Photography Credits

Invasive Plants and Weeds of the National Forests and Grasslands in the Southwestern Region

I would like to thank all of the individuals and/or organizations who so graciously granted permission and allowed the use of their photographs; they are accredited under each individual photograph used in this booklet and listed below.

© AD: Photo Courtesy of Ann Dennis, 2002 @ calphotos. berkeley.edu — burclover
© AF:

Photo Courtesy of Alison Fox, University of Florida, Bugwood.org — Eurasian watermilfoil

© AS: Photo Courtesy of Al Schneider @ USDA-NRCS PLANTS Database — blue mustard
© ASUH:

Photo Courtesy of Arizona State University Herbarium — Arabiangrass

© AV:

Photo Courtesy of Anthony Valois and the Santa Monica Mountains National Recreation Area, USDI National Park Service — chicory

© BA:

Photo Courtesy of Bruce Ackley, The Ohio State University, Bugwood.org — spiny sowthistle, wild mustard

© BB: Photo Courtesy of Barry Breckling, 2010 @ calphotos. berkeley.edu — floating primrose-willow
© B&LC:

Photo Courtesy of Barbara J. and Lorence G. Collins, Thousand Oaks, CA @ www.clunet.edu/gf — African sumac

© BM:

Photo Courtesy of Bonnie Million, National Park Service, Bugwood.org — curveseed butterwort, Dalmatian toadflax, halogeton, redstem filaree, Russian knapweed, saltcedar, Scotch thistle

© BR:

Photo Courtesy of Barry Rice, sarracenia.com, Bugwood.org — chicory, Johnsongrass, purple starthistle, spiny cocklebur, teasel, whitetop, yellow starthistle

©CB:

Photo Courtesy of Chuck Bargeron, University of Georgia, Bugwood.org — tree of heaven

©CDFA:

Photo Courtesy of Staff CDFA, California Dept. of Food
& Agriculture, Integrated Pest Control Branch, 2001 @ calphotos.berkeley.edu — Iberian knapweed, Sicilian starthistle

©CE: Photo Courtesy of Chris Evans, River to River CWMA, Bugwood.org — bull thistle, cheatgrass, giant reed, Russian olive, spiny sowthistle, whitetop
©CM: Photo Courtesy of Carey Minteer, University of Georgia, Bugwood.org — wooly mullein
©CR:

Photo Courtesy of Cindy Roche, Bugwood.org — meadow knapweed, yellow starthistle

©CS:

Photo Courtesy of Clinton Shock, Oregon State University, Bugwood.org — halogeton

©CTB: Photo Courtesy of Charles T. Bryson, USDA Agricultural Research Service, Bugwood.org — Johnsongrass
©DB:

Photo Courtesy of Douglas Barbe, California Department of Food and Agriculture, Bugwood.org — African rue

©DC:

Photo Courtesy of David Cappaert, Michigan State University, Bugwood.org — perennial sowthistle
©DD:

Photo Courtesy of D. Dixon, California Dept. of Food
& Agriculture, Integrated Pest Control Branch, 2001 @ calphotos.berkeley.edu — Sicilian starthistle

©DJM: Photo Courtesy of David J. Moorhead, University of Georgia, Bugwood.org — giant reed
©DP: Photo Courtesy of Dave Powell, USDA Forest Service, Bugwood.org — yellow sweetclover
©DWT: Photo Courtesy of Dean Wm. Taylor, 1980 @ calphotos. berkeley.edu — curveseed butterwort
©EB: Photo Courtesy of Elizabeth Bella, USDA Forest Service, Bugwood.org — white sweetclover
©EC: Photo Courtesy of Eric Coombs, Oregon Department of Agriculture, Bugwood.org — meadow knapweed, Mediterranean sage, purple loosestrife
©EL:

Photo Courtesy of Eric LHOTE @ L’Atelier Artistique
du Paysage, 2010, www.latelierartistiquedupaysage.com — Mediterranean sage

©EM: Photo Courtesy of Elizabeth Makings @ asu.edu — sweet resinbush
©FD: Photo Courtesy of Faith Duncan, USDA Forest Service, Bugwood.org — tansy ragwort
©F&KS: Photo Courtesy of Forest & Kim Starr, U.S. Geological Survey, Bugwood.org — crimson fountaingrass, Himalayan blackberry, little hogweed, parrot feather milfoil, puncturevine, red clover, redstem filaree, rescuegrass, ripgut brome, Russian thistle, southern sandbur, weeping lovegrass, white clover, wooly mullein
©GAC:

Photo Courtesy of G.A. Cooper, USDA-PLANTS Database, Bugwood.org — African rue

©G&AD: Photo Courtesy of George and Audrey DeLange@ www.delange.org — African sumac, globe chamomile, Saharan mustard, white sweetclover
©GAM:

Photo Courtesy of Gary A. Monroe @ USDA-NRCS PLANTS Database — curveseed butterwort

©GFH:

Photo Courtesy of G.F. Hrusa, California Dept. of Food
& Agriculture, Botany Laboratory, 2001 @ calphotos. berkeley.edu — Sicilian starthistle

©GH: Photo Courtesy of Gerald Holmes, Valent USA Corporation, Bugwood.org — alfalfa
©GL:

Photo Courtesy of Graves Lovell, Alabama Department of Conservation and Natural Resources, Bugwood.org — floating primrose-willow

©GLP: Photo Courtesy of Gary L. Piper, Washington State University, Bugwood.org — spiny plumeless thistle
©HB: Photo Courtesy of Henry Brisse, @ henry.brisse@univ- cezanne.fr — sweet resinbush
©HFS: Photo Courtesy of Howard F. Schwartz, Colorado State University, Bugwood.org — alfalfa, puncturevine
©HZ: Photo Courtesy of H. Zell, 12 August 2009, Wikimedia Commons, http://en.wikipedia.org/wiki/File:Vitex_ agnus-castus — lilac chastetree
©JB:

Photo Courtesy of Joseph Berger, Bugwood.org — redstem filaree

©JC: Photo Courtesy of John Cardina, the Ohio State University, Bugwood.org — Johnsongrass, spotted knapweed, yellow salsify
©JCS: Photo Courtesy of J. C. Schou @ Biopix — field brome
©JDB: Photo Courtesy of John D. Byrd, Mississippi State University, Bugwood.org — poison hemlock
©JHM1: Photo Courtesy of James H. Miller, USDA Forest Service, Bugwood.org — giant reed, weeping lovegrass
©JHM2:

Photo Courtesy of James H. Miller @ USDA-NRCS PLANTS Database/James H. Miller and Karl V. Miller. 2005. Forest plants of the southeast and their wildlife uses. University of Georgia Press, Athens — spiny sowthistle

©JHM2: Photo Courtesy of James H. Miller & Ted Bodner, Southern Weed Science Society, Bugwood.org — tall fescue, tall morning-glory
©JHD:

Photo Courtesy of Joseph M. DiTomaso, University of California - Davis, Bugwood.org — African rue, Arabiangrass, buffelgrass, diffuse knapweed, Dyer’s woad, field brome, field sandbur, hairy whitetop, Lehmann lovegrass, lens-podded hoarycress, Malta starthistle, Mediterranean grass, ravennagrass,
rescuegrass, ripgut brome, rush skeletonweed, Saharan mustard, squarrose knapweed, tall fescue, Uruguayan pampas grass, weeping lovegrass, whitetop, wild mustard

©JMR:

Photo Courtesy of John M. Randall, the Nature Conservancy, Bugwood.org — buffelgrass, camelthorn, Canada thistle, crimson fountaingrass, Himalayan blackberry, hounds-tongue, kochia, leafy spurge, Lehmann lovegrass, Malta starthistle, red brome, Russian knapweed, saltcedar, Siberian elm, spiny cocklebur

©JN:

Photo Courtesy of Jamie Nielsen, University of Alaska Fairbanks, Cooperative Extension Service, Bugwood.org — white sweetclover

©JS: Photo Courtesy of Jan Samanek, State Phytosanitary Administration, Bugwood.org — black henbane, common cocklebur, poison hemlock, tree of heaven
©JV:

Photo Courtesy of Joy Viola, Northeastern University, Bugwood.org — Uruguayan pampas grass

©KAR: Photo Courtesy of Karan A. Rawlins, University of Georgia, Bugwood.org — black medick, horehound
©KW:

Photo Courtesy of Keith Weller, USDA Agricultural Research Service @ bugwood.org — alfalfa

©LA: Photo Courtesy of Lloyd Andres, USDA Agricultural Research Service, Bugwood.org — Mediterranean sage
©LJM: Photo Courtesy of Leslie J. Mehrhoff, University of Connecticut, Bugwood.org — Eurasian watermilfoil, tansy ragwort
©LLB:

Photo Courtesy of L.L. Berry, Bugwood.org — Mediterranean sage

©LM: Photo Courtesy of Liz Marking @ http://swbiodiversity. org/seinet — globe chamomile
©LR:

Photo Courtesy of Luigi Rignanese, 2005, 2007 @ calphotos.berkeley.edu — bigleaf periwinkle, horehound, kochia, onionweed, perennial wallrocket, teasel, wild mustard

©LTK: Photo Courtesy of Loke T. Kok, Virginia Polytechnic Institute and State University, Bugwood.org — musk thistle
©LW: Photo Courtesy of Linda Wilson, University of Idaho, Bugwood.org — Dalmatian toadflax
©MEH: Photo Courtesy of Mary Ellen (Mel) Harte, Bugwood. org — black henbane, broadleaved pepperweed, common burdock, field bindweed, hairy whitetop, hounds-tongue, lens-podded hoarycress, musk thistle, oxeye daisy, Russian thistle, wooly mullein
©ML:

Photo Courtesy of Max Licher @ http://swbiodiversity. org/seinet — bigleaf periwinkle, blue mustard, Malta starthistle

©MS: Photo Courtesy of Michael Shephard, USDA Forest Service, Bugwood.org — bull thistle, perennial sowthistle, tansy ragwort, yellow toadflax
©NER: Photo Courtesy of Norman E. Rees, USDA Agricultural Research Service, Bugwood.org — diffuse knapweed, purple loosestrife
©NL: Photo Courtesy of Nancy Loewenstein, Auburn University, Bugwood.org — parrot feather milfoil
©OSWL:

Photo Courtesy of Ohio State Weed Lab Archive, the Ohio State University, Bugwood.org — Carolina horsenettle, Johnsongrass, quackgrass, spotted knapweed

©PB: Photo Courtesy of Patrick Breen, Oregon State University, Bugwood.org — Russian olive
©PEB: Photo Courtesy of Paul E. Berry, Wisconsin State Herbarium, University of Wisconsin-Madison — white sweetclover
©PEF: Photo Courtesy of Patti Fenner, Tonto National Forest, USDA Forest Service — African sheepbush
©PJA:

Photo Courtesy of Patrick J. Alexander @ USDA-NRCS PLANTS Database — black medic, tall morning-glory, white clover

©PTL: Photo Courtesy of Pedro Tenorio-Lezama, Bugwood. org — broadleaved pepperweed, oxeye daisy, Russian thistle, tall morning-glory, yellow sweetclover
©PW1:

Photo Courtesy of Phil Westra, Colorado State University, Bugwood.org — common cocklebur, little hogweed

©PW2: Photo Courtesy of Paul Wray, Iowa State University, Bugwood.org — Russian olive, tree of heaven
©RAH: Photo Courtesy of R.A. Howard @ USDA-NRCS PLANTS Database — chicory
©RET: Photo Courtesy of Ruth E. Timme, Research Assistant, University of Maryland @ www.ruthtimme.com — Texas blueweed
©RHM:

Robert H. Mohlenbrock, @ USDA-NRCS PLANTS Database — black medick

©RL: Photo Courtesy of Ricky Layson, Ricky Layson Photography, Bugwood.org — musk thistle
©RO: Photo Courtesy of Richard Old, XID Services, Inc., Bugwood.org — alfalfa, blue mustard, common burdock, crimson fountaingrass, diffuse knapweed, Eurasian watermilfoil, field sandbur, hairy whitetop, Himalayan blackberry, kochia, Mediterranean grass, red clover, redstem filaree, rush skeletonweed, Siberian elm, southern sandbur, tansy ragwort, tree of heaven, wild oat, yellow toadflax
©RRB:

Photo Courtesy of Robin R. Buckallew @ USDA-NRCS PLANTS Database — tall morning-glory

©RS:

Photo Courtesy of Richard Spellenberg, 2012 @ calphotos.berkeley.edu — globe chamomile

©RV:

Photo Courtesy of Robert Vidéki, Doronicum Kft., Bugwood.org — chicory, common cocklebur, hounds- tongue, Scotch thistle, spiny cocklebur

©SD: Photo Courtesy of Steve Dewey, Utah State University, Bugwood.org — black henbane, broadleaved pepperweed, bull thistle, camelthorn, Canada thistle, cheatgrass, diffuse knapweed, Dyer’s woad, jointed goatgrass, leafy spurge, musk thistle, oxeye daisy, perennial sowthistle, purple loosestrife, purple starthistle, quackgrass, rush skeletonweed, Russian knapweed, saltcedar, Scotch thistle, spiny sowthistle, spotted knapweed, squarrose knapweed, teasel, wild oat, wooly mullein, yellow salsify, yellow starthistle, yellow sweetclover, yellow toadflax
©SH: Photo Courtesy of Steve Hurst @ USDA-NRCS PLANTS Database — Arabiangrass, Mediterranean grass
©SM: Photo Courtesy of Steve Matson, 2005 @ calphotos. berkeley.edu — burclover, lens-podded hoarycress, wild oat
©ST: Photo Courtesy of Steve Thorsted, 2010 @ calphotos. berkeley.edu — onionweed
©TB: Photo Courtesy of Ted Bodner, Southern Weed Science Society, Bugwood.org — Carolina horsenettle
©TF:

Photo Courtesy of T. Fuller, California Dept. of Food
& Agriculture, Botany Laboratory, 2001 @ calphotos. berkeley.edu — Sicilian starthistle

©TH: Photo Courtesy of Tom Heutte, USDA Forest Service, Bugwood.org — field bindweed, perennial sowthistle, red clover, yellow sweetclover
©TNC: Photo Courtesy of the Nature Conservancy, 2000 @ tncweeds.ucdavis.edu — lens-podded hoarycress
©TP: Photo Courtesy of Todd Pfeiffer, Klamath County Weed Control, Bugwood.org — spiny plumeless thistle
©TW:

Photo Courtesy of Theodore Webster, USDA Agricultural Research Service, Bugwood.org — yellow salsify

©USDA1:

Photo Courtesy of USDA APHIS PPQ Archive, USDA APHIS PPQ, Bugwood.org — jointed goatgrass, leafy spurge, onionweed

©USDA2: Photo Courtesy of USDA NRCS Archive, USDA NRCS, Bugwood.org — Siberian elm
©USU: Photo Courtesy of Utah State University Archive, Utah State University, Bugwood.org — Dalmatian toadflax, little hogweed, puncturevine, rush skeletonweed
©V: Photo Courtesy of Vilseskogen at http://www.flickr.com/ photos/vilseskogen/3066876182/ and http://www.flickr. com/photos/vilseskogen/3066035257/ — parrot feather milfoil
©WMC: Photo Courtesy of William M. Ciesla, Forest Health Management International, Bugwood.org — yellow salsify
©X: Photo Courtesy of Xenomorf, 2006 @ Dave’s Gargen. com — African sumac, globe chamomile