World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
38
Citations
9075
World Ranking
6512
National Ranking
74

Terry A. Hedderson publication distribution in Ecology and Evolution in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Ecology and Evolution in 2026. The highlighted bar marks where Terry A. Hedderson sits on this spectrum.

37–41 publications: 2 scientists 42–46 publications: 9 scientists 47–51 publications: 10 scientists 52–56 publications: 31 scientists 57–61 publications: 56 scientists 62–66 publications: 91 scientists 67–71 publications: 92 scientists 72–76 publications: 127 scientists 77–81 publications: 173 scientists 82–86 publications: 236 scientists 87–91 publications: 227 scientists 92–96 publications: 240 scientists 97–101 publications: 333 scientists 102–106 publications: 280 scientists 107–111 publications: 300 scientists 112–116 publications: 285 scientists 117–121 publications: 305 scientists 122–126 publications: 287 scientists 127–131 publications: 278 scientists 132–136 publications: 289 scientists 137–141 publications: 273 scientists 142–146 publications: 262 scientists 147–151 publications: 246 scientists 152–156 publications: 235 scientists 157–161 publications: 205 scientists 162–166 publications: 199 scientists 167–171 publications: 174 scientists 172–176 publications: 164 scientists 177–181 publications: 173 scientists 182–186 publications: 189 scientists 187–191 publications: 170 scientists 192–196 publications: 139 scientists 197–201 publications: 128 scientists 202–206 publications: 117 scientists 207–211 publications: 115 scientists 212–216 publications: 107 scientists 217–221 publications: 124 scientists 222–226 publications: 81 scientists 227–231 publications: 82 scientists 232–236 publications: 85 scientists 237–241 publications: 75 scientists 242–246 publications: 66 scientists 247–251 publications: 81 scientists 252–256 publications: 69 scientists 257–261 publications: 70 scientists 262–266 publications: 55 scientists 267–271 publications: 64 scientists 272–276 publications: 49 scientists 277–281 publications: 48 scientists 282–286 publications: 44 scientists 287–291 publications: 45 scientists 292–296 publications: 36 scientists 297–301 publications: 39 scientists 302–306 publications: 38 scientists 307–311 publications: 30 scientists 312–316 publications: 34 scientists 317–321 publications: 25 scientists 322–326 publications: 22 scientists 327–331 publications: 28 scientists 332–336 publications: 30 scientists 337–341 publications: 22 scientists 342–346 publications: 30 scientists 347–351 publications: 26 scientists 352–356 publications: 22 scientists 357–361 publications: 29 scientists 362–366 publications: 21 scientists 367–371 publications: 12 scientists 372–376 publications: 18 scientists 377–381 publications: 17 scientists 382–386 publications: 13 scientists 387–391 publications: 21 scientists 392–396 publications: 13 scientists 397–401 publications: 10 scientists 402–406 publications: 15 scientists 407–411 publications: 8 scientists 412–416 publications: 9 scientists 417–421 publications: 8 scientists 422–426 publications: 4 scientists 427–431 publications: 10 scientists 432–436 publications: 10 scientists 437–441 publications: 5 scientists 442–446 publications: 4 scientists 447–451 publications: 10 scientists 452–456 publications: 2 scientists 457–461 publications: 4 scientists 462–466 publications: 7 scientists 467–471 publications: 7 scientists 472–476 publications: 6 scientists 477–481 publications: 6 scientists 482–486 publications: 3 scientists 487–491 publications: 3 scientists 492–496 publications: 4 scientists 497–501 publications: 4 scientists 502–506 publications: 8 scientists 507–511 publications: 5 scientists 512–516 publications: 4 scientists 517–521 publications: 5 scientists 522–526 publications: 4 scientists 527–530 publications: 5 scientists 531+ publications: 100 scientists
37 publications 531+

This scientist: 127 publications — 37th percentile

37% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 531 publications or more.

Terry A. Hedderson D-index placement in Ecology and Evolution in 2026

The chart shows the D-index (discipline H-index) distribution of Ecology and Evolution scientists ranked by Research.com in 2026. The highlighted bar marks where Terry A. Hedderson sits on this spectrum.

30 D-Index: 95 scientists 31 D-Index: 123 scientists 32 D-Index: 191 scientists 33 D-Index: 245 scientists 34 D-Index: 252 scientists 35 D-Index: 244 scientists 36 D-Index: 249 scientists 37 D-Index: 244 scientists 38 D-Index: 254 scientists 39 D-Index: 254 scientists 40 D-Index: 280 scientists 41 D-Index: 274 scientists 42 D-Index: 266 scientists 43 D-Index: 233 scientists 44 D-Index: 248 scientists 45 D-Index: 208 scientists 46 D-Index: 201 scientists 47 D-Index: 213 scientists 48 D-Index: 207 scientists 49 D-Index: 172 scientists 50 D-Index: 209 scientists 51 D-Index: 199 scientists 52 D-Index: 153 scientists 53 D-Index: 169 scientists 54 D-Index: 163 scientists 55 D-Index: 148 scientists 56 D-Index: 120 scientists 57 D-Index: 146 scientists 58 D-Index: 137 scientists 59 D-Index: 140 scientists 60 D-Index: 104 scientists 61 D-Index: 119 scientists 62 D-Index: 118 scientists 63 D-Index: 99 scientists 64 D-Index: 77 scientists 65 D-Index: 100 scientists 66 D-Index: 86 scientists 67 D-Index: 83 scientists 68 D-Index: 75 scientists 69 D-Index: 94 scientists 70 D-Index: 57 scientists 71 D-Index: 68 scientists 72 D-Index: 59 scientists 73 D-Index: 63 scientists 74 D-Index: 66 scientists 75 D-Index: 60 scientists 76 D-Index: 42 scientists 77 D-Index: 49 scientists 78 D-Index: 39 scientists 79 D-Index: 37 scientists 80 D-Index: 43 scientists 81 D-Index: 41 scientists 82 D-Index: 45 scientists 83 D-Index: 34 scientists 84 D-Index: 40 scientists 85 D-Index: 35 scientists 86 D-Index: 55 scientists 87 D-Index: 24 scientists 88 D-Index: 24 scientists 89 D-Index: 30 scientists 90 D-Index: 23 scientists 91 D-Index: 25 scientists 92 D-Index: 27 scientists 93 D-Index: 27 scientists 94 D-Index: 13 scientists 95 D-Index: 23 scientists 96 D-Index: 12 scientists 97 D-Index: 14 scientists 98 D-Index: 19 scientists 99 D-Index: 16 scientists 100 D-Index: 14 scientists 101 D-Index: 5 scientists 102 D-Index: 21 scientists 103 D-Index: 16 scientists 104 D-Index: 10 scientists 105 D-Index: 7 scientists 106 D-Index: 7 scientists 107 D-Index: 7 scientists 108 D-Index: 6 scientists 109 D-Index: 9 scientists 110 D-Index: 11 scientists 111 D-Index: 12 scientists 112 D-Index: 9 scientists 113 D-Index: 7 scientists 114 D-Index: 3 scientists 115 D-Index: 8 scientists 116 D-Index: 5 scientists 117 D-Index: 11 scientists 118 D-Index: 4 scientists 119 D-Index: 2 scientists 120 D-Index: 5 scientists 121+ D-Index: 100 scientists
30 D-Index 121+

This scientist: 38 D-Index — 23rd percentile

23% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 121 D-Index or more.

Overview

Terry A. Hedderson is affiliated with the University of Cape Town in South Africa. Their research primarily focuses on Agricultural and Biological Sciences, contributing to various subfields including Ecology, Evolution, Behavior and Systematics, Plant Science, Ecology, Oceanography, and Genetics.

Their main topics of work cover:

  • Lichen and fungal ecology
  • Bryophyte Studies and Records
  • Botany and Plant Ecology Studies
  • Peatlands and Wetlands Ecology
  • Fern and Epiphyte Biology
  • Mycorrhizal Fungi and Plant Interactions
  • Botany, Ecology, and Taxonomy Studies

Frequent co-authors of Terry A. Hedderson include:

  • Nicholas Wilding
  • Claudine Ah-Peng
  • Lovanomenjanahary Marline
  • C. Ah-Peng
  • Des A. Callaghan

The scientist publishes regularly in several academic venues, with the most frequent being the Journal of Bryology, where they have contributed seven publications. Other notable venues include Plant Ecology and Evolution, Biotropica, G3 Genes Genomes Genetics, and American Journal of Botany.

Recent papers by Terry A. Hedderson demonstrate a focus on bryophyte and lichen research as well as plant ecology. These include:

  • New national and regional bryophyte records, 65 (2021) in Journal of Bryology
  • Epiphytic bryophyte diversity and range distributions along an elevational gradient in Marojejy, Madagascar (2020) in Biotropica
  • Crossroads of assembling a moss genome: navigating contaminants and horizontal gene transfer in the moss Physcomitrellopsis africana (2024) in G3 Genes Genomes Genetics
  • Eco-phylogenetic study of Trebouxia in southern Africa reveals interbiome connectivity and potential endemism in a green algal lichen photobiont (2024) in American Journal of Botany
  • Monophyly and transoceanic dispersal in the widespread floating club-rush clade, Isolepis subgenus Fluitantes (Cyperaceae) (2022) in Plant Ecology and Evolution

Best Publications

  • A DNA barcode for land plants.

    Peter M. Hollingsworth;Laura L. Forrest;John L. Spouge

  • Preserving the evolutionary potential of floras in biodiversity hotspots

    Félix Forest;Félix Forest;Richard Grenyer;Mathieu Rouget;T Jonathan Davies;T Jonathan Davies

  • A proposal for a standardised protocol to barcode all land plants

    Mark W. Chase;Robyn S. Cowan;Peter M. Hollingsworth;Cassio van den Berg

  • Unmatched tempo of evolution in Southern African semi-desert ice plants

    C. Klak;G. Reeves;T. Hedderson

  • New national and regional bryophyte records, 41

    L. T. Ellis;M. Aleffi;R. Tacchi;A. Alegro

  • Phylogenetics, biogeography and classification of, and character evolution in, gamebirds (Aves: Galliformes): effects of character exclusion, data partitioning and missing data

    Timothy M. Crowe;Timothy M. Crowe;Rauri C. K. Bowie;Paulette Bloomer;Tshifhiwa G. Mandiwana

  • Evolution of the major moss lineages phylogenetic analyses based on multiple gene sequences and morphology

    Angela E. Newton;Cymon J. Cox;Jeffrey G. Duckett;John A. Wheeler

  • Phylogenetics of Dioscoreales based on combined analyses of morphological and molecular data

    Lizabeth R. Caddick;Lizabeth R. Caddick;Paula J. Rudall;Paul Wilkin;Terry A. J. Hedderson

  • The Bryophyta (Mosses): Systematic and Evolutionary Inferences from an rps4 Gene (cpDNA) Phylogeny

    Bernard Goffinet;Cymon J. Cox;A.Jonathan Shaw;Terry A.J. Hedderson

  • Phylogenetic Relationships Among the Diplolepideous-alternate Mosses (Bryidae) Inferred from Nuclear and Chloroplast DNA Sequences

    Cymon J. Cox;Bernard Goffinet;Angela E. Newton;A. Jonathan Shaw

  • PHYLOGENETIC RELATIONSHIPS OF BRYOPHYTES INFERRED FROM NUCLEAR-ENCODED RRNA GENE SEQUENCES

    Terry A. Hedderson;Russell L. Chapman;W. L. Rootes

  • Molecular Phylogenetics of Subfamily Calamoideae (Palmae) Based on nrDNA ITS and cpDNA rps16 Intron Sequence Data

    William J. Baker;Terry A. Hedderson;John Dransfield

  • Molecular insights into the phylogeny of the leafy liverwort family Lophoziaceae Cavers

    Ryan Thomas De Roo;Terry A. Hedderson;Lars Söderström

  • Phylogenetic relationships among the ciliate arthrodontous mosses: Evidence from chloroplast and nuclear DNA sequences

    Cymon J. Cox;Terry A. J. Hedderson

  • A phylogenetic hypothesis for the Aizoaceae (Caryophyllales) based on four plastid DNA regions

    Cornelia Klak;Angeline Khunou;Gail Reeves;Terry Hedderson

  • A phylogenetic study of the palm family (Palmae) based on chloroplast DNA sequences from the trnL-trnF region

    William J. Baker;Conny B. Asmussen;Sasha C. Barrow;John Dransfield

  • New national and regional bryophyte records, 32

    L T Ellis;A Alegro;P Bansal;V Nath

  • Bryophyte diversity and range size distribution along two altitudinal gradients: Continent vs. island

    Claudine Ah-Peng;Claudine Ah-Peng;Nicholas Wilding;Juergen Kluge;Blandine Descamps-Julien

  • Molecular phylogenetics of Calamus (Palmae) and related rattan genera based on 5S nrDNA spacer sequence data.

    William J Baker;Terry A Hedderson;John Dransfield

  • Phylogeny, character evolution, and a new classification of the calamoid palms.

    William J. Baker;John Dransfield;Terry A. Hedderson

  • On phylogeny of the Polytrichales

    Jaakko Hyvönen;Terry A. Hedderson;Gary L. Smith Merrill;J. George Gibbings

Frequent Co-Authors

Dominique Strasberg
Dominique Strasberg University of La Réunion
Cymon J. Cox
Cymon J. Cox University of Algarve
Bernard Goffinet
Bernard Goffinet University of Connecticut
Mark W. Chase
Mark W. Chase Royal Botanic Gardens
Richard M. Cowling
Richard M. Cowling Nelson Mandela University
Ryszard Ochyra
Ryszard Ochyra Polish Academy of Sciences
John Dransfield
John Dransfield Royal Botanic Gardens
William J. Baker
William J. Baker Royal Botanic Gardens
Kenneth M. Cameron
Kenneth M. Cameron University of Wisconsin–Madison
Michael Wilkinson
Michael Wilkinson Aberystwyth University

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