest Service 50
Thomas B. Denholm New Jersey Department of Agriculture 50
Daniela Lupastean University of Suceava 49
Lance S. Risley William Paterson University 48
R. Scott Cameron Advanced Forest Protection, Inc. 48
Mark McMillan Colorado State University 48
James Johnson Georgia Forestry Commission 47
Gary Wade University of Georgia 47
Natalie Hummel Louisiana State University AgCenter 47
Todd Pfeiffer Klamath County Weed Control 46
Francis Gwyn Jones 46
Marisa Williams University of Arkansas, Fayetteville 45
Kenneth E. Gibson USDA Forest Service 45
Georgia Forestry Commission Archive Georgia Forestry Commission 44
Daniel Adam Office National des Forêts 44
Gary Peeples US Fish and Wildlife Service 42
Jody Fetzer New York Botanical Garden 42
William A. Carothers USDA Forest Service 41
Ladd Livingston Idaho Department of Lands 41
M.A. Brick 41
Michael C. Thomas Florida Department of Agriculture and Consumer Services 39
Robert Reed USGS 38
J.S. Quick 37
R.L. Hamblen 36
Harry O. Yates III USDA Forest Service 36
Steve McKeand North Carolina State University 36
Elizabeth Bella USDA Forest Service 35
Jonathan D. Eisenback Virginia Polytechnic Institute and State University 35
Lisa Ames University of Georgia 35
John W. Dooley USDA APHIS PPQ 35
USDA ARS European Biological Control Laboratory USDA ARS - European Biological Control Laboratory 35
Vladimir Dinets University of Miami 34
David Mohn Critters Page (Creatures Great and Small) 33
Stephen Bratkovich USDA Forest Service 32
Vanessa Richins About.com 32
Dragan Nestorovic elektra 32
Lisa Jameson U.S. Fish and Wildlife 31
Sonya Broughton Department of Agriculture & Food Western Australia 31
Eli Sagor University of Minnesota 31
David Parsons University of Wisconsin 31
The Nature Conservancy Archive The Nature Conservancy 31
John W. Schwandt USDA Forest Service 31
Eddie McGriff University of Georgia 30
Cindy Roche 30
Rory Register Rory's Photography 30
Mike Reding & Betsy Anderson USDA Agricultural Research Service 30
Casey Sanders 29
Joe Murray Treebio.com 29
Linda Wilson University of Idaho 29
Michelle Grabowski University of Minnesota Extension - Horticulture 29
J. Michael Moore University of Georgia 29
Daniel Miller USDA Forest Service 28
U.S. Geological Survey Archive U.S. Geological Survey 28
Wayne Brewer Auburn University 28
Oscar Dooling USDA Forest Service 28
Kevin Enge Florida Fish and Wildlife Conservation Commission 28
Nancy Fraley USDI National Park Service 28
Arun T.P. 28
Jamie Nielsen University of Alaska Fairbanks, Cooperative Extension Service 28
University of Arkansas Forest Entomology Lab Archive University of Arkansas 27
José Luís Delgado 27
Annemarie Smith ODNR Division of Forestry 27
Bruce W. Kauffman Tennessee Department of Agriculture 27
George Markin USDA Forest Service 27
Mat Pound USDA Agricultural Research Service 26
Gino Nearns University of Florida 26
W. Billen Pflanzenbeschaustelle, Weil am Rhein 26
Plant Protection Service Archive Plant Protection Service 26
Yuri Yashin achatina.ru 26
Sasa Kunovac University of Sarajevo 26
Dennis J. Giardina Florida Fish and Wildlife Conservation Commission 26
Alberto Pantoja USDA Agricultural Research Service 26
Ned Tisserat Colorado State University 25
Biologische Bundesanstalt für Land- und Forstwirtschaft Archive Biologische Bundesanstalt für Land- und Forstwirtschaft 25
Christopher Hogger Swiss Federal Research Station for Agroecology and Agriculture 25
Frank M. Riley, Jr. Georgia Forestry Commission 25
Brian Kunkel University of Delaware 25
Robert L. James USDA Forest Service 25
Ron Halstead Halstead Forestry & Realty, Inc. 25
Loke T. Kok Virginia Polytechnic Institute and State University 25
John L. Foltz University of Florida 24
Dale Pollet Louisiana State University AgCenter 24
Julieta Brambila USDA APHIS PPQ 24
Bruce Moltzan Missouri Department of Conservation 23
Duncan McClusky University of Georgia 23
USDA Forest Service - Region 4 Archive USDA Forest Service 23
Stephen Ausmus USDA Agricultural Research Service 23
Ron Long Simon Fraser University 23
Bob Farrah USDA Forest Service 23
UAF Cooperative Extension Archive University of Alaska - Fairbanks 23
Curtis Utley CSUE 23
Victor Sarto i Monteys Servei de Proteccio dels Vegetals 23
Ulrich Zunke University of Hamburg 22
John Guyon USDA Forest Service 22
USDA APHIS PPQ Archive USDA APHIS PPQ 22
Anthony D. White The Ohio State University 22
Don Ferrin Louisiana State University Agricultural Center 22
Evgeny Akulov Russian Research Institute Of Plant Quarantine 22
Esmat M. Hegazi University of Alexandria 22
Jonathan Armstrong University of Southern California 22
Steve Manning Invasive Plant Control 22
GB Edwards Florida Department of Agriculture and Consumer Services 21
Joe Nicholson Nature photographer 21
Jeff Stachler The Ohio State University 21
Gary L. Piper Washington State University 21
James N. Long Utah State University 21
Ministry of Agriculture and Regional Development Archive Ministry of Agriculture and Regional Development 21
David T. Almquist University of Florida 21
Tom Coleman University of Kentucky 21
Gerald Wheeler USDA APHIS PPQ 20
Laura Lazarus North Carolina Division of Forest Resources 20
Frank E French Georgia Southern University 20
Kim Camilli Texas Forest Service 20
Lew Diehl 20
Eric Prostko University of Georgia 20
Diane Davies University of Georgia 20
Richard A. Casagrande University of Rhode Island 20
Bernd Blossey Cornell University 20
USDA Forest Service Archive USDA Forest Service 20
Veli Pohjonen East Usambara Conservation Area Management Programme 20
Christina Romagosa Auburn University 20
Barb Corwin Turfgrass Diagnostics 19
Florida Fish and Wildlife Conservation Commission Archive 19
Mike Pingleton University of Illinois at Urbana-Champaign 19
Jess Van Dyke Snail Busters, LLC 19
Eric LaGasa Washington State Department of Agriculture 19
Dale E. Meyerdirk USDA APHIS PPQ 19
Robert M. McPherson University of Georgia 19
Paula Klasmer Instituto Nacional de Tecnologia Agropecuaria 19
Bradley Higbee Paramount Farming 19
Peter Wirtz 19
University of Idaho Archive University of Idaho 19
J. Jeffrey Mullahey University of Florida 19
Allan Bullard USDA Forest Service 19
Cheryl McCormick University of Florida 19
Mark Atwater Weed Control Unlimited, Inc. 19
Stephen M. Garnsey USDA-ARS, South Atlantic Area 19
Christopher Pierce USDA APHIS PPQ 18
D.D. Cadahía Subdirección General de Sanidad Vegetal 18
Mississippi State University Archive Mississippi State University 18
Charles Turner USDA Agricultural Research Service 18
Vladimir Petko V.N. Sukachev Institute of Forest SB RAS 18
Virginia Tech Learning Resources Center Virginia Polytechnic Institute and State University 18
Robert Wick University of Massachusetts 17
P.F. Byrne 17
H.R. Duke 17
Samuel Wright Fairchild Tropical Garden 17
Mohammed El Damir Pest Management 17
Beverly Turner Jackson Minnesota 17
Bob Nowierski Montana State University 17
Daniel H. Brown USDA Forest Service 17
Terry English USDA APHIS PPQ 17
John Ruberson University of Georgia 17
James W. Byler USDA Forest Service 17
F.W. Howard University of Florida 17
Boris Hrasovec Faculty of Forestry 17
Zhihong Pan Galileo Group Inc. 17
Dennis Haugen USDA Forest Service 16
U. Mazzucchi Università di Bologna 16
Doug Stone Mississippi State University 16
Paul Bertrand University of Georgia 16
James W. Amrine Jr. West Virginia University 16
Richard Sprenkel University of Florida 16
Peter Bedker 16
J.H. Hofmeyr Citrus Research International 16
Ken Masten Georgia Forestry Commission 16
Jim Skiera 15
Hector Mialma 15
Juan Manuel Alvarez University of Idaho 15
W. Robert Maple USDA Forest Service 15
Agriculture and Agri-Food Canada Archive Agriculture and Agri-Food Canada 15
Sandy Kegley USDA Forest Service 15
Texas Forest Service Archive Texas Forest Service 15
Jane Taylor USDA Forest Service 15
Dr. Reuven Jacobsohn Agricultural Research Organization 15
Ken A. Langeland University of Florida 15
Jack Dykinga USDA Agricultural Research Service 15
H.C. Evans CAB Interational 15
Eric Erbe USDA Agricultural Research Service 14
Mic Julien Commonwealth Scientific and Industrial Research Organization 14
Michael Rasy University of Alaska 14
Michael McClure University of Arizona 14
Rachel Woodfield Merkel & Associates, Inc. 14
Lawrence Morris University of Georgia 14
Steve M. Brown University of Georgia 14
Mark McGregor USDA Forest Service 14
Patrick Breen Oregon State University 14
Jean Burns Florida State University 14
Bernard J. Raimo USDA Forest Service 14
Alex Pauvolid-Corrêa Fundação Oswaldo Cruz 14
S.K. McDonald 14
Rob Andress Department of Conservation & Natural Resources 14
Robert Benjamin None 13
Michael Barron National Park Service 13
S. K. Mohan 13
Andrew Derksen FDACS/DPI 13
Natalia Kirichenko 13
Frantisek Soukup 13
Ignacio Baez USDA Agricultural Research Service 13
Gary Bernon USDA APHIS 13
Norbert J. Cordeiro University of Illinois at Chicago 13
Karen Brown University of Florida 13
David R. Lance USDA APHIS PPQ 13
David Adams University of Georgia 13
William Lambert University of Georgia 13
USDA Forest Service - Pineville Archive USDA Forest Service 13
Willey Durden USDA Agricultural Research Service 13
Scott Robinson Georgia Department of Natural Resources 13
Leonard Newell USDA Forest Service 13
Eric Engbretson US Fish and Wildlife Service 13
European and Mediterranean Plant Protection Organization Archive 13
Agriculture Canada, Ottawa Archive 13
Britt Slattery US Fish and Wildlife Service 13
Gillian Allard FAO of United Nations 12
Paolo Mazzei 12
J.M. Bové INRA Centre de Recherches de Bordeaux 12
Alex Mangini USDA Forest Service 12
Agroscope FAL Reckenholz Archive Swiss Federal Research Station for Agroecology and Agriculture 12
Thomas Jung 12
Jijing Song and Juan Shi Beijing Forestry University 12
Alan Mills 12
Victor Ryabincov 12
Mary Ann Fajvan West Virginia University 12
L.D. Dwinell USDA Forest Service 12
Southern Forest Insect Work Conference Archive Southern Forest Insect Work Conference 12
James McGraw North Carolina State University 12
Paul E. Hennon USDA Forest Service 12
Will Hudson University of Georgia 12
Clinton Shock Oregon State University 12
Carol LaFayette Visualization Department, Texas A&M University College of Architecture 12
Virginia Tech Plant Pathology Archive Virginia Polytechnic Institute and State University 12
Mark Chisholm Aspen Tree Care Company 12
Helena Giannini Miami Dade County 12
Tamla Blunt Colorado State University 12
Erik Stromberg Virginia Polytechnic Institute and State University 11
Robert Lambe Virginia Polytechnic Institute and State University 11
S.A. Andrews USDA Forest Service 11
Katherine Parys Louisiana State University 11
Kristina Simms 11
Donald M. Grosman Texas Forest Service 11
W.H. Bennett USDA Forest Service 11
John M. Staley USDA Forest Service 11
Robert F. Wittwer Oklahoma State University 11
Washington State University Archive Washington State University 11
David M. Moehring Mississippi State University 11
Dwight K. Lauer Auburn University 11
Dennis Navea 11
Bob Richard USDA APHIS PPQ 11
Randall Blackburn Smithsonian Institution 11
Canadian Food Inspection Agency Archive 11
L. Giunchedi Università di Bologna 11
California Department of Food and Agriculture Archive 10
Duane Raver US Fish and Wildlife Service 10
Roger Lopez-Chaves Universidad de Costa Rica 10
Ruben Durán Washington State University 10
Rebecca A. Melanson Louisiana State University AgCenter 10
Paul Butts Georgia Forestry Commission 10
Todd Watson Texas A&M University 10
Alison Fox University of Florida 10
USDA Forest Service Archive USDA Forest Service 10
Edward Czerwinski Ontario Ministry of Natural Resources 10
Stan Diffie University of Georgia 10
Milos Knizek Forestry and Game Management Research Institute 10
Dean Morewood Health Canada 10
Neal Spencer USDA Agricultural Research Service 10
Steve Passoa USDA APHIS PPQ 10
Wayne N. Dixon Florida Department of Agriculture and Consumer Services 10
Mike Ostry USDA Forest Service 10
Boris Castro Texas A&M University 10
Devon Pfeiffer 10
Charles Hoysa Virginia Cooperative Extension 10
Skip Snow National Park Service 10
Kelle Sullivan Florida Fish and Wildlife Conservation Commission 10
Department of Primary Industries and Water, Tasmania Archive 10
Susan Pierce Trees Atlanta 10
Marsha Ward Florida Fish and Wildlife Conservation Commission 9
Ayanava Majumdar Alabama Cooperative Extension System 9
John J. Mosesso National Biological Information Infrastructure 9
Meg Williamson Clemson University 9
Roland J. Stipes Virginia Polytechnic Institute and State University 9
Jeffrey Wilson USDA Agricultural Research Service 9
Ann Murray University of Florida 9
Howard F. Schwartz & Jillian M. Lang 9
J.A. Davidson 9
Andrew Petrie University of Toronto 9
Central Science Laboratory Archive Crown Copyright 9
James R. Meeker USDA Forest Service 9
North Carolina State University Archive North Carolina State University 9
Christopher Asaro University of Georgia 9
Alec McClay McClay Ecoscience 9
Jacques Regad Département de la Santé des Forêts 9
James W. Smith USDA APHIS PPQ 9
Vince Belleci 9
Michael Bohne 9
Michael Mengak University of Georgia 9
Clair Merrit Purdue University 9
Fredric Miller Miller Joliet Junior College 9
T. Azeri Plant Protection Research Institute 9
Sthephen A. Lewis Clemson University 9
Clive Shirley Hidden Forest Designs 9
Bob Rabaglia Maryland Department of Agriculture 9
James D. Young USDA APHIS PPQ 9
A. Eppler Justus-Liebig Universität 9
Kerrie L. Kyde Maryland Department of Natural Resources 9
J.K. Brown University of Arizona 9
M. Clerjeau INRA, Centre de Recherches de Bordeaux 9
Timothy Schubert Florida Department of Agriculture and Consumer Services 9
Robert Richardson Michigan State University 8
Tom Gray Canadian Forest Service 8
Stacey Leicht University of Connecticut 8
L. Navarro Instituto Valenciano de Investigaciones Agrarias 8
J.J. Tuset Instituto Valenciano de Investigaciones Agrarias 8
Jon Sweeney Natural Resources Canada 8
U.S. Fish and Wildlife Service Archive US Fish and Wildlife Service 8
J.P. Michaud Kansas State University 8
W.G. Ziller 8
UK Forestry Commission Archive 8
SCRI-Dundee Archive Scottish Crop Research Institute 8
USDA ARS Archive USDA Agricultural Research Service 8
Ollie Knott Georgia Forestry Commission 8
Jenn Grieser New York City Department of Environmental Protection 8
Paul Weston Cornell University 8
Brian Sullivan USDA APHIS PPQ 8
Troy Kimoto Canadian Food Inspection Agency 8
USDA APHIS PPQ Archive USDA APHIS PPQ 8
Julie Kikkert Cornell Cooperative Extension 8
Jeff Portwood Temple-Inland 8
Barry Freeman Auburn University 8
Tim Murphy University of Georgia 8
Peter A. Rush USDA Forest Service 8
I. Blakey Lockman USDA Forest Service 8
USDA Forest Service - Alaska Archive USDA Forest Service 8
James D. Ellis University of Florida 8
Connie Strunk South Dakota State University 8
Linda Lee University of South Carolina 8
Ian Kimber 8
HortNET Archive The Horticulture and Food Research Institute of New Zealand 8
D.R. Miller 8
N.S. Luepschen 8
G.W. Buchleiter 8
Fernando Gallardo Huelva Forestry University 8
Nancy Gregory University of Delaware 8
Stephanie Sopow Natural Resources Canada 8
Diego Olmo Laboratori Sanitat Vegetal-Illes Balears 8
Gary Kling University of Illinois 8
Myron Adams Home Owner 8
Milton Rush Plant Pathology, Louisiana State University 7
Samantha Anderson Everglades National Park 7
Ellen Lake University of Delaware 7
Charles Drake Virginia Polytechnic Institute and State University 7
Ethel Dutky University of Maryland 7
G.M. Buxton 7
Ida Paul Small Grain Institute 7
Mark Czarnota University of Georgia 7
Jeremy Lee 7
Georgette Smith Canadian Forest Service 7
Bob Oakes USDA Forest Service 7
Donald F. Rogers North Carolina Division of Forest Resources 7
Anne W. Gideon 7
Alan Flynn New Zealand Ministry of Agriculture and Forestry 7
Billy Craft 7
Nez Perce BioControl Center Archive Nez Perce BioControl Center 7
John Kraus 7
Fred Nation Weeks Bay National Estuarine Research Reserve 7
Robert L. Johnson Cornell University 7
J. Brasington USDA Forest Service 7
Byron Rhodes University of Georgia 7
Kevin Dodds USDA Forest Service 7
Juan Shi Beijing Forestry University 7
Connie Gray GA-EPPC 7
Kenneth Seebold University of Kentucky 7
Victor Cordova City of Houston, Urban Forestry Division 7
Bill Gallup 7
Wayne Williamson 7
Jason Gatch University of Georgia 7
Lee Karney US Fish and Wildlife Service 7
Carlos Amadeu Leite de Oliveira Universidade Estadual Paulista 7
Rudolf H. Scheffrahn University of Florida 7
Janet S. McCulloch Department of Primary Industries and Fisheries, Queensland 7
Mariano Muñiz Centro de Ciencias Medioambientales 7
David Nance USDA Agricultural Research Service 7
David Hall USDA Agricultural Research Service 7
John Connett University of Idaho 7
Amy Benson U.S. Geological Survey 7
Hania Berdys 7
David Nicholls dcnicholls.com 7
Don Herbison-Evans University of Sydney 6
Ian F. Smith 6
David G. Robinson USDA APHIS PPQ 6
Luboš R. Kolouch 6
K.B. Jamieson Canadian Forest Service 6
E.G. Kuhlman USDA Forest Service 6
Billy R. Wiseman USDA Agricultural Research Service 6
Stanley Culpepper University of Georgia 6
John N. Gibbs Forestry Commission 6
Kurt Stueber Max-Planck-Institute for Plant Breeding Research, Cologne 6
Les Tanner North West Weeds 6
H.H. Triantaphyllou Nemapix picture set 6
Christina DiFonzo Michigan State University 6
International Potato Center Archive 6
J.D. Roberts 6
Sanford D. Porter USDA-ARS, Center for Medical, Agricultural and Veterinary Entomology 6
Temel Gokturk Artvin Forest 6
Greg Leach International Paper 6
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Tim Varnedore University of Georgia 6
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Robert D. Richard USDA APHIS PPQ 6
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Forrest L. Oliveria USDA Forest Service 6
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Tom Eubank Mississippi State University 6
Kristen Riolo Priceless Memories 6
Bodie Pennisi University of Georgia 6
O.P. Sharma NCIPM, New Delhi. India 6
Brad Haire University of Georgia 6
Bob Lepak 6
Michael Kangas NDSU - North Dakota Forest Service 6
Carol Hayes Burnt Fork Watershed Alliance 6
Stephen Lew University of California - Berkeley 6
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OSU Extension Slide Set Archives The Ohio State University 6
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Luana Vargas International Society of Arboriculture 5
Mandy Tu The Nature Conservancy 5
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Howard F. Schwartz & Mark S. McMillan 5
Mary Foley Benson USDA; Property of the Smithsonian Institution, Department of Entomology 5
Jeffrey Eickwort Florida Department of Agriculture and Consumer Services 5
Nancy Hinkle University of Georgia 5
Philip Rusted Thurlow Countryside Management (r&d) 5
Nava Tabak Invasive Plant Atlas of New England 5
Chip Bates Georgia Forestry Commission 5
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A.A. Newton USDA Agricultural Research Service 5
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Dewey Lee University of Georgia 5
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Canadian Forest Service Archive Canadian Forest Service 5
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Michael Montgomery USDA Forest Service 5
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Virgil Davis USDA Forest Service 5
Dennis Teague U.S. Air Force 5
Jean-François Abgrall Centre d'étude du machinisme agricole du génie rural, des eaux et forêts 5
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Art Wagner USDA APHIS PPQ 5
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T.W. Mew International Rice Research Institute 5
State Plant Pathology Institute of Denmark Archive 5
G. Morvan INRA, Montfavet 5
Laurence I. Miller Virginia Polytechnic Institute and State University 5
Dr. Lynn Clark and Anna Gardner Iowa State University 5
Giuseppina Pellizzari Faculty of Agriculture, Dept.Entomology 5
Bill Godfrey Georgia Forestry Commission 5
Lynn Jones and Nathan Havill USDA Forest Service 5
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A. van Frankenhuijzen Plant Protection Service 5
A.T. Jones Scottish Crop Research Institute 5
Walter Stahel Environmental Bay of Plenty 5
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J.W. Walters 5
M.G. Klein USDA Agricultural Research Service 5
P.G. Psallidas Benaki Institute, Athens 5
G. Marchoux INRA Station de Pathologie Végétale 5
Dr. Augustin Landesanstalt für Pflanzenbau und Pflanzenschutz: Mainz 5
Robert Hedburg St. Louis County Land Department 5
Biologische Bundesanstalt für Land- und Forstwirtschaft Archive Biologische Bundesanstalt für Land- und Forstwirtschaft 5
Heinz USA Archive 4
A. Vigouroux ENSA 4
Alexander Purcell University of California 4
M.A. van den Berg Institute for Tropical and Subtropical Crops 4
Biolog. Bundesans., Inst. f. Pflanzenschutz im Weinbau Archive 4
Forestry Canada, Ottawa Archive 4
C.A. de Klerk Nietvoorbij Institute for Viticulture and Oenology 4
Gerhard Elsner Biologische Bundesanstalt für Land- und Forstwirtschaft 4
J. Guyot INRA, Pointe-à-Pitre 4
Larry Line Mostly Moths of Maryland 4
Shimat Joseph University of Georgia 4
UConn Plant Database www.hort.uconn.edu/plants 4
Ohio State Univ Ohio Ag. research & Development Center 4
Gerald D. Carr Carr Botanical Consultation 4
Stephen W. Bullington USDA APHIS PPQ 4
Jack Ranney University of Tennessee 4
J. Johnson University of Idaho 4
Dr. Backhaus Biologische Bundesanstalt für Land- und Forstwirtschaft 4
G.W. Wallis 4
M. Goto 4
Csaba Szaboky 4
Houping Liu Michigan State University 4
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Wood Johnson USDA Forest Service 4
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SRPV, Nice Archive Les Services Régionaux de la Protection des Végétaux 4
ENSA-Montpellier Archive Ecole nationale supérieure agronomique de Montpellier 4
INRA-Bordeaux Archive Institut National de la Recherche Agronomique 4
Bayer Pflanzenschutz Archive Bayer Pflanzenschutz 4
S.L. Goldson MAFTech 4
R. Grimm 4
Richard C. Edwards Purdue University 4
Robert J. Richardson North Carolina State University 4
Richard W. Hansen USDA APHIS PPQ 4
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April Noble Antweb.org 4
University of Alaska - Anchorage Archive University of Alaska - Anchorage 4
Michelle Cram USDA Forest Service 4
International Rice Research Institute Archive 4
Malcolm Storey BioImages - Virtual Field-Guide 4
Joel E. Miles Office of Environmental Response and Coordination 4
Anne Miller Soil and Water Conservation 4
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Paul H. Peacher USDA Forest Service 4
Wayne A. Sinclair Cornell University 4
Craig Ramsey USDA APHIS PPQ 4
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Donald Duerr USDA Forest Service 4
Jack T. Reed Mississippi State University 4
Min B. Rayamajhi USDA Agricultural Research Service 4
Peter Room The University of Queensland 4
David G. Nielsen The Ohio State University 4
Hariet Hinz & Ester Gerber CABI Biosciences 4
Peter Harris Agriculture and Agri-Food Canada 4
James O. Howell University of Georgia 4
Jack C. Nord USDA Forest Service 4
Cathy Stewart USDA Forest Service 4
Bruce Smith USDA APHIS PPQ 4
L. M. Marsh Florida Department of Agriculture and Consumer Services 4
Clyde Dowler USDA Agricultural Research Service 4
Robert W. Matthews University of Georgia 4
Craig Sheppard University of Georgia 4
John R. Tolliver USDA Forest Service 4
David W. Johnson USDA Forest Service 4
Bernard H. Ebel USDA Forest Service 4
William H. Hoffard USDA Forest Service 4
Brian Perchtel 4
Paul E. Skelley FDACS-DPI-Florida State Collection of Arthropods 4
R.S. Peterson USDA Forest Service 4
S.R. Andrews USDA Forest Service 4
Jeff Sexton Madisonville Country Club 4
Tom Miller University of Kentucky 4
Diane Reaver Virginia Polytechnic Institute and State University 4
A.R. Chase North Carolina State University 4
Graham Trim Freelance 4
Bill Vander Weit City of Champaign 4
Tim O'Neill Cheltec, Inc. 4
R.W. Samson Purdue University 4
Rene Marcinhes 4
Kira Zhaurova USDA APHIS PPQ 4
Todd Mathes Department of Natural Resources 4
Nico Franz University of Puerto Rico 3
Chris Schultz 3
Melissa Miller USGS Volunteer 3
Clif Brown 3
Brantlee Spakes Richter North Carolina State University 3
Gvozdev Antony free artist 3
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Vicky Quick National Biological Information Infrastructure 3
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University of Georgia Entomology Archive University of Georgia 3
R.D. Milholland North Carolina State University 3
Anton Baudoin Virginia Polytechnic Institute and State University 3
G.D. Franc 3
Shiva Shankar Prapanna solutions 3
William Shuster United States Environmental Protection Agency 3
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Paul Trible 3
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Jose Hernandez USDA NRCS PLANTS Database 3
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John Stommel 3
Tarique Sani SANIsoft 3
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Jacob Vance Emory University 3
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Dell O. Clark California Department of Food and Agriculture 3
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Caleb L. Morris Virginia Department of Forestry 3
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C.A. Frazier 3
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CABI Biosciences Archive CABI Biosciences 3
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I.G. (Hardi) Oberholzer ARC - Plant Protection Research Institute 3
A. Burns Weathersby University of Georgia 3
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David Mooter Prairie Silvics, Inc. 3
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IPM Thailand Archive 3
Brian Cabrera University of Florida, Ft. Lauderdale 3
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Donna Richardson Royal Pest Management 3
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Daniel K. MacKinnon Colorado State University 3
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R. Stace-Smith 3
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Cornell University Archive Cornell University 3
INRA-Angers Archive 3
P.M.J. Ramakers Applied Plant Research 3
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Università di Napoli Archive Università di Napoli 3
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J. O'Bannon Nemapix picture set 3
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A.C. Magyarosy 3
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Martin Moses University of Idaho 3
Gordon Rodda U.S. Geological Survey 3
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P.J. Chapman New York State Agricultural Experiment Station 3
J. Dunez 3
K.V. Raman CIP, Lima (PE) 3
G. Perrotta Università di Calabria 3
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tia smith 3
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Antoine Guyonnet Lépidoptères Poitou-Charentes 3
Reid Frederick USDA Agricultural Research Service 3
J. Louvet 3
J. Tomminen University of Helsinki 3
J.K. Pataky University of Illinois at Urbana-Champaign 3
J. Pedro Mansilla Vazquez Servicio Agrario, Pontevedra 3
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Rick West Canadian Forest Service 3
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E. Mani Swiss Federal Research Station for Fruit-Growing, 2
G.T. O'Loughlin Department of Agriculture 2
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