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Todd J. Ward

D-Index & Metrics

Biology and Biochemistry

D-Index
56
Citations
13963
World Ranking
14264
National Ranking
6014

Todd J. Ward publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Todd J. Ward sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 107 publications — 7th percentile

7% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Todd J. Ward D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Todd J. Ward sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 56 D-Index — 28th percentile

28% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Todd J. Ward is affiliated with the United States Department of Agriculture in the United States. Their research primarily focuses on agricultural and biological sciences, with publications spanning biochemistry, genetics, and molecular biology. The subfields of their research include plant science, cell biology, ecology, evolution, behavior, systematics, food science, and biotechnology.

The main topics covered in Todd J. Ward's work are:

  • Plant Pathogens and Fungal Diseases
  • Mycotoxins in Agriculture and Food
  • Plant and Fungal Interactions
  • Plant Disease Resistance and Genetics
  • Listeria monocytogenes in Food Safety
  • Salmonella and Campylobacter Epidemiology
  • Essential Oils and Antimicrobial Activity

Frequent co-authors collaborating with Todd J. Ward include:

  • Susan P. McCormick
  • Kerry O'Donnell
  • Imane Laraba
  • Robert H. Proctor
  • Mark Busman

Todd J. Ward's research has been published in several peer-reviewed venues. The most frequent publication outlets are:

  • Phytopathology
  • International Journal of Food Microbiology
  • Microbiology Resource Announcements
  • mSphere
  • Plant Pathology

Recent notable papers by Todd J. Ward include:

  • No to Neocosmospora: Phylogenomic and Practical Reasons for Continued Inclusion of the Fusarium solani Species Complex in the Genus Fusarium, 2020, mSphere
  • Species diversity and mycotoxin production by members of the Fusarium tricinctum species complex associated with Fusarium head blight of wheat and barley in Italy, 2021, International Journal of Food Microbiology
  • Fusarium graminearum Species Complex: A Bibliographic Analysis and Web-Accessible Database for Global Mapping of Species and Trichothecene Toxin Chemotypes, 2021, Phytopathology
  • Regional and field-specific differences in Fusarium species and mycotoxins associated with blighted North Carolina wheat, 2020, International Journal of Food Microbiology
  • Five-year survey uncovers extensive diversity and temporal fluctuations among fusarium head blight pathogens of wheat and barley in Brazil, 2020, Plant Pathology

Best Publications

  • FUSARIUM-ID v. 1.0: A DNA sequence database for identifying Fusarium

    David M. Geiser;María del Mar Jiménez-Gasco;Seogchan Kang;Izabela Makalowska

  • The Fusarium graminearum Genome Reveals a Link Between Localized Polymorphism and Pathogen Specialization

    Christina A. Cuomo;Ulrich Güldener;Jin Rong Xu;Frances Trail

  • Genealogical concordance between the mating type locus and seven other nuclear genes supports formal recognition of nine phylogenetically distinct species within the Fusarium graminearum clade

    Kerry O’Donnell;Todd J. Ward;David M. Geiser;H. Corby Kistler

  • Ancestral polymorphism and adaptive evolution in the trichothecene mycotoxin gene cluster of phytopathogenic Fusarium

    Todd J. Ward;Joseph P. Bielawski;H. Corby Kistler;Eileen Sullivan

  • An adaptive evolutionary shift in Fusarium head blight pathogen populations is driving the rapid spread of more toxigenic Fusarium graminearum in North America

    Todd J. Ward;Randall M. Clear;Alejandro P. Rooney;Kerry O’Donnell

  • Global molecular surveillance reveals novel Fusarium head blight species and trichothecene toxin diversity.

    David E. Starkey;Todd J. Ward;Takayuki Aoki;Liane R. Gale

  • Phylogenetic analyses of RPB1 and RPB2 support a middle Cretaceous origin for a clade comprising all agriculturally and medically important fusaria

    Kerry O’Donnell;Alejandro P. Rooney;Robert H. Proctor;Daren W. Brown

  • Phylogenetic Diversity and Microsphere Array-Based Genotyping of Human Pathogenic Fusaria, Including Isolates from the Multistate Contact Lens-Associated U.S. Keratitis Outbreaks of 2005 and 2006

    Kerry O'Donnell;Brice A. J. Sarver;Mary Brandt;Douglas C. Chang

  • DNA sequence-based identification of Fusarium : Current status and future directions

    Kerry O’Donnell;Todd J. Ward;Vincent A. R. G. Robert;Pedro W. Crous

  • One Fungus, One Name: Defining the Genus Fusarium in a Scientifically Robust Way That Preserves Longstanding Use

    David M. Geiser;Takayuki Aoki;Charles W. Bacon;Scott E. Baker

  • Multilocus genotyping and molecular phylogenetics resolve a novel head blight pathogen within the Fusarium graminearum species complex from Ethiopia

    Kerry O’Donnell;Todd J. Ward;Dereje Aberra;H. Corby Kistler;H. Corby Kistler

  • Novel Fusarium head blight pathogens from Nepal and Louisiana revealed by multilocus genealogical concordance.

    Brice A.J. Sarver;Todd J. Ward;Liane R. Gale;Karen Broz

  • Intraspecific Phylogeny and Lineage Group Identification Based on the prfA Virulence Gene Cluster of Listeria monocytogenes

    Todd J. Ward;Lisa Gorski;Monica K. Borucki;Robert E. Mandrell

  • A novel Asian clade within the Fusarium graminearum species complex includes a newly discovered cereal head blight pathogen from the Russian Far East.

    Tapani Yli-Mattila;Tatiana Gagkaeva;Todd J. Ward;Takayuki Aoki

  • Molecular Characterization of the Fusarium graminearum Species Complex in Japan

    H. Suga;G. W. Karugia;T. Ward;L. R. Gale

  • Evolutionary relationships among mucoralean fungi (Zygomycota) : evidence for family polyphyly on a large scale

    Kerry O'Donnell;Francois M. Lutzoni;Todd J. Ward;Gerald L. Benny

  • New tricks of an old enemy: Isolates of Fusarium graminearum produce a type A trichothecene mycotoxin

    Elisabeth Varga;Gerlinde Wiesenberger;Christian Hametner;Todd J. Ward

  • Evolution of a large ribosomal RNA multigene family in filamentous fungi: Birth and death of a concerted evolution paradigm

    Alejandro P. Rooney;Todd J. Ward

  • Nivalenol-type populations of Fusarium graminearum and F. asiaticum are prevalent on wheat in Southern Louisiana.

    Liane Rosewich Gale;Stephen A. Harrison;Todd J. Ward;Kerry O'Donnell

  • Multilocus genotyping assays for single nucleotide polymorphism-based subtyping of Listeria monocytogenes isolates.

    Todd J. Ward;Thomas F. Ducey;Thomas Usgaard;Katherine A. Dunn

Frequent Co-Authors

Kerry O'Donnell
Kerry O'Donnell National Center for Agricultural Utilization Research
H. Corby Kistler
H. Corby Kistler University of Minnesota
Susan P. McCormick
Susan P. McCormick United States Department of Agriculture
Robert H. Proctor
Robert H. Proctor United States Department of Agriculture
David M. Geiser
David M. Geiser Pennsylvania State University
Cees Waalwijk
Cees Waalwijk Wageningen University & Research
Antonio Moretti
Antonio Moretti National Research Council (CNR)
Seogchan Kang
Seogchan Kang Pennsylvania State University
Alejandro P. Rooney
Alejandro P. Rooney National Center for Agricultural Utilization Research
Theo van der Lee
Theo van der Lee Wageningen University & Research

External Links

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Best Scientists Citing Todd J. Ward

Jin-Rong Xu

Jin-Rong Xu

Purdue University West Lafayette

Publications: 71

Pedro W. Crous

Pedro W. Crous

Utrecht University

Publications: 67

Kerry O'Donnell

Kerry O'Donnell

National Center for Agricultural Utilization Research

Publications: 66

Kevin D. Hyde

Kevin D. Hyde

Mae Fah Luang University

Publications: 58

Michael J. Wingfield

Michael J. Wingfield

University of Pretoria

Publications: 51

Martin Wiedmann

Martin Wiedmann

Cornell University

Publications: 51

H. Corby Kistler

H. Corby Kistler

University of Minnesota

Publications: 49

Robert H. Proctor

Robert H. Proctor

United States Department of Agriculture

Publications: 48

David M. Geiser

David M. Geiser

Pennsylvania State University

Publications: 44

Donald M. Gardiner

Donald M. Gardiner

Commonwealth Scientific and Industrial Research Organisation

Publications: 44

Zhonghua Ma

Zhonghua Ma

Zhejiang University

Publications: 43

Brenda D. Wingfield

Brenda D. Wingfield

University of Pretoria

Publications: 39

Antonio Moretti

Antonio Moretti

National Research Council (CNR)

Publications: 38

Emma Theodora Steenkamp

Emma Theodora Steenkamp

University of Pretoria

Publications: 36

Kim E. Hammond-Kosack

Kim E. Hammond-Kosack

Rothamsted Research

Publications: 36

Susan P. McCormick

Susan P. McCormick

United States Department of Agriculture

Publications: 35

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