World's Best Scientists 2026 revealed!
Thomas C. Harrington

Thomas C. Harrington

D-Index & Metrics

Plant Science and Agronomy

D-Index
61
Citations
11229
World Ranking
1171
National Ranking
316

Thomas C. Harrington publication distribution in Plant Science and Agronomy in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Plant Science and Agronomy in 2026. The highlighted bar marks where Thomas C. Harrington sits on this spectrum.

36–40 publications: 2 scientists 41–45 publications: 7 scientists 46–50 publications: 40 scientists 51–55 publications: 58 scientists 56–60 publications: 60 scientists 61–65 publications: 107 scientists 66–70 publications: 130 scientists 71–75 publications: 153 scientists 76–80 publications: 191 scientists 81–85 publications: 199 scientists 86–90 publications: 206 scientists 91–95 publications: 218 scientists 96–100 publications: 226 scientists 101–105 publications: 227 scientists 106–110 publications: 247 scientists 111–115 publications: 255 scientists 116–120 publications: 253 scientists 121–125 publications: 233 scientists 126–130 publications: 219 scientists 131–135 publications: 201 scientists 136–140 publications: 194 scientists 141–145 publications: 176 scientists 146–150 publications: 157 scientists 151–155 publications: 147 scientists 156–160 publications: 151 scientists 161–165 publications: 159 scientists 166–170 publications: 137 scientists 171–175 publications: 128 scientists 176–180 publications: 126 scientists 181–185 publications: 98 scientists 186–190 publications: 114 scientists 191–195 publications: 100 scientists 196–200 publications: 90 scientists 201–205 publications: 71 scientists 206–210 publications: 98 scientists 211–215 publications: 70 scientists 216–220 publications: 86 scientists 221–225 publications: 61 scientists 226–230 publications: 58 scientists 231–235 publications: 53 scientists 236–240 publications: 64 scientists 241–245 publications: 39 scientists 246–250 publications: 46 scientists 251–255 publications: 51 scientists 256–260 publications: 36 scientists 261–265 publications: 44 scientists 266–270 publications: 35 scientists 271–275 publications: 30 scientists 276–280 publications: 33 scientists 281–285 publications: 35 scientists 286–290 publications: 36 scientists 291–295 publications: 26 scientists 296–300 publications: 26 scientists 301–305 publications: 31 scientists 306–310 publications: 30 scientists 311–315 publications: 21 scientists 316–320 publications: 29 scientists 321–325 publications: 14 scientists 326–330 publications: 15 scientists 331–335 publications: 15 scientists 336–340 publications: 17 scientists 341–345 publications: 15 scientists 346–350 publications: 12 scientists 351–355 publications: 17 scientists 356–360 publications: 18 scientists 361–365 publications: 12 scientists 366–370 publications: 11 scientists 371–375 publications: 6 scientists 376–380 publications: 6 scientists 381–385 publications: 11 scientists 386–390 publications: 9 scientists 391–395 publications: 10 scientists 396–400 publications: 8 scientists 401–405 publications: 4 scientists 406–410 publications: 9 scientists 411–415 publications: 11 scientists 416–420 publications: 4 scientists 421–425 publications: 7 scientists 426–430 publications: 4 scientists 431–435 publications: 3 scientists 436–440 publications: 5 scientists 441–445 publications: 8 scientists 446–450 publications: 6 scientists 451–455 publications: 7 scientists 456–460 publications: 5 scientists 461–465 publications: 6 scientists 466 publications: 2 scientists 467+ publications: 99 scientists
36 publications 467+

This scientist: 178 publications — 70th percentile

70% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 467 publications or more.

Thomas C. Harrington D-index placement in Plant Science and Agronomy in 2026

The chart shows the D-index (discipline H-index) distribution of Plant Science and Agronomy scientists ranked by Research.com in 2026. The highlighted bar marks where Thomas C. Harrington sits on this spectrum.

30 D-Index: 200 scientists 31 D-Index: 236 scientists 32 D-Index: 253 scientists 33 D-Index: 283 scientists 34 D-Index: 288 scientists 35 D-Index: 240 scientists 36 D-Index: 246 scientists 37 D-Index: 243 scientists 38 D-Index: 247 scientists 39 D-Index: 229 scientists 40 D-Index: 232 scientists 41 D-Index: 230 scientists 42 D-Index: 228 scientists 43 D-Index: 219 scientists 44 D-Index: 193 scientists 45 D-Index: 164 scientists 46 D-Index: 158 scientists 47 D-Index: 143 scientists 48 D-Index: 131 scientists 49 D-Index: 127 scientists 50 D-Index: 122 scientists 51 D-Index: 122 scientists 52 D-Index: 110 scientists 53 D-Index: 102 scientists 54 D-Index: 98 scientists 55 D-Index: 79 scientists 56 D-Index: 85 scientists 57 D-Index: 88 scientists 58 D-Index: 91 scientists 59 D-Index: 62 scientists 60 D-Index: 61 scientists 61 D-Index: 59 scientists 62 D-Index: 54 scientists 63 D-Index: 61 scientists 64 D-Index: 59 scientists 65 D-Index: 58 scientists 66 D-Index: 41 scientists 67 D-Index: 49 scientists 68 D-Index: 39 scientists 69 D-Index: 32 scientists 70 D-Index: 40 scientists 71 D-Index: 47 scientists 72 D-Index: 38 scientists 73 D-Index: 28 scientists 74 D-Index: 29 scientists 75 D-Index: 28 scientists 76 D-Index: 22 scientists 77 D-Index: 21 scientists 78 D-Index: 25 scientists 79 D-Index: 26 scientists 80 D-Index: 19 scientists 81 D-Index: 16 scientists 82 D-Index: 12 scientists 83 D-Index: 16 scientists 84 D-Index: 14 scientists 85 D-Index: 11 scientists 86 D-Index: 17 scientists 87 D-Index: 13 scientists 88 D-Index: 10 scientists 89 D-Index: 12 scientists 90 D-Index: 18 scientists 91 D-Index: 16 scientists 92 D-Index: 16 scientists 93 D-Index: 17 scientists 94 D-Index: 12 scientists 95 D-Index: 8 scientists 96 D-Index: 9 scientists 97 D-Index: 9 scientists 98 D-Index: 11 scientists 99 D-Index: 12 scientists 100 D-Index: 5 scientists 101 D-Index: 8 scientists 102 D-Index: 4 scientists 103 D-Index: 11 scientists 104 D-Index: 5 scientists 105 D-Index: 9 scientists 106 D-Index: 7 scientists 107 D-Index: 4 scientists 108 D-Index: 8 scientists 109+ D-Index: 99 scientists
30 D-Index 109+

This scientist: 61 D-Index — 83rd percentile

83% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 109 D-Index or more.

Overview

What is he best known for?

The fields of study he is best known for:

  • Botany
  • Ecology
  • Genus

His main research concerns Botany, Ophiostomatales, Ambrosia fungi, Ophiostoma and Internal transcribed spacer. As part of his studies on Botany, he often connects relevant areas like Phylogenetics. The various areas that he examines in his Ophiostoma study include Sensu and Taxonomy.

The Internal transcribed spacer study combines topics in areas such as Theobroma, Host and Clade. His work deals with themes such as Ambrosiella, Xyleborini, Mycangium and Wilt disease, which intersect with Xyleborus glabratus. His Grosmannia study integrates concerns from other disciplines, such as Grosmannia clavigera, Dendroctonus, Phloem, Hylastes ater and Bark.

His most cited work include:

  • INTERACTIONS AMONG SCOLYTID BARK BEETLES, THEIR ASSOCIATED FUNGI, AND LIVE HOST CONIFERS (623 citations)
  • A Fungal Symbiont of the Redbay Ambrosia Beetle Causes a Lethal Wilt in Redbay and Other Lauraceae in the Southeastern United States (287 citations)
  • A PCR-based identification method for species of Armillaria (177 citations)

What are the main themes of his work throughout his whole career to date?

Thomas C. Harrington mostly deals with Botany, Ceratocystis, Ceratocystis fimbriata, Internal transcribed spacer and Phylogenetic tree. His study in Ribosomal DNA extends to Botany with its themes. His Ceratocystis study incorporates themes from Bark beetle and Genetics.

His Ceratocystis fimbriata research is multidisciplinary, incorporating perspectives in Clade, Colocasia esculenta, Eucalyptus, Ipomoea and Genetic variation. His work in Phylogenetic tree tackles topics such as Phylogenetics which are related to areas like Evolutionary biology, Taxon and Ribosomal RNA. His work is dedicated to discovering how Ambrosia beetle, Microascales are connected with Zoology and Genus and other disciplines.

He most often published in these fields:

  • Botany (71.23%)
  • Ceratocystis (20.55%)
  • Ceratocystis fimbriata (19.18%)

What were the highlights of his more recent work (between 2016-2021)?

  • Botany (71.23%)
  • Ceratocystis (20.55%)
  • Ceratocystis fimbriata (19.18%)

In recent papers he was focusing on the following fields of study:

Thomas C. Harrington focuses on Botany, Ceratocystis, Ceratocystis fimbriata, Phylogenetic tree and Zoology. His Botany research is multidisciplinary, relying on both Host and Genetic diversity. His biological study spans a wide range of topics, including Crown, Phylogenetics, Metrosideros polymorpha and Horticulture.

Thomas C. Harrington usually deals with Ceratocystis fimbriata and limits it to topics linked to Colocasia esculenta and Biological dispersal, Monophyly, Population genetics, Mycelium and Mating. Thomas C. Harrington interconnects Endophyte and Quercus spp in the investigation of issues within Phylogenetic tree. In his research on the topic of Zoology, Ambrosia beetle and Ambrosia fungi is strongly related with Microascales.

Between 2016 and 2021, his most popular works were:

  • New Ceratocystis species associated with rapid death of Metrosideros polymorpha in Hawai`i (30 citations)
  • Genetic variation in native populations of the laurel wilt pathogen, Raffaelea lauricola , in Taiwan and Japan and the introduced population in the United States (19 citations)
  • Patterns of coevolution between ambrosia beetle mycangia and the Ceratocystidaceae, with five new fungal genera and seven new species. (12 citations)

In his most recent research, the most cited papers focused on:

  • Botany
  • Fungus
  • Genus

The scientist’s investigation covers issues in Ambrosia beetle, Zoology, Botany, Fungus and Microascales. His studies deal with areas such as Xanthosoma, Phylogenetic tree, Metrosideros polymorpha and Invasive species as well as Zoology. His biological study focuses on Wilt disease.

His Wilt disease research focuses on UPGMA and how it relates to Ceratocystis. His research integrates issues of Mutualism, Species level, Genus and Coevolution in his study of Fungus. Thomas C. Harrington has included themes like Taxonomy, Ribosomal DNA, DNA barcoding and Ambrosia fungi in his Microascales study.

Best Publications

  • INTERACTIONS AMONG SCOLYTID BARK BEETLES, THEIR ASSOCIATED FUNGI, AND LIVE HOST CONIFERS

    T. D. Paine;K. F. Raffa;T. C. Harrington

  • A Fungal Symbiont of the Redbay Ambrosia Beetle Causes a Lethal Wilt in Redbay and Other Lauraceae in the Southeastern United States

    S. W. Fraedrich;T. C. Harrington;R. J. Rabaglia;M. D. Ulyshen

  • Ecology and evolution of mycophagous bark beetles and their fungal partners.

    T. C. Harrington;F. E. Vega;M. Blackwell

  • Raffaelea lauricola , a new ambrosia beetle symbiont and pathogen on the Lauracea .

    T.C. Harrington;Stephen Fraedrich;D.N. Aghayeva

  • Cycloheximide Sensitivity as a Taxonomic Character in Ceratocystis

    T. C. Harrington

  • Intersterility, morphology and taxonomy of Ceratocystis fimbriata on sweet potato, cacao and sycamore.

    Christine J. Baker Engelbrecht;Thomas C. Harrington

  • Phylogeny and taxonomy of the Ophiostoma piceae complex and the Dutch elm disease fungi

    Thomas C. Harrington;Doug McNew;Joseph Steimel;Deborah Hofstra

  • New combinations in Raffaelea, Ambrosiella, and Hyalorhinocladiella, and four new species from the redbay ambrosia beetle, Xyleborus glabratus

    T.C. Harrington;D.N. Aghayeva;Stephen Fraedrich

  • Genetic Variability and Host Specialization in the Latin American Clade of Ceratocystis fimbriata.

    Christine J. Baker;Thomas C. Harrington;Ulrike Krauss;Acelino C. Alfenas

  • Wood-destroying soft rot fungi in the historic expedition huts of Antarctica.

    Robert A. Blanchette;Benjamin W. Held;Joel A. Jurgens;Douglas L. McNew

  • Defining Species in the Fungi

    Thomas C. Harrington;David M. Rizzo

  • Forest dynamics and agents that initiate and expand canopy gaps in Picea–Abies forests of Crawford Notch, New Hampshire, USA

    James J. Worrall;Thomas D. Lee;Thomas D. Lee;Thomas C. Harrington;Thomas C. Harrington

  • Phellinus (Hymenochaetaceae). : A survey of the world taxa

    Unknown

  • ESTABLISHING CUSTOMER SERVICE STRATEGIES WITHIN THE MARKETING MIX : MORE EMPIRICAL EVIDENCE

    D M Lambert;T C Harrington

  • Species of Cercospora associated with grey leaf spot of maize

    Pedro W. Crous;Johannes Z. Groenewald;Marizeth Groenewald;Pat Caldwell

  • Phylogenetic and taxonomic evaluation of Chalara, Chalaropsis, and Thielaviopsis anamorphs associated with Ceratocystis

    Amy E. Paulin-Mahady;Thomas C. Harrington;Doug McNew

  • Phylogenetic analysis places the Phialophora-like anamorph genus Cadophora in the Helotiales

    Thomas C. Harrington;Douglas L. Mcnew

  • Three genera in the Ceratocystidaceae are the respective symbionts of three independent lineages of ambrosia beetles with large, complex mycangia.

    Chase G. Mayers;Douglas L. McNew;Thomas C. Harrington;Richard A. Roeper

  • Leptographium species, their distributions, hosts and insect vectors

    T. C. Harrington

  • Isolations from the redbay ambrosia beetle, Xyleborus glabratus, confirm that the laurel wilt pathogen, Raffaelea lauricola, originated in Asia.

    Thomas C. Harrington;Hye Young Yun;Sheng-Shan Lu;Hideaki Goto

  • Phylogeny and taxonomy of the North American clade of the Ceratocystis fimbriata complex.

    Jason A. Johnson;Thomas C. Harrington;C.J.B. Engelbrecht

  • The root rot fungus Armillaria mellea introduced into South Africa by early Dutch settlers.

    Martin P. A. Coetzee;Brenda D. Wingfield;Thomas C. Harrington;Joe Steimel

  • Phylogeny of the Ophiostoma stenoceras-Sporothrix schenckii complex.

    Z. Wilhelm de Beer;Thomas C. Harrington;Hester F. Vismer;Brenda D. Wingfield

  • New Ceratocystis species associated with rapid death of Metrosideros polymorpha in Hawai`i

    Irene Barnes;Arista Fourie;Michael J. Wingfield;T.C. Harrington

  • Mating type gene analysis in apparently asexual Cercospora species is suggestive of cryptic sex.

    Marizeth Groenewald;Marizeth Groenewald;Johannes Z. Groenewald;Thomas C. Harrington;Edwin C.A. Abeln

Frequent Co-Authors

Acelino C. Alfenas
Acelino C. Alfenas Universidade Federal de Viçosa
Michael J. Wingfield
Michael J. Wingfield University of Pretoria
Mark L. Gleason
Mark L. Gleason Iowa State University
Brenda D. Wingfield
Brenda D. Wingfield University of Pretoria
Pedro W. Crous
Pedro W. Crous Utrecht University
Johannes Z. Groenewald
Johannes Z. Groenewald Utrecht University
Marizeth Groenewald
Marizeth Groenewald Westerdijk Fungal Biodiversity Institute
Yitzhak Hadar
Yitzhak Hadar Hebrew University of Jerusalem
Abdullah M. Al-Sadi
Abdullah M. Al-Sadi Sultan Qaboos University
Robert A. Blanchette
Robert A. Blanchette University of Minnesota

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