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Name Organization Images
Forest & Kim Starr Starr Environmental 10087
Pest and Diseases Image Library 7392
Leslie J. Mehrhoff University of Connecticut 6149
Karan A. Rawlins University of Georgia 5636
Howard F. Schwartz Colorado State University 5395
Mary Ellen (Mel) Harte 5226
Robert Vidéki Doronicum Kft. 4488
Chris Evans River to River CWMA 4081
Rebekah D. Wallace University of Georgia 3377
Whitney Cranshaw Colorado State University 3214
Florida Division of Plant Industry Archive Florida Department of Agriculture and Consumer Services 3061
Joseph O'Brien USDA Forest Service 2916
Alfred Viola Northeastern University 2659
Joy Viola Northeastern University 2629
Ohio State Weed Lab Archive The Ohio State University 2056
Richard Old XID Services, Inc. 2035
Bruce Ackley The Ohio State University 1934
Lacy L. Hyche Auburn University 1891
Joseph M. DiTomaso University of California - Davis 1862
Milan Zubrik Forest Research Institute - Slovakia 1785
Joseph Berger 1701
William M. Ciesla Forest Health Management International 1671
Gerald Holmes Valent USA Corporation 1564
Dave Powell USDA Forest Service 1533
Floyd W. Shockley University of Georgia 1385
D. Walters and C. Southwick CPHST 1282
David Cappaert Michigan State University 1238
John Ruter University of Georgia 1234
David Stephens 1217
Paul Bachi University of Kentucky Research and Education Center 1153
The Dow Gardens Archive Dow Gardens 1133
Terry L Spivey Terry Spivey Photography 1108
Gyorgy Csoka Hungary Forest Research Institute 1100
Clemson University - USDA Cooperative Extension Slide Series 1057
Andrej Kunca National Forest Centre - Slovakia 1041
James H. Miller USDA Forest Service 1018
Charles Olsen USDA APHIS PPQ 996
United States National Collection of Scale Insects Photographs Archive USDA Agricultural Research Service 989
Joseph LaForest University of Georgia 974
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
Jeffrey W. Lotz Florida Department of Agriculture and Consumer Services 840
Jerry A. Payne USDA Agricultural Research Service 823
USDA Forest Service - Ogden Archive USDA Forest Service 806
Richard Webb Self-employed horticulurist 752
Cesar Calderon USDA APHIS PPQ 730
Pennsylvania Department of Conservation and Natural Resources - Forestry Archive 718
David J. Moorhead University of Georgia 714
Steven Katovich USDA Forest Service 692
John D. Byrd Mississippi State University 686
University of Georgia Plant Pathology Archive University of Georgia 678
Jim Baker North Carolina State University 646
Sturgis McKeever Georgia Southern University 645
Jan Samanek State Phytosanitary Administration 609
Eric Coombs Oregon Department of Agriculture 596
Robert L. Anderson USDA Forest Service 595
Paul Wray Iowa State University 556
Graves Lovell Alabama Department of Conservation and Natural Resources 543
Petr Kapitola State Phytosanitary Administration 533
William M. Brown Jr. 530
Ronald F. Billings Texas Forest Service 523
Lesley Ingram 522
Wendy VanDyk Evans 511
USDA Forest Service - Region 8 - Southern Archive USDA Forest Service 502
J.R. Baker & S.B. Bambara North Carolina State University 490
Mary Ann Hansen Virginia Polytechnic Institute and State University 471
James H. Miller & Ted Bodner Southern Weed Science Society 451
Daren Mueller Iowa State University 443
John Cardina The Ohio State University 437
USDA Forest Service - Northeastern Area Archive USDA Forest Service 435
Rob Routledge Sault College 419
James Solomon USDA Forest Service 417
Gerald J. Lenhard Louiana State Univ 414
Department of Plant Pathology Archive North Carolina State University 407
James Henderson Golden Delight Honey 388
Johnny N. Dell 387
Erich G. Vallery USDA Forest Service - SRS-4552 385
Charles Averre North Carolina State University 383
David Gent USDA Agricultural Research Service 368
Tony Pernas USDI National Park Service 364
Vern Wilkins Self employed 362
USDA Forest Service - Region 2 - Rocky Mountain Region Archive USDA Forest Service 358
Paul Bolstad University of Minnesota 358
Chazz Hesselein Alabama Cooperative Extension System 354
Lorraine Graney Bartlett Tree Experts 352
Susan Ellis 351
Natasha Wright Florida Department of Agriculture and Consumer Services 345
Gary Alpert Harvard University 342
Brian Lockhart USDA Forest Service 336
Bonsak Hammeraas Bioforsk - Norwegian Institute for Agricultural and Environmental Research 335
Stanislaw Kinelski 331
USDA APHIS PPQ Archive USDA APHIS PPQ 322
Bill Cook Michigan State University 312
Steven Valley Oregon Department of Agriculture 310
Edward L. Barnard Florida Department of Agriculture and Consumer Services 301
Ken Chamberlain The Ohio State University 301
Caleb Slemmons University of Maine 298
International Society of Arboriculture International Society of Arboriculture 294
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
Nancy Loewenstein Auburn University 275
Minnesota Department of Natural Resources Archive Minnesota Department of Natural Resources 275
Russ Ottens University of Georgia 273
R.J. Reynolds Tobacco Company Slide Set R.J. Reynolds Tobacco Company 271
Jim Occi BugPics 265
Barbara Tokarska-Guzik University of Silesia 263
Theodore Webster USDA Agricultural Research Service 263
Frank Peairs Colorado State University 253
Chris Schnepf University of Idaho 244
G. Keith Douce University of Georgia 241
John C. French Sr. Retired, Universities:Auburn, GA, Clemson and U of MO 239
Barry Rice sarracenia.com 236
USDA Forest Service Archive USDA Forest Service 234
Bruce Watt University of Maine 233
Jessica Lawrence Eurofins Agroscience Services 230
Ferenc Lakatos University of West-Hungary 228
Valentyna Meshkova Ukrainian Research Institute of Forestry and Forest Melioration 226
Kenneth M. Gale 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
Hannes Lemme 220
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
Norman D. Davis 209
Terry S. Price Georgia Forestry Commission 208
Elizabeth Bush Virginia Polytechnic Institute and State University 207
Scott Bauer USDA Agricultural Research Service 205
Donald Owen California Department of Forestry and Fire Protection 205
Edward L. Manigault Clemson University Donated Collection 202
Maja Jurc University of Ljubljana 200
Ronald Smith Auburn University 194
Donald Groth Louisiana State University AgCenter 193
Mark Adams Downey Trees 193
Alton N. Sparks, Jr. University of Georgia 188
James Denny Ward USDA Forest Service 188
Chuck Bargeron University of Georgia 186
Dennis Haugen 180
U.S. Geological Survey Archive U.S. Geological Survey 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
Linda Haugen USDA Forest Service 170
Gil Wojciech Polish Forest Research Institute 170
USDA APHIS PPQ Archive USDA APHIS PPQ 168
Norbert Frank University of West Hungary 167
USDA PLANTS Database USDA NRCS PLANTS Database 162
John H. Ghent USDA Forest Service 162
William Fountain University of Kentucky 162
Norman E. Rees USDA Agricultural Research Service - Retired 161
USDA Forest Service Archive USDA Forest Service 160
Gerard D. Hertel West Chester University 160
Bonnie Million National Park Service 158
Dennis J. Giardina Florida Fish and Wildlife Conservation Commission 158
Howard Ensign Evans Colorado State University 158
Darren Blackford USDA Forest Service 157
R.K. Jones North Carolina State University 157
Mark Dreiling Retired 157
Herbert A. 'Joe' Pase III Texas Forest Service 155
H.J. Larsen 153
E. Richard Hoebeke Cornell University 152
Randy Cyr Greentree 148
Susan Ellis USDA APHIS PPQ 144
Connecticut Agricultural Experiment Station Archive Connecticut Agricultural Experiment Station 143
Haruta Ovidiu University of Oradea 140
Charles T. and John R. Bryson 138
Amy Ferriter State of Idaho 138
Daniel Herms The Ohio State University 137
Arnold T. Drooz USDA Forest Service 136
USDA Agricultural Research Service Archive USDA Agricultural Research Service 136
Brett Marshall Sault College 136
Julieta Brambila USDA APHIS PPQ 132
John A. Weidhass Virginia Polytechnic Institute and State University 132
Richard Carter Valdosta State University 132
Eric R. Day Virginia Polytechnic Institute and State University 131
Paul A. Mistretta USDA Forest Service 130
Doug Page USDI Bureau of Land Management 128
Mark Frey The Presidio Trust 128
Steve Hurst USDA NRCS PLANTS Database 126
DAFF Archive 125
David Jones University of Georgia 125
Sandra Jensen Cornell University 123
Yuan-Min Shen Taichung District Agricultural Research and Extension Station 120
Landesforstpräsidium Sachsen Archive 119
Tom Heutte USDA Forest Service 119
Adam Sisson Iowa State University 117
David B. Langston University of Georgia 117
Franklin Bonner USFS (ret.) 115
Eugene E. Nelson 115
Keith Kanoti Maine Forest Service 113
Fabio Stergulc Università di Udine 113
Luana Vargas International Society of Arboriculture 111
Larry R. Barber USDA Forest Service 107
Thomas Atkinson Pest Management Research 107
Jon Yuschock 107
Troy Evans Great Smoky Mountains National Park 106
Csaba Szaboky 103
Alan Windham University of Tennessee 103
Jason Sharman Vitalitree 103
Louis Tedders USDA Agricultural Research Service 100
Phillip Roberts University of Georgia 98
James B. Hanson USDA Forest Service 96
Mary Burrows Montana State University 96
L.L. Berry 94
Andrew Koeser International Society of Arboriculture 93
Scott Tunnock USDA Forest Service 92
USDA ARS Photo Unit USDA Agricultural Research Service 92
Carey Minteer University of Georgia 92
Michael Shephard USDA Forest Service 91
Cheryl Moorehead individual 90
Ko Ko Maung 89
Phil Westra Colorado State University 89
Kenneth R. Law USDA APHIS PPQ 88
James R. Allison Georgia Department of Natural Resources 86
Jason Brock University of Georgia 85
Pedro Tenorio-Lezama 85
Jiri Hulcr Michigan State University 85
Jan Liska Forestry and Game Management Research Institute 84
J.G. Davis 83
Pam Fuller USGS 82
Thomas C. Croker USDA Forest Service 82
Nestor Yglesias South Florida Water Management District 81
Ronald S. Kelley Vermont Department of Forests, Parks and Recreation 80
Jil Swearingen USDI National Park Service 80
Thomas D. 'Tom' Landis USDA Forest Service 80
David Riley University of Georgia 80
David Dickens University of Georgia 80
Rachel Brown University of Florida 80
Lori Oberhofer National Park Service 79
Fred Baker Utah State University 78
Samuel Glucksman 78
Kevin Ong Texas AgriLife Extension Service 78
University of Georgia Archive University of Georgia 77
Andrew J. Boone South Carolina Forestry Commission 77
Andrea Battisti Universita di Padova 77
M.E. Bartolo 77
Robert Dzwonkowski 76
Arthur E. Miller USDA APHIS PPQ 76
John Hartman University of Kentucky 76
Peggy Greb USDA Agricultural Research Service 75
David McComb USDA Forest Service 74
Brian Kunkel University of Delaware 73
G.E. Cardon 73
Jerald E. Dewey USDA Forest Service 72
Carroll E. Younce USDA Agricultural Research Service 72
James D. Young USDA APHIS PPQ 71
USDA Forest Service - Forest Health Protection - St. Paul Archive USDA Forest Service 71
Raymond Gill California Department of Food and Agriculture 71
Great Smoky Mountains National Park Resource Management Archive USDI National Park Service 70
H C Ellis University of Georgia 70
Central Science Laboratory, Harpenden Archive British Crown 69
Randy Westbrooks U.S. Geological Survey 68
E. Bradford Walker Vermont Department of Forests, Parks and Recreation 67
National Interagency Fire Center Archive 67
Allen Bridgman South Carolina Department of Natural Resources 66
Jennifer C. Giron Duque University of Puerto Rico 66
Mariusz Sobieski 65
Roger Ryan USFS PNW Station 65
Albert (Bud) Mayfield USDA Forest Service 64
Center for Disease Control Archive Centers for Disease Control and Prevention 64
Mike Schomaker Colorado State Forest Service 64
Andrea Atkinson National Park Service 63
Utah State University Archive Utah State University 62
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
Beat Forster Swiss Federal Institute for Forest, Snow and Landscape Research 62
Daniel R. Suiter University of Georgia 62
Thomas E. Hinds USDA Forest Service 61
Kevin D. Arvin 61
Deena Chadi William Paterson University 61
Zelimir Borzan University of Zagreb 60
Scott Roberts Mississippi State University 60
Edward H. Holsten USDA Forest Service 59
USDA Forest Service Archive USDA Forest Service 59
Keith Weller USDA Agricultural Research Service 59
Theodor D. Leininger USDA Forest Service 58
John D. Hodges Mississippi State University 58
Doug Maguire Oregon State University 58
David P. Shorthouse University of Alberta 58
Dale Wade Rx Fire Doctor 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
Todd Pfeiffer Klamath County Weed Control 57
North Carolina Forest Service Archive 56
Jeremy Greene Clemson University 56
Anyi Mazo-Vargas University of Puerto Rico 56
R.L. Croissant 56
Susan K. Hagle USDA Forest Service 56
Herb Pilcher USDA Agricultural Research Service 56
Charles Ray Auburn University 55
Patricia M. Ciesla Forest Health Management International 55
John Triana Regional Water Authority 54
Stephen F. Austin State University Archive Stephen F. Austin State University 54
Carl Dennis Auburn University 54
Steve L. Brown University of Georgia 53
Timothy Haley USDA Forest Service 53
Max Williamson USDA Forest Service 53
James Johnson Georgia Forestry Commission 52
Fred Brooks University of Hawaii at Manoa 52
N.A. Irlbeck 51
John Moser USDA Forest Service 51
William D. Boyer USDA Forest Service 50
Mohammed El Damir Pest Management 50
Juliana Cardona-Duque University of Puerto Rico 50
Thomas B. Denholm New Jersey Department of Agriculture 50
Rayanne Lehman Pennsylvania Department of Agriculture 50
Tim Tigner Virginia Department of Forestry 50
R. Scott Cameron Advanced Forest Protection, Inc. 50
Daniela Lupastean University of Suceava 49
Lance S. Risley William Paterson University 48
Dani Barchana Self employed 48
Mark McMillan Colorado State University 48
Natalie Hummel Louisiana State University AgCenter 47
Gary Wade University of Georgia 47
Dimitrios Avtzis NAGREF-Forest Research Institute 47
Francis Gwyn Jones 46
Bob Hammon 46
Kenneth E. Gibson USDA Forest Service 45
Marisa Williams University of Arkansas, Fayetteville 45
Frank E French Georgia Southern University 45
Daniel Adam Office National des Forêts 44
Georgia Forestry Commission Archive Georgia Forestry Commission 44
Becca MacDonald Sault College 44
Gary Peeples US Fish and Wildlife Service 42
Jody Fetzer New York Botanical Garden 42
Frantisek Soukup 42
M.A. Brick 41
Ladd Livingston Idaho Department of Lands 41
William A. Carothers USDA Forest Service 41
Elizabeth Willhite USDA Forest Service 41
Winston Beck Iowa State University 40
Dawn Dailey O'Brien Cornell University 39
Michael C. Thomas Florida Department of Agriculture and Consumer Services 39
Bob Kemerait University of Georgia 39
R.W. Samson Purdue University 39
Elmer Verhasselt 38
Robert Reed USGS 38
J.S. Quick 37
Harry O. Yates III USDA Forest Service 37
Nancy Gregory University of Delaware 36
Steve McKeand North Carolina State University 36
R.L. Hamblen 36
Oliver T. Neher University of Idaho 36
Arun T.P. 36
Valerie Brej ISA Photos 35
Jonathan D. Eisenback Virginia Polytechnic Institute and State University 35
Elizabeth Bella USDA Forest Service 35
John W. Dooley USDA APHIS PPQ 35
USDA ARS European Biological Control Laboratory USDA ARS - European Biological Control Laboratory 35
Lisa Ames University of Georgia 35
Vladimir Dinets University of Miami 34
Mourad LOUADFEL Plant Protection 34
David Mohn Critters Page (Creatures Great and Small) 33
The Nature Conservancy Archive The Nature Conservancy 32
Dragan Nestorovic elektra 32
Vanessa Richins About.com 32
Stephen Bratkovich USDA Forest Service 32
John W. Schwandt USDA Forest Service 31
Eli Sagor University of Minnesota 31
Michelle Grabowski University of Minnesota Extension - Horticulture 31
Lisa Jameson U.S. Fish and Wildlife 31
David Parsons University of Wisconsin 31
Sonya Broughton Department of Agriculture & Food Western Australia 31
Cindy Roche 30
Rory Register Rory's Photography 30
Eddie McGriff University of Georgia 30
Mike Reding & Betsy Anderson USDA Agricultural Research Service 30
J. Michael Moore University of Georgia 29
Joe Murray Treebio.com 29
Larry Trekell 29
DAVID LEE 29
Casey Sanders 29
Jamie Nielsen University of Alaska Fairbanks, Cooperative Extension Service 28
Nikolai Sokolov 28
Linda Wilson University of Idaho 28
Nancy Fraley USDI National Park Service 28
Vicky Klasmer Instituto Nacional de Tecnologia Agropecuaria 28
Kevin Enge Florida Fish and Wildlife Conservation Commission 28
Wayne Brewer Auburn University 28
Daniel Miller USDA Forest Service 28
Oscar Dooling USDA Forest Service 28
George Markin USDA Forest Service 27
Andrew Derksen FDACS/DPI 27
Lyle Buss University of Florida 27
Annemarie Smith ODNR Division of Forestry 27
José Luís Delgado 27
University of Arkansas Forest Entomology Lab Archive University of Arkansas 27
Yuri Yashin achatina.ru 26
W. Billen Pflanzenbeschaustelle, Weil am Rhein 26
Plant Protection Service Archive Plant Protection Service 26
Sasa Kunovac University of Sarajevo 26
Eugenio Nearns University of New Mexico 26
Bruce W. Kauffman Tennessee Department of Agriculture 26
John L. Foltz University of Florida 26
Alberto Pantoja USDA Agricultural Research Service 26
Mat Pound USDA Agricultural Research Service 26
Ned Tisserat Colorado State University 25
Robert L. James USDA Forest Service 25
Tom Coleman USDA Forest Service 25
Loke T. Kok Virginia Polytechnic Institute and State University 25
Ron Halstead Halstead Forestry & Realty, Inc. 25
Biologische Bundesanstalt für Land- und Forstwirtschaft Archive Biologische Bundesanstalt für Land- und Forstwirtschaft 25
Frank M. Riley, Jr. Georgia Forestry Commission 25
Christopher Hogger Swiss Federal Research Station for Agroecology and Agriculture 25
Jake Farnum 25
South Dakota Department of Agriculture 24
Amy Benson U.S. Geological Survey 24
Hannah Burrack North Carolina State University 24
Patrick Marquez USDA APHIS PPQ 24
Dale Pollet Louisiana State University AgCenter 24
Curtis Utley CSUE 23
Stephen Ausmus USDA Agricultural Research Service 23
Duncan McClusky University of Georgia 23
Bob Farrah USDA Forest Service 23
USDA Forest Service - Region 4 - Intermountain Archive USDA Forest Service 23
Victor Sarto i Monteys Servei de Proteccio dels Vegetals 23
Ron Long Simon Fraser University 23
UAF Cooperative Extension Archive University of Alaska - Fairbanks 23
Bruce Moltzan Missouri Department of Conservation 23
Evgeny Akulov Russian Research Institute Of Plant Quarantine 22
Jonathan Armstrong University of Southern California 22
Esmat M. Hegazi University of Alexandria 22
Fitz Clarke 22
Steve Manning Invasive Plant Control 22
Ulrich Zunke University of Hamburg 22
John Guyon USDA Forest Service 22
Anthony D. White The Ohio State University 22
USDA APHIS PPQ Archive USDA APHIS PPQ 22
Edward Sikora Auburn University 22
Don Ferrin Louisiana State University Agricultural Center 22
GB Edwards Florida Department of Agriculture and Consumer Services 21
John Ruberson University of Georgia 21
Jeff Stachler The Ohio State University 21
Melody Keena USDA Forest Service 21
David T. Almquist University of Florida 21
William C. Nesmith University of Kentucky Research and Education Center 21
Ministry of Agriculture and Regional Development Archive Ministry of Agriculture and Regional Development 21
Gary L. Piper Washington State University 21
James N. Long Utah State University 21
Lauren Quinn 21
Joe Nicholson Nature photographer 21
Jared Spokowsky New York State Department of Agriculture and Markets 20
Walter Peraza Padilla Universidad Nacional, Costa Rica 20
Lew Diehl 20
James Kalisch University of Nebraska 20
Richard A. Casagrande University of Rhode Island 20
Veli Pohjonen East Usambara Conservation Area Management Programme 20
Laura Lazarus North Carolina Division of Forest Resources 20
Claes Hellqvist Swedish University of Agricultural Sciences 20
Kim Camilli Texas Forest Service 20
Gerald Wheeler USDA APHIS PPQ 20
USDA Forest Service Archive USDA Forest Service 20
Diane Davies University of Georgia 20
Eric Prostko University of Georgia 20
Karen Snover-Clift Cornell University 20
Christina Romagosa Auburn University 20
Stephen M. Garnsey USDA-ARS, South Atlantic Area 19
Bernd Blossey Cornell University 19
Robert M. McPherson University of Georgia 19
Allan Bullard USDA Forest Service 19
Dale E. Meyerdirk USDA APHIS PPQ 19
Kira Metz USDA APHIS PPQ 19
J. Jeffrey Mullahey University of Florida 19
Cheryl McCormick University of Florida 19
University of Idaho Archive University of Idaho 19
Bradley Higbee Paramount Farming 19
Peter Wirtz 19
Mark Atwater Weed Control Unlimited, Inc. 19
Eric LaGasa Washington State Department of Agriculture 19
Barb Corwin Turfgrass Diagnostics 19
Mike Pingleton University of Illinois at Urbana-Champaign 19
Florida Fish and Wildlife Conservation Commission Archive 19
Jess Van Dyke Snail Busters, LLC 19
Richard Floyd Creative Ideas LLC 18
Vladimir Petko V.N. Sukachev Institute of Forest SB RAS 18
D.D. Cadahia Subdireccion General de Sanidad Vegetal 18
Virginia Tech Learning Resources Center Virginia Polytechnic Institute and State University 18
Cheryl Kaiser University of Kentucky 18
Christopher Pierce USDA APHIS PPQ 18
Mississippi State University Archive Mississippi State University 18
James W. Byler USDA Forest Service 17
Terry English USDA APHIS PPQ 17
Daniel H. Brown USDA Forest Service 17
Charles Turner USDA Agricultural Research Service 17
F.W. Howard University of Florida 17
Boris Hrasovec Faculty of Forestry 17
Bob Nowierski Montana State University 17
Beverly Turner Jackson Minnesota 17
O.P. Sharma NCIPM, New Delhi. India 17
Zhihong Pan Galileo Group Inc. 17
Samuel Wright Fairchild Tropical Garden 17
Lorne Curran 17
Jennifer Olson Oklahoma State University 17
H.R. Duke 17
Robert Wick University of Massachusetts 17
P.F. Byrne 17
Ken Masten Georgia Forestry Commission 16
Ken Walker Museum Victoria 16
Peter Bedker 16
J.H. Hofmeyr Citrus Research International 16
James W. Amrine Jr. West Virginia University 16
U. Mazzucchi Università di Bologna 16
Patrick Breen Oregon State University 16
Richard Sprenkel University of Florida 16
Michael Mengak University of Georgia 16
Paul Bertrand University of Georgia 16
Katherine Parys Louisiana State University 16
Dennis Haugen USDA Forest Service 16
Doug Stone Mississippi State University 16
W. Robert Maple USDA Forest Service 15
Jane Taylor USDA Forest Service 15
Sandy Kegley USDA Forest Service 15
Jack Dykinga USDA Agricultural Research Service 15
Ken A. Langeland University of Florida 15
Texas Forest Service Archive Texas Forest Service 15
Jim Skiera International Society of Arboriculture 15
H.C. Evans CAB Interational 15
Agriculture and Agri-Food Canada Archive Agriculture and Agri-Food Canada 15
Dr. Reuven Jacobsohn Agricultural Research Organization 15
Juan Manuel Alvarez University of Idaho 15
Hector Mialma 15
Dan Aamlid Forest and Landscape 15
Aaron Bergdahl North Dakota Forest Service/North Dakota State University 14
Rob Andress Department of Conservation & Natural Resources 14
S.K. McDonald 14
Mic Julien Commonwealth Scientific and Industrial Research Organization 14
Michael Rasy University of Alaska 14
Alex Pauvolid-Corrêa Fundação Oswaldo Cruz 14
Ward Strong BC Ministry of Forests 14
Jean Burns Florida State University 14
Rachel Woodfield Merkel & Associates, Inc. 14
Michael McClure University of Arizona 14
Eric Erbe USDA Agricultural Research Service 14
Thomas Smiley Bartlett Tree Experts 14
Rachel McCarthy Cornell University - NEPDN 14
Steve M. Brown University of Georgia 14
Lawrence Morris University of Georgia 14
Will Hudson University of Georgia 14
Bernard J. Raimo USDA Forest Service 14
Steve Clarke USDA Forest Service 14
Mark McGregor USDA Forest Service 14
Leonard Newell USDA Forest Service 13
USDA Forest Service - Pineville Archive USDA Forest Service 13
Gary Bernon USDA APHIS 13
David R. Lance USDA APHIS PPQ 13
William Lambert University of Georgia 13
David Adams University of Georgia 13
Willey Durden USDA Agricultural Research Service 13
Ignacio Baez USDA Agricultural Research Service 13
Karen Brown University of Florida 13
James McGraw North Carolina State University 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
Scott Robinson Georgia Department of Natural Resources 13
Norbert J. Cordeiro University of Illinois at Chicago 13
S. K. Mohan 13
Natalia Kirichenko 13
guy meilleur better tree care 13
Michael Barron National Park Service 13
Robert Benjamin None 13
Marko Kostanjevec Biotechnical Faculty 13
Kate Leifheit International Society of Arboriculture 13
Lars Sandved Dalen Norwegian Forest and Landscape Institute 12
Helena Giannini Miami Dade County 12
Mark Chisholm Aspen Tree Care Company 12
Alan Mills 12
Thomas Jung 12
Victor Ryabincov 12
Jijing Song and Juan Shi Beijing Forestry University 12
Mary Ann Fajvan West Virginia University 12
Southern Forest Insect Work Conference Archive Southern Forest Insect Work Conference 12
Gillian Allard FAO of United Nations 12
Tom Creswell Purdue University 12
Milos Knizek Forestry and Game Management Research Institute 12
Paolo Mazzei 12
J.M. Bové INRA Centre de Recherches de Bordeaux 12
Agroscope FAL Reckenholz Archive Swiss Federal Research Station for Agroecology and Agriculture 12
Clinton Shock Oregon State University 12
Virginia Tech Plant Pathology Archive Virginia Polytechnic Institute and State University 12
Carol LaFayette Visualization Department, Texas A&M University College of Architecture 12
Tamla Blunt Colorado State University 12
USDA Forest Service - Region 6 - Pacific Northwest Archive USDA Forest Service 12
Alex Mangini USDA Forest Service 12
Paul E. Hennon USDA Forest Service 12
L.D. Dwinell USDA Forest Service 12
John M. Staley USDA Forest Service 11
David M. Moehring Mississippi State University 11
W.H. Bennett USDA Forest Service 11
S.A. Andrews USDA Forest Service 11
Bob Richard USDA APHIS PPQ 11
Dwight K. Lauer Auburn University 11
Jessica Spencer 11
Donald M. Grosman Texas Forest Service 11
Erik Stromberg Virginia Polytechnic Institute and State University 11
Robert Lambe Virginia Polytechnic Institute and State University 11
Randall Blackburn Smithsonian Institution 11
L. Giunchedi Universita di Bologna 11
Robert F. Wittwer Oklahoma State University 11
Washington State University Archive Washington State University 11
Kristina Simms 11
Dennis Navea 11
Skip Snow National Park Service 11
Heidi Fry 11
Susan Pierce Trees Atlanta 10
Bartlett Tree Archives 10
Gary Watson Morton Arboretum 10
Lindsey du Toit Washington State University 10
Department of Primary Industries and Water, Tasmania Archive 10
Steven Conaway Penn State University 10
Kelle Sullivan Florida Fish and Wildlife Conservation Commission 10
Paul Butts Georgia Forestry Commission 10
Devon Pfeiffer 10
Donald F. Rogers North Carolina Division of Forest Resources 10
Dean Morewood Health Canada 10
Ruben Durán Washington State University 10
Duane Raver US Fish and Wildlife Service 10
Roger Lopez-Chaves Universidad de Costa Rica 10
California Department of Food and Agriculture Archive 10
Darrell Ross Oregon State University 10
Charles Hoysa Virginia Cooperative Extension 10
Tracy Wootten University of Delaware 10
Alison Fox University of Florida 10
Boris Castro Texas A&M University 10
Todd Watson Texas A&M University 10
Stan Diffie University of Georgia 10
Neal Spencer USDA Agricultural Research Service 10
Wayne N. Dixon Florida Department of Agriculture and Consumer Services 10
Rebecca A. Melanson Louisiana State University AgCenter 10
Steve Passoa USDA APHIS PPQ 10
USDA Forest Service Archive USDA Forest Service 10
Peter L. Lorio, Jr. USDA Forest Service 10
Mike Ostry USDA Forest Service 10
James R. Meeker USDA Forest Service 9
Michelle Cram USDA Forest Service 9
James W. Smith USDA APHIS PPQ 9
Timothy Schubert Florida Department of Agriculture and Consumer Services 9
Ayanava Majumdar Alabama Cooperative Extension System 9
Jeffrey Wilson USDA Agricultural Research Service 9
Christopher Asaro University of Georgia 9
Wood Product Insect Lab USFS, Gulfport, MS 9
Ann Murray University of Florida 9
Roland J. Stipes Virginia Polytechnic Institute and State University 9
North Carolina State University Archive North Carolina State University 9
Clive Shirley Hidden Forest Designs 9
Bob Rabaglia Maryland Department of Agriculture 9
A. Eppler Justus-Liebig Universität 9
Kerrie L. Kyde Maryland Department of Natural Resources 9
Sthephen A. Lewis Clemson University 9
M. Clerjeau INRA, Centre de Recherches de Bordeaux 9
J.K. Brown University of Arizona 9
T. Azeri Plant Protection Research Institute 9
Petr Srutka Czech University of Agriculture - Prague 9
Jacques Regad Département de la Santé des Forêts 9
Edward Czerwinski Ontario Ministry of Natural Resources 9
Vince Belleci 9
Alec McClay McClay Ecoscience 9
Michael Bohne 9
Clair Merrit Purdue University 9
J.A. Davidson 9
Andrew Petrie University of Toronto 9
Central Science Laboratory Archive Crown Copyright 9
Fredric Miller Miller Joliet Junior College 9
Mike Lewis Center for Invasive Species Research 9
John J. Mosesso National Biological Information Infrastructure 9
Howard F. Schwartz & Jillian M. Lang 9
Meg Williamson Clemson University 9
Marsha Ward Florida Fish and Wildlife Conservation Commission 9
Samantha Anderson Everglades National Park 8
Gary Kling University of Illinois 8
Marja van der Straten NVWA Plant Protection Service 8
Diane Alston Utah State University 8
G.W. Buchleiter 8
N.S. Luepschen 8
Fernando Gallardo Huelva Forestry University 8
Stephanie Sopow Natural Resources Canada 8
Myron Adams Home Owner 8
Diego Olmo Laboratori Sanitat Vegetal-Illes Balears 8
Ollie Knott Georgia Forestry Commission 8
Jenn Grieser New York City Department of Environmental Protection 8
Linda Lee University of South Carolina 8
Connie Strunk South Dakota State University 8
Ian Kimber 8
HortNET Archive The Horticulture and Food Research Institute of New Zealand 8
D.R. Miller 8
Yuri Baranchikov Institute of Forest SB RASC 8
Jeff Portwood Temple-Inland 8
Stacey Leicht University of Connecticut 8
Troy Kimoto Canadian Food Inspection Agency 8
J.J. Tuset Instituto Valenciano de Investigaciones Agrarias 8
W.G. Ziller 8
UK Forestry Commission Archive 8
L. Navarro Instituto Valenciano de Investigaciones Agrarias 8
U.S. Fish and Wildlife Service Archive US Fish and Wildlife Service 8
J.P. Michaud Kansas State University 8
SCRI-Dundee Archive Scottish Crop Research Institute 8
Jon Sweeney Natural Resources Canada 8
Tom Gray Canadian Forest Service 8
Rudolf H. Scheffrahn University of Florida 8
James D. Ellis University of Florida 8
J. L. Castner University of Florida 8
Tim Murphy University of Georgia 8
Jean L. Williams-Woodward University of Georgia 8
John Olive Auburn University 8
Barry Freeman Auburn University 8
Houping Liu Michigan State University 8
Robert Richardson Michigan State University 8
Paul Weston Cornell University 8
Julie Kikkert Cornell Cooperative Extension 8
USDA APHIS PPQ Archive USDA APHIS PPQ 8
Brian Sullivan USDA APHIS PPQ 8
Debbie Miller USDA Forest Service 8
Peter A. Rush USDA Forest Service 8
USDA Forest Service - Region 10 - Alaska Archive USDA Forest Service 8
I. Blakey Lockman USDA Forest Service 8
Bob Oakes USDA Forest Service 7
J. Brasington USDA Forest Service 7
Kevin Dodds USDA Forest Service 7
Robert L. Johnson Cornell University 7
Milton Rush Plant Pathology, Louisiana State University 7
David Nance USDA Agricultural Research Service 7
David Hall USDA Agricultural Research Service 7
Jason Gatch University of Georgia 7
Mark Czarnota University of Georgia 7
Byron Rhodes University of Georgia 7
Kenneth Seebold University of Kentucky 7
Tom Miller University of Kentucky 7
Charles Drake Virginia Polytechnic Institute and State University 7
Ellen Lake University of Delaware 7
Hania Berdys 7
David Nicholls dcnicholls.com 7
Carlos Amadeu Leite de Oliveira Universidade Estadual Paulista 7
Janet S. McCulloch Department of Primary Industries and Fisheries, Queensland 7
Wayne Williamson 7
Lee Karney US Fish and Wildlife Service 7
Mariano Muñiz Centro de Ciencias Medioambientales 7
Billy Craft 7
Canadian Forest Service Archive Canadian Forest Service 7
Anne W. Gideon 7
Alan Flynn New Zealand Ministry of Agriculture and Forestry 7
Nez Perce BioControl Center Archive Nez Perce BioControl Center 7
John Connett University of Idaho 7
John Kraus 7
Fred Nation Weeks Bay National Estuarine Research Reserve 7
G.M. Buxton 7
Ida Paul Small Grain Institute 7
Georgette Smith Canadian Forest Service 7
Juan Shi Beijing Forestry University 7
Connie Gray GA-EPPC 7
Bill Gallup 7
Victor Cordova City of Houston, Urban Forestry Division 7
Jeremy Lee 7
Ethel Dutky University of Maryland 7
Garrett Waugaman M-NCPPC Weed Warriors 7
Paul Webb 7
Claudia Nischwitz Utah State University 7
Brenda Lucas 7
Marilyn Sallee Texas Invasives Org 7
Michel Ménard INRA 7
Judy Slater 7
Bruce Newhouse 6
Vladimir Gouli University of Vermont 6
Ernesto Moya 6
Amy Diercks 6
Mike Zapata Frisco Urban Forestry Board 6
Lester E. Dickens 6
K.A. Barbarick 6
Scott Famous DoD 6
Dave Leonard Dave Leonard Consulting Arborist, Inc. 6
Jim Tresouthick Village of Homewood 6
Michigan Department of Agriculture 6
Kristen Riolo Priceless Memories 6
J.D. Roberts 6
Temel Gokturk Artvin Forest 6
Greg Leach International Paper 6
Harriet Perry Gulf Coast Research Laboratory 6
Kevin Taylor 6
Carol J Nichols 6
Peter Stephen Citrus Research International 6
Douglas Barbe California Department of Food and Agriculture 6
Bob Lepak 6
Forest Research United Kingdom Forestry Commission 6
Thomas Elias 6
Lilia De Guzman 6
Michael Kangas NDSU - North Dakota Forest Service 6
Stephen Lew University of California - Berkeley 6
Carol Hayes Burnt Fork Watershed Alliance 6
Rich Sabulsky 6
Takumasa Kondo University of California - Davis 6
Montana State University Archive Montana State University 6
Patrick H. Brose Clemson University 6
Jim Story Montana State University 6
Roger Anderson Duke University 6
Alan Grant Dept Environmental Protection 6
Barry Lyons Canadian Forest Service 6
John N. Gibbs Forestry Commission 6
International Potato Center Archive 6
H.H. Triantaphyllou Nemapix picture set 6
Les Tanner North West Weeds 6
Kurt Stueber Max-Planck-Institute for Plant Breeding Research, Cologne 6
Luboš R. Kolouch 6
K.B. Jamieson Canadian Forest Service 6
Don Herbison-Evans University of Sydney 6
Ian F. Smith 6
Raghavan Charudattan University of Florida 6
J.C. Wells North Carolina State University 6
Justin Meier International Society of Arboriculture 6
Billy Higginbotham Texas AgriLife Extension Service 6
D. W. French University of Minnesota 6
Corrie Pieterson University of Florida 6
Tim Varnedore University of Georgia 6
Bodie Pennisi University of Georgia 6
Jeffrey J. Jackson University of Georgia 6
Stanley Culpepper University of Georgia 6
Holly Thornton University of Georgia 6
Brad Haire University of Georgia 6
Gary Buckingham USDA Agricultural Research Service 6
Billy R. Wiseman USDA Agricultural Research Service 6
Sanford D. Porter USDA-ARS, Center for Medical, Agricultural and Veterinary Entomology 6
Christina DiFonzo Michigan State University 6
Robert F. Bassett USDA Forest Service 6
E.G. Kuhlman USDA Forest Service 6
Robert D. Richard USDA APHIS PPQ 6
David G. Robinson USDA APHIS PPQ 6
OSU Extension Slide Set Archives The Ohio State University 6
Michael Montgomery USDA Forest Service 6
Tom Laurent USDA Forest Service 6
Borys M. Tkacz USDA Forest Service 6
Forrest L. Oliveria USDA Forest Service 6
R.C. Morris USDA Forest Service 6
Robert A. Haack USDA Forest Service 6
Thomas Eubank Mississippi State University 6
James Smith Mississippi State University 5
USDA Forest Service - Ashville Archive USDA Forest Service 5
William H. Hoffard USDA Forest Service 5
Donald J. Goheen USDA Forest Service 5
T.W. Bretz USDA Forest Service 5
Philip McDonald USDA Forest Service 5
Albert Kais USDA Forest Service 5
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Diane Hildebrand USDA Forest Service 5
Art Wagner USDA APHIS PPQ 5
R.F. Scharpf USDA Forest Service 5
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Toby Petrice USDA Forest Service 5
Lynn Jones and Nathan Havill USDA Forest Service 5
Scott Horn USDA Forest Service 5
Doug Landis Michigan State University 5
Jeffrey Eickwort Florida Department of Agriculture and Consumer Services 5
Dr. Lynn Clark and Anna Gardner Iowa State University 5
Kent Loeffler Cornell University 5
A.A. Newton USDA Agricultural Research Service 5
Susan Wineriter USDA Agricultural Research Service 5
M.G. Klein USDA Agricultural Research Service 5
Bruce Bosley Colorado State University 5
Nancy Hinkle University of Georgia 5
Ted D. Center USDA Agricultural Research Service 5
Christine A. Bennett USDA Agricultural Research Service 5
Wilson Faircloth USDA Agricultural Research Service 5
Hugo A. Cordo USDA ARS - South American Biological Control Laboratory 5
Michael Toews University of Georgia 5
Ben Jackson University of Georgia 5
Scott Carlson University of Georgia 5
Dewey Lee University of Georgia 5
Paul Vincelli University of Kentucky 5
Clint Hardy University of Kentucky 5
Laurence I. Miller Virginia Polytechnic Institute and State University 5
Kelly Oten 5
John R. Seiler Virginia Polytechnic Institute and State University 5
James P. Cuda University of Florida 5
Biologische Bundesanstalt für Land- und Forstwirtschaft Archive Biologische Bundesanstalt für Land- und Forstwirtschaft 5
Bart Wursten Ndundu Lodge Vumba 5
A.T. Jones Scottish Crop Research Institute 5
A. van Frankenhuijzen Plant Protection Service 5
Walter Stahel Environmental Bay of Plenty 5
Dr. Augustin Landesanstalt für Pflanzenbau und Pflanzenschutz: Mainz 5
G. Marchoux INRA Station de Pathologie Végétale 5
Bill Godfrey Georgia Forestry Commission 5
Giuseppina Pellizzari Faculty of Agriculture, Dept.Entomology 5
State Plant Pathology Institute of Denmark Archive 5
American Phytopathological Society Archive American Phytopathological Society 5
T.W. Mew International Rice Research Institute 5
G. Morvan INRA, Montfavet 5
J.W. Walters 5
P.G. Psallidas Benaki Institute, Athens 5
Gary M. Stolz US Fish and Wildlife Service 5
Jerry Asher USDI Bureau of Land Management 5
Donna R. Ellis University of Connecticut 5
Robert Hedburg St. Louis County Land Department 5
Caleb L. Morris Virginia Department of Forestry 5
Indiana Department of Natural Resources Archive Indiana Department of Natural Resources 5
James A. Copony Virginia Department of Forestry 5
Lawrence Abrahamson State University of New York 5
Bob McMurry Georgia Forestry Commission 5
Heather Faubert University of Rhode Island 5
Robert Trickel North Carolina Forest Service 5
Richard Smith US Fish and Wildlife Service 5
Nadia Da Ros 5
Mandy Tu The Nature Conservancy 5
Mary Foley Benson USDA; Property of the Smithsonian Institution, Department of Entomology 5
Nava Tabak Invasive Plant Atlas of New England 5
Chip Bates Georgia Forestry Commission 5
Ernest C. Bernard University of Tennessee 5
Jean-François Abgrall Centre d'étude du machinisme agricole du génie rural, des eaux et forêts 5
Laurie Reid South Carolina Forestry Commission 5
Angela Walther 5
Claudia Dolinski Universidade Estadual do Norte Fluminense 5
Mark S. Hoddle University of California - Riverside 5
Marianne Prue Ohio Department of Natural Resources - Division of Forestry 5
Dennis Teague U.S. Air Force 5
Rosemarie De Clerck-Floate Agriculture and Agri-Food Canada 5
Susan Turner British Columbia Ministry of Forests 5
Philip Rusted Thurlow Countryside Management (r&d) 5
B. Merle Shepard Clemson University 5
Jessica Price Natural Resources Canada 5
Sam Markell North Dakota State University 5
Laura Rogers 5
Howard F. Schwartz & Mark S. McMillan 5
Jeff Sexton Madisonville Country Club 4
Felicien Amakpe Cercle nature et développement CENAD NG0 4
Graham Trim Freelance 4
Bill Vander Weit City of Champaign 4
New York Department of Environmental Conservation Archive 4
Tim O'Neill Cheltec, Inc. 4
Buyung Hadi South Dakota State University 4
Rene Marcinhes 4
Todd Mathes Department of Natural Resources 4
Kenneth Raffa University of Wisconsin 4
J. C. Bell USDA Forest Service 4
Hunt Sanders University of Georgia 4
Lindsey Lewis U.S. Fish and Wildlife 4
Pierre Yves Laroche 4
Dennis Riggs Denrig, Inc. 4
Rick Roseman 4
April Noble Antweb.org 4
University of Alaska - Anchorage Archive University of Alaska - Anchorage 4
International Rice Research Institute Archive 4
Malcolm Storey BioImages - Virtual Field-Guide 4
Joel E. Miles Office of Environmental Response and Coordination 4
Brian Perchtel 4
James Hoffman 4
Hariet Hinz & Ester Gerber CABI Biosciences 4
USDA NRCS Archive USDA NRCS 4
Peter Room The University of Queensland 4
David L. Overhulser Oregon Department of Forestry 4
Peter Harris Agriculture and Agri-Food Canada 4
UConn Plant Database www.hort.uconn.edu/plants 4
Jack Ranney University of Tennessee 4
C.A. de Klerk Nietvoorbij Institute for Viticulture and Oenology 4
François-Xavier Saintonge Forest Health Department 4
Jean-Paul Grandjean Office National des Forêts 4
J. Johnson University of Idaho 4
Gerald D. Carr Carr Botanical Consultation 4
Anne Miller Soil and Water Conservation 4
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R. Grimm 4
M. Goto 4
ENSA-Montpellier Archive Ecole nationale supérieure agronomique de Montpellier 4
Volcani Center Archive Agricultural Research Organization 4
University of New South Wales Archive University of New South Wales 4
S.L. Goldson MAFTech 4
Richard C. Edwards Purdue University 4
Bayer Pflanzenschutz Archive Bayer Pflanzenschutz 4
SRPV, Nice Archive Les Services Régionaux de la Protection des Végétaux 4
Pflanzenschutzamt Weil-am-Rhein Archives Archive 4
Tom Hall Georgia Forestry Commission 4
Carole Cheah Connecticut Agricultural Experiment Station 4
Svetlana Y. Gouli University of Vermont 4
INRA-Bordeaux Archive Institut National de la Recherche Agronomique 4
Dr. Backhaus Biologische Bundesanstalt für Land- und Forstwirtschaft 4
G.W. Wallis 4
C.E. Seliskar 4
Heinz USA Archive 4
A. Vigouroux ENSA 4
Alexander Purcell University of California 4
Larry Line Mostly Moths of Maryland 4
M.A. van den Berg Institute for Tropical and Subtropical Crops 4
Gerhard Elsner Biologische Bundesanstalt für Land- und Forstwirtschaft 4
J. Guyot INRA, Pointe-à-Pitre 4
Biolog. Bundesans., Inst. f. Pflanzenschutz im Weinbau Archive 4
Forestry Canada, Ottawa Archive 4
Canadian Food Inspection Agency Archive 4
Diane Reaver Virginia Polytechnic Institute and State University 4
Virginia Tech Weed Identification Guide Archive Virginia Polytechnic Institute and State University 4
Ashley Lamb Virginia Polytechnic Institute and State University 4
Shep Zedaker Virginia Polytechnic Institute and State University 4
Robert J. Richardson North Carolina State University 4
A.R. Chase North Carolina State University 4
Anne Vitoreli University of Florida 4
Rodrigo Diaz University of Florida 4
James O. Howell University of Georgia 4
Robert W. Matthews University of Georgia 4
Craig Sheppard University of Georgia 4
Margaret McGrath Cornell University 4
Shimat Joseph University of Georgia 4
Clyde Dowler USDA Agricultural Research Service 4
Michasia Harris University of Georgia 4
Paul Smith University of Georgia 4
Min B. Rayamajhi USDA Agricultural Research Service 4
John W. Everest Auburn University 4
Auburn University Archive Auburn University 4
L. M. Marsh Florida Department of Agriculture and Consumer Services 4
Jian-qing Ding Cornell University 4
Wayne A. Sinclair Cornell University 4
Paul E. Skelley FDACS-DPI-Florida State Collection of Arthropods 4
Louisiana State University Archive Louisiana State University 4
Nancy Gillette USDA Forest Service 4
Richard Turcotte USDA Forest Service 4
David Conklin USDA Forest Service 4
Wood Johnson USDA Forest Service 4
Donald Duerr USDA Forest Service 4
Paul H. Peacher USDA Forest Service 4
Constance Mehmel USDA Forest Service 4
Stephen W. Bullington USDA APHIS PPQ 4
Daniel J. Kepich USDA APHIS PPQ 4
S.R. Andrews USDA Forest Service 4
R.S. Peterson USDA Forest Service 4
Bruce Smith USDA APHIS PPQ 4
Craig Ramsey USDA APHIS PPQ 4
Richard W. Hansen USDA APHIS PPQ 4
Kira Zhaurova USDA APHIS PPQ 4
David G. Nielsen The Ohio State University 4
Ohio State Univ Ohio Ag. research & Development Center 4
John Pronos USDA Forest Service 4
Yun Wu USDA Forest Service 4
Cathy Stewart USDA Forest Service 4
John R. Tolliver USDA Forest Service 4
Jack C. Nord USDA Forest Service 4
David W. Johnson USDA Forest Service 4
Bernard H. Ebel USDA Forest Service 4
Jack T. Reed Mississippi State University 4
Andris Eglitis USDA Forest Service 3
Dave Holland USDA Forest Service 3
Brian Geils USDA Forest Service 3
Richard Spriggs USDA Forest Service 3
Bruce Hostetler USDA Forest Service 3
Laura Merrill USDA Forest Service 3
Gary Brown USDA APHIS PPQ 3
Brian Sugerman The Ohio State University 3
Stephen Davis USDA APHIS PPQ 3
C.L. Hodges USDA Forest Service 3
Wayne Adkins USDA Forest Service 3
Phil Crawl USDA Forest Service 3
Martin MAcKenzie USDA Forest Service 3
Louisiana State University AgCenter Archive Louisiana State University AgCenter 3
Andrea Van Loan Florida Department of Agriculture and Consumer Services 3
Cornell University Archive Cornell University 3
New York State Agricultural Experiment Station Archive Cornell University 3
Molly Swartwood Cornell University 3
Daniel K. MacKinnon Colorado State University 3
Doug Wilson USDA Agricultural Research Service 3
Jim Plaskowitz USDA Agricultural Research Service 3
B.J. Goates USDA Agricultural Research Service 3
Reid Frederick USDA Agricultural Research Service 3
Barry Fitzgerald USDA Agricultural Research Service 3
Brian Prechtel USDA Agricultural Research Service 3
Elizabeth Carlson University of Georgia 3
Stephen D. Hight USDA Agricultural Research Service 3
H. Gross USDA Agricultural Research Service 3
Tony Caesar USDA Agricultural Research Service 3
Debbie Waters University of Georgia 3
Paul Thomas University of Georgia 3
University of Georgia Entomology Archive University of Georgia 3
Keith Delaplane University of Georgia 3
Scot Nelson University of Hawaii at Manoa 3
Faith Appelquist Tree Quality, LLC 3
Lori L. Wallace 3
Johnny Crawford University of Georgia 3
A. Burns Weathersby University of Georgia 3
Brian Cabrera University of Florida, Ft. Lauderdale 3
Doug Caldwell Univ. Florida 3
Amy Fulcher University of Kentucky 3
Nathan Howard University of Kentucky 3
George Kelley University of Kentucky 3
Diane Perkins University of Kentucky 3
Mark Duff Texas Forest Service 3
Texas Agricultural Extension Service Archive Texas A&M University 3
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Julie Beale University of Kentucky 3
R.D. Milholland North Carolina State University 3
Brantlee Spakes Richter University of Florida 3
Chris Bergh Virginia Polytechnic Institute and State University 3
Anton Baudoin Virginia Polytechnic Institute and State University 3
Julio Medal University of Florida 3
Victor Ramey University of Florida 3
Jack Kelly Clark University of California - Statewide IPM Program 3
James Braselton 3
The Natural History Museum, London Archive 3
University of Illinois at Urbana-Champaign Archive University of Illinois at Urbana-Champaign 3
Rick West Canadian Forest 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
Roger S Key English Nature 3
Antoine Guyonnet Lépidoptères Poitou-Charentes 3
Università di Bologna Archive Università di Bologna 3
Christer Olsson Swedish Board of Agriculture 3
Eric Rebek Oklahoma State University 3
André Bolay St. Fédér. de Recherches Agronomiques de Changins 3
A.C. Magyarosy 3
Gordon Rodda U.S. Geological Survey 3
Kenneth Calcote Mississippi Department of Agriculture and Commerce 3
Martin Moses University of Idaho 3
G. Perrotta Università di Calabria 3
J.C. Hopkins 3
J. Dunez 3
E.A. Milus University of Arkansas 3
F. Dosba INRA, Bordeaux 3
Ferenc Viranyi Godollo University of Agricultural Sciences 3
J. O'Bannon Nemapix picture set 3
Shawn Good Vermont Department of Fish and Wildlife 3
Pflanzenschutzamt, Hanover Archive Pflanzenschutzamt, Hanover 3
Pflanzenschutzamt Saarbrücken, Husken-Thimm Archive Pflanzenschutzamt Saarbrücken, Husken-Thimm 3
P.M.J. Ramakers Applied Plant Research 3
Institut Technique de la Betterave Archive 3
S.D. Lyda 3
Università di Napoli Archive Università di Napoli 3
Ministry of Agricuilture and Rural Affairs Archive Ministry of Agricuilture and Rural Affairs 3
INRA-Versailles Archive Institut National de la Recherche Agronomique 3
INRA-Angers Archive 3
M. Koizumi Fruit Trees Research Station 3
K.V. Raman CIP, Lima (PE) 3
R. Stace-Smith 3
R. Flores Instituto de Agroquimica y Tecnologia de Alimentos 3
P.J. Chapman New York State Agricultural Experiment Station 3
Lisa Tewksbury University of Rhode Island 3
Bob Davidson 3
Mark Schwarzlaender University of Idaho 3
Michael Masiuk 3
Leslie Chong Simon Fraser University 3
Sally Tucker 3
Claude-Bernard Malphettes Institut National de la Recherche Agronomique 3
David McClenaghan Commonwealth Scientific and Industrial Research Organization 3
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Debbie Miller Davey Tree Expert Company 3
Alex. H. Purcell University of California - Berkeley 3
tia smith 3
CABI Biosciences Archive CABI Biosciences 3
C.A. Frazier 3
Jim Space Pacific Island Ecosystems at Risk (PIER) 3
Robert Childs University of Massachusetts 3
USDI BLM Archive USDI Bureau of Land Management 3
W.C. Guy 3
Sunil Ranasinghe Alberta Government 3
David Mooter Prairie Silvics, Inc. 3
I.G. (Hardi) Oberholzer ARC - Plant Protection Research Institute 3
Tommaso Branzanti 3
Michael T. Smith 3
S.P. van Vuuren Citrus Research International 3
Bruce Fritz 3
D.G. Passmore 3
Joe Jernigan Alabama Wildlife and Freshwater Fisheries 3
Dell O. Clark California Department of Food and Agriculture 3
Daniel Wojcik 3
John Stommel 3
David Karp 3
Tarique Sani SANIsoft 3
Nick Dimmock University of Northampton 3
Art Wagner Washington State Department of Agriculture 3
Michael Jordan Alabama Department of Environmental Management 3
Karen Ackles KMA Images 3
Jose Hernandez USDA NRCS PLANTS Database 3
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IPM Thailand Archive 3
Stanton Gill University of Maryland Cooperative Extension 3
Nanna Borcherdt Sitka Conservation Society 3
Kristin Peterson OEB Dept., Harvard University 3
Alan Isler Georgia Forestry Commission 3
Wen Baldwin Lake Mead Boat Owners Association 3
Donna Richardson Royal Pest Management 3
Mirza Dautbasic University of Sarajevo 3
Patrick Loes 3
David Seerveld AAAnimal Control 3
Donnie Edwards 3
Maresha Seusy 3
Jacob Vance Emory University 3
Barry Cooke Natural Resources Canada 3
Kristopher Abell University of Massachusetts 3
D. Manastyrski 3
Robert Emanuel Clean Water Services 3
Jeff Weidhaas Bruce Terminix 3
Chris Malumphy The Food and Environment Research Agency 3
Craig Haskell USGS 3
Josh Shoemaker 3
Dr. A. D. Ali Davey Tree Expert Company 3
Robert Lee 3
guy meilleur better Tree Care Associates 3
Tymo Muus 3
Chris Schultz 3
Stephanie Adams The Morton Arboretum 3
Cheri Abraham University of Georgia 3
James Allison naturalist 3
Nico Franz University of Puerto Rico 3
Melissa Miller USGS Volunteer 3
Clif Brown 3
Gvozdev Antony free artist 3
Vicky Quick National Biological Information Infrastructure 3
Brett Billings US Fish and Wildlife Service 3
Shiva Shankar Prapanna solutions 3
William Shuster United States Environmental Protection Agency 3
Lizbeth Gonzalez Ericsson 3
F.C. Schweissing 3
Paul Trible 3
G.D. Franc 3
W.M. Hantsbarger 2
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Michael Dean Calif Dept Fish & Game, retired 2
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Iman Heijboer 2
Nora Arias Loftis 2
Taran Rampersad KnowProSE.com 2
Alex Popovkin Florula of Fazenda Rio do Negro, Bahia, Brazil 2
Phillip Needham Miles Opti-Crop 2
Ralph Cunningham Tennessee Valley Authority 2
Janice Lynch National Park Service 2
Mark Sengelmann National Park Service 2
Ronald Laubenstein US Fish and Wildlife Service 2
Kathleen Bjoran KBj Design/Free Thought Photography 2
Joe Berry none 2
Jen Kolb J Kolb Photography 2
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NOAA Archives 2
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Carlos Gomez 2
Lisa Liguori UGA Marine Extension Service 2
Nelda Matheny Hortscience 2
Jeff Johnston Montana State University 2
Erin Stockschlaeder Fairfax County Park Authority 2
Victoria Whaley 2
James Coupland FarmForest Research 2
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Margaret Caro 2
Benjamin Blonder University of Arizona 2
Tom Murray 2
Anna Soper 2
Catherine Linnen University of Kentucky 2
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Mark McClure Georgia Forestry Commission 2
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Eduardo Pereira 2
Alan Matthews 2
Jennifer Berry 2
Cathy Cochran Oak Hill Plantation llc 2
Bill Loftus University of Idaho 2
Jessica Sprajcar PA DCNR/ Office of Conservation Science 2
C. Paetel CABI Biosciences 2
Landesanstalt für Pflanzenbau und Pflanzenschutz Archive Landesanstalt für Pflanzenbau und Pflanzenschutz: Mainz 2
Juliana M. Harding Virginia Institute of Marine Science 2
Susan Trammell 2
Dana Rowe 2
Alison Mackey 2
Francis Maugard Département de la Santé des Forêts 2
Olivier Baubet Département de la Santé des Forêts 2
G. Reboux 2
François Lieutier University of Orléans 2
Brian Lenihan 2
Cheryl E. Frank University of Vermont 2
Chris Lockhart Florida Natural Areas Inventory 2
Todd Gilligan CSU 2
Sarah Braun Beaver Creek Reserve 2
Nicolina Zambone Nicolina's Photography 2
Carole Ritchie USDA NRCS PLANTS Database 2
D. Bray 2
Jae-Cheon Sohn 2
Ethan Angell New York State Department of Agriculture & Markets 2
Greg Mazur Davey Tree Expert Company 2
Frank A. Hale University of Tennessee 2
Kevin Mathias 2
Susan Kirk Forest Research 2
Rob Flynn 2
Rosa Kugler 2
Perry Hampson 2
Steve Hatch 2
Margaret Pooler 2
David Leatherman Colorado State Forest Service 2
E.I. Schutt 2
R.G. Steadman 2
Aref Abdul-Baki 2
Anatomy Department Archive West Virginia University 2
Dan Rahn 2
Stefan Neser ARC - Plant Protection Research Institute 2
Leslie Seiger San Diego Mesa College 2
Victoria Nuzzo Natural Area Consultants 2
Martin P. Hill ARC - Plant Protection Research Institute 2
Warner Park Nature Center Archive Warner Park Nature Center 2
Robert Nichols U. S. Department of Agriculture 2
Richard Chan Commonwealth Scientific and Industrial Research Organization 2
Alfred Cofrancesco U.S. Army Corps of Engineers 2
Hansell F. Cross Georgia State University 2
Bruce Neill Agriculture and Agri-Food Canada 2
H.K. Kaya University of California 2
Charles D. Pless University of Tennessee 2
Doug Allen State University of New York 2
John D. Kegg New Jersey Department of Agriculture 2
Lakshmi Sridharan 2
Wendy Patrick 2
Didier Vincenot SUAD/CIRAD-FLHOR 2
D.G. McNamara Plant Protection Institute, As 2
Josh Hillman FloridaNature.org 2
David Beckman Idaho Department of Lands 2
D. Schotzko University of Idaho 2
Rita Parkins 2
Jody Shimp Illinois Department of Natural Resources 2
Kristine Travis 2
Karen Loeffelman University of Idaho 2
Yves Bancillon Office National des Forêts 2
Carol DiSalvo USDI National Park Service 2
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Tim Haye Universität Kiel 2
P.M.J. Ramakers Applied Plant Research 2
P.W. Talboys 2
O. Heikinheimo 2
Piero Cravedi Universita Cattolica del Sacro Cuore 2
J.L. Danet INRA Centre de Recherches de Bordeaux 2
K. Kiritani 2
L. Kunze Biologische Bundesanstalt für Land- und Forstwirtschaft 2
Biologische Bundesanstalt, Institut für Pflanzenschutz im Obstbau Archive Biologische Bundesanstalt für Land- und Forstwirtschaft 2
Horticulture Research International, East Malling Archive Horticulture Research International 2
T. Kobayashi 2
W.R. Allen Agriculture and Agri-Food Canada 2
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International Rice Research Institute, Los Banos Archive International Rice Research Institute, Los Banos 2
SRPV, Poitiers Archive Les Services Régionaux de la Protection des Végétaux 2
SRPV, Ile de France Archive Les Services Régionaux de la Protection des Végétaux 2
SRPV, Bourgogne Archive Les Services Régionaux de la Protection des Végétaux 2
Osservatorio per le Malattie delle Piante Archive Osservatorio per le Malattie delle Piante 2
Gary Baxter Department of Primary Industries, Victoria 2
A.L. Taylor Nemapix picture set 2
G. Caubel Institut National de la Recherche Agronomique 2
R.B. Malek Nemapix picture set 2
C.E. Taylor and W.M. Robertson Nemapix picture set 2
Theirry Vrain Agriculture and Agri-Food Canada 2
Center for Great Lakes and Aquatic Sciences Archive University of Michigan 2
Mark McNeill AgResearch Invermay 2
Heidi Snell Charles Darwin Foundation 2
CSIRO Archive Commonwealth Scientific and Industrial Research Organization 2
E.R. French CIP, Lima 2
G. Morvan INRA, Montfavet 2
E.F. Wicker USDA 2
D.G. Walkey Horticultural Research International 2
Dr W. Jelkman Biologische Bundesanstalt für Land- und Forstwirtschaft 2
E. Mani Swiss Federal Research Station for Fruit-Growing, 2
Hideo Ishii Ministry of Agriculture, Forestry & Fisheries 2
G. Siscaro and G. Mazzeo Università di Catania 2
G.T. O'Loughlin Department of Agriculture 2
H. Audemard INRA, Montfavet 2
H. Powers 2
H. Sawada 2
H.D. Catling 2
H.J. Willetts University of New South Wales 2
H.L. Keil 2
David Voegtlin Illinois Natural History Survey 2
Steve Webb 2
Cemil Yetkin Agricultural Research Organization 2
C. Trouvé Service de la Protection des Végétaux 2
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D. Ritchie 2
Ross Mayhew Schooner Specimen Shells 2
P. Barkley Biological and Chemical Research Institute 2
Jack Clark University of California - Davis 2
Shirley Kerr 2
Warren L. Wagner Smithsonian Institution 2
Christie Cantrell 2
Dave Wilson 2
The William and Lynda Steere Herbarium of The New York Botanical Garden Archive 2
Mark Fontaine University of Florida 2
Flora MacColl University of Florida 2
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