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Spencer C. H. Barrett

Spencer C. H. Barrett

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Ecology and Evolution
Canada
2026

D-Index & Metrics

Ecology and Evolution

D-Index
112
Citations
44507
World Ranking
152
National Ranking
10

Spencer C. H. Barrett 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 Spencer C. H. Barrett 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: 370 publications — 96th percentile

96% of scientists in this discipline score the same or lower.

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

Spencer C. H. Barrett 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 Spencer C. H. Barrett 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: 112 D-Index — 98th percentile

98% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2026 - Research.com Ecology and Evolution in Canada Leader Award
  • 2025 - Research.com Ecology and Evolution in Canada Leader Award
  • 2023 - Research.com Ecology and Evolution in Canada Leader Award
  • 2022 - Research.com Ecology and Evolution in Canada Leader Award
  • 2020 - Member of the National Academy of Sciences
  • 2009 - Fellow of the American Academy of Arts and Sciences
  • 2004 - Fellow of the Royal Society, United Kingdom
  • 1998 - Fellow of the Royal Society of Canada Academy of Science

Overview

Spencer C. H. Barrett is affiliated with the University of Toronto in Canada and has contributed extensively to the fields of Agricultural and Biological Sciences as well as Biochemistry, Genetics and Molecular Biology. Their research notably spans Plant Science, Ecology, Evolution, Behavior and Systematics, Molecular Biology, Genetics, and Nature and Landscape Conservation.

Their main topics of work encompass Plant and Animal Studies, Plant Reproductive Biology, Plant Parasitism and Resistance, Ecology and Vegetation Dynamics Studies, Chromosomal and Genetic Variations, Genetic Diversity and Population Structure, and Plant Molecular Biology Research.

Recent publications include:

  • "Widespread Recombination Suppression Facilitates Plant Sex Chromosome Evolution," 2020, Molecular Biology and Evolution
  • "Evolutionary Genomics of Plant Gametophytic Selection," 2020, Plant Communications
  • "Global analysis of floral longevity reveals latitudinal gradients and biotic and abiotic correlates," 2022, New Phytologist
  • "Plant size, latitude, and phylogeny explain within-population variability in herbivory," 2023, Science
  • "The Genomic Selfing Syndrome Accompanies the Evolutionary Breakdown of Heterostyly," 2020, Molecular Biology and Evolution

Frequent co-authors associated with this researcher include:

  • Stephen Wright
  • Joanna L. Rifkin
  • Baharul I. Choudhury
  • Dianxiang Zhang
  • Yunchen Gong

Notable publication venues where this researcher's work frequently appears are:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • New Phytologist
  • Proceedings of the Royal Society B Biological Sciences
  • Molecular Biology and Evolution
  • Journal of Systematics and Evolution

Recognition for this researcher includes multiple distinctions: they became a Fellow of the Royal Society of Canada in 1998, a Fellow of the Royal Society, United Kingdom in 2004, a Fellow of the American Academy of Arts and Sciences in 2009, and were elected a Member of the National Academy of Sciences in 2020.

Best Publications

  • A DNA barcode for land plants.

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

  • Genetic and evolutionary consequences of small population size in plants: implications for conservation.

    S. C. H. Barrett;J. R. Kohn;D. A. Falk;K. E. Holsinger

  • The evolution of plant sexual diversity.

    Spencer C. H. Barrett

  • Multiple Multilocus DNA Barcodes from the Plastid Genome Discriminate Plant Species Equally Well

    Aron J. Fazekas;Kevin S. Burgess;Prasad R. Kesanakurti;Sean W. Graham

  • A comparative analysis of pollen limitation in flowering plants

    Brendon M. H. Larson;Spencer C. H. Barrett

  • Mating cost of large floral displays in hermaphrodite plants

    Lawrence D. Harder;Spencer C. H. Barrett

  • Mating strategies in flowering plants: the outcrossing-selfing paradigm and beyond.

    Spencer C. H. Barrett

  • Rapid Adaptation to Climate Facilitates Range Expansion of an Invasive Plant

    Robert I. Colautti;Spencer C. H. Barrett

  • PERSPECTIVE: PURGING THE GENETIC LOAD: A REVIEW OF THE EXPERIMENTAL EVIDENCE

    Peter Crnokrak;Spencer C. H. Barrett

  • Effects of a change in the level of inbreeding on the genetic load

    S. C. H. Barrett;D. Charlesworth

  • Crop mimicry in weeds

    Spencer C. H. Barrett

  • Evolutionary processes in aquatic plant populations

    Spencer C.H. Barrett;Christopher G. Eckert;Brian C. Husband

  • Wind of change: new insights on the ecology and evolution of pollination and mating in wind-pollinated plants

    Jannice Friedman;Spencer C. H. Barrett

  • Sexual dimorphism in flowering plants

    Spencer C.H. Barrett;Josh Hough

  • Pollen Dispersal and Mating Patterns in Animal-Pollinated Plants

    Lawrence D. Harder;Spencer C. H. Barrett

  • Ecology and evolution of plant mating.

    Spencer C.H. Barrett;Lawrence D. Harder

  • Sexual interference of the floral kind

    S C H Barrett

  • The comparative biology of pollination and mating in flowering plants

    Spencer Charles Hilton Barrett;Lawrence D. Harder;Anne C. Worley

  • The Reproductive Biology and Genetics of Island Plants

    Spencer Charles Hilton Barrett

  • 14 – Variation and Evolution of Mating Systems in Seed Plants

    Spencer C.H. Barrett;Christopher G. Eckert

  • A METAPOPULATION PERSPECTIVE IN PLANT POPULATION BIOLOGY

    Brian C. Husband;Spencer C. H. Barrett

  • Ecology and Evolution of Flowers

    Lawrence D Harder;Spencer Charles Hilton Barrett

Frequent Co-Authors

Brian C. Husband
Brian C. Husband University of Guelph
Stephen I. Wright
Stephen I. Wright University of Toronto
Christopher G. Eckert
Christopher G. Eckert Queen's University
Lawrence D. Harder
Lawrence D. Harder University of Calgary
Sean W. Graham
Sean W. Graham University of British Columbia
De-Zhu Li
De-Zhu Li Chinese Academy of Sciences
Mitchell B. Cruzan
Mitchell B. Cruzan Portland State University
John D. Thompson
John D. Thompson Centre national de la recherche scientifique, CNRS
Mehrdad Hajibabaei
Mehrdad Hajibabaei University of Guelph
Martin Morgan
Martin Morgan Roswell Park Cancer Institute

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Related Online Degrees & Career Pathways

Studying Ecology and Evolution opens doors to a wide range of online degrees and career options in life sciences and related fields. Many students with a background in ecology seek complementary areas of expertise through flexible online programs. For example, some pursue an online masters in psychology to better understand animal and human behavior, which can enhance research in behavioral ecology or conservation.

Others are interested in roles supporting mental well-being or environmental health advocacy and may consider online clinical mental health counseling programs. These qualify graduates for careers focused on community mental health—a growing area in both urban and natural settings.

Those looking to bridge biology and criminal justice may ask, what can i do with a masters in forensic psychology? This pathway allows ecologists to contribute to environmental crime investigations or wildlife protection cases.

Additionally, programs like an online masters in child psychology provide skills to work at the intersection of environmental education and youth mental health, supporting the next generation of conservationists.

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