World's Best Scientists 2026 revealed!
Alex Widmer

Alex Widmer

D-Index & Metrics

Ecology and Evolution

D-Index
65
Citations
13162
World Ranking
1817
National Ranking
51

Alex Widmer 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 Alex Widmer 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: 203 publications — 75th percentile

75% of scientists in this discipline score the same or lower.

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

Alex Widmer 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 Alex Widmer 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: 65 D-Index — 79th percentile

79% of scientists in this discipline score the same or lower.

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

Overview

Alex Widmer is affiliated with ETH Zurich in Switzerland and has contributed extensively to fields including Agricultural and Biological Sciences as well as Biochemistry, Genetics and Molecular Biology. Their research spans multiple subfields such as Ecology, Evolution, Behavior and Systematics, Genetics, Plant Science, Molecular Biology, and Ecological Modeling.

Their work often focuses on topics related to Plant and animal studies, Genetic diversity and population structure, Species Distribution and Climate Change, Evolution and Genetic Dynamics, Ecology and Vegetation Dynamics Studies, Genomics and Phylogenetic Studies, and Plant Diversity and Evolution.

Widmer has published in various scientific venues, with a strong presence in bioRxiv (Cold Spring Harbor Laboratory) and contributions to Conservation Genetics, Molecular Ecology Resources, Proceedings of the National Academy of Sciences, and Molecular Biology and Evolution.

Frequent collaborators include Simone Fior, Martin C. Fischer, Hirzi Luqman, Niklaus Zemp, and Rolf Holderegger, reflecting a network of research partnerships.

Recent notable publications include:

  • "Capacity of soil bacteria to reach the phyllosphere and convergence of floral communities despite soil microbiota variation," 2021, Proceedings of the National Academy of Sciences
  • "Dioecy Is Associated with High Genetic Diversity and Adaptation Rates in the Plant Genus Silene," 2020, Molecular Biology and Evolution
  • "Genomic signatures of convergent adaptation to Alpine environments in three Brassicaceae species," 2020, Molecular Ecology
  • "Climate-induced range shifts drive adaptive response via spatio-temporal sieving of alleles," 2023, Nature Communications
  • "Developing a monitoring program of genetic diversity: what do stakeholders say?," 2021, Conservation Genetics

In addition to journal articles, Widmer has contributed to academic books, including the publication "Systematische Botanik" in 2022 through vdf Hochschulverlag AG an der ETH Zürich eBooks.

Best Publications

  • Genomics and the origin of species

    Ole Seehausen;Roger K. Butlin;Irene Keller;Catherine Wagner

  • Orchid diversity: an evolutionary consequence of deception?

    Salvatore Cozzolino;Alex Widmer

  • The genetic architecture necessary for transgressive segregation is common in both natural and domesticated populations

    Loren H Rieseberg;Alex Widmer;A Michele Arntz;John M Burke

  • Evolution of reproductive isolation in plants.

    A Widmer;C Lexer;S Cozzolino

  • Estimating genomic diversity and population differentiation – an empirical comparison of microsatellite and SNP variation in Arabidopsis halleri

    Martin Claude Fischer;Christian Rellstab;Marianne Leuzinger;Marie Roumet

  • Glacial refugia: sanctuaries for allelic richness, but not for gene diversity

    Alex Widmer;Christian Lexer

  • Directional selection is the primary cause of phenotypic diversification.

    Loren H. Rieseberg;Alex Widmer;A. Michele Arntz;John M. Burke

  • PATTERNS OF REPRODUCTIVE ISOLATION IN MEDITERRANEAN DECEPTIVE ORCHIDS

    Giovanni Scopece;Aldo Musacchio;Alex Widmer;Salvatore Cozzolino

  • Plant centromeric retrotransposons: a structural and cytogenetic perspective

    Pavel Neumann;Alice Navrátilová;Andrea Koblížková;Eduard Kejnovský

  • Silene as a model system in ecology and evolution.

    G. Bernasconi;J. Antonovics;A. Biere;Deborah Charlesworth

  • Trait differentiation and adaptation of plants along elevation gradients

    Aud H. Halbritter;Aud H. Halbritter;Simone Fior;Irene Keller;Regula Billeter

  • Sequencing of the genus Arabidopsis identifies a complex history of nonbifurcating speciation and abundant trans-specific polymorphism

    Polina Yu Novikova;Nora Hohmann;Viktoria Nizhynska;Takashi Tsuchimatsu

  • Genome-wide Comparative Analysis of the GRAS Gene Family in Populus, Arabidopsis and Rice

    Xuanyu Liu;Alex Widmer

  • Permanent Genetic Resources added to Molecular Ecology Resources Database 1 October 2009–30 November 2009

    Junghwa An;Arnaud Bechet;Åsa Berggren;Sarah K. Brown

  • Rapid De Novo Evolution of X Chromosome Dosage Compensation in Silene latifolia, a Plant with Young Sex Chromosomes

    Aline Muyle;Niklaus Zemp;Clothilde Deschamps;Sylvain Mousset

  • The genic view of plant speciation: recent progress and emerging questions

    Christian Lexer;Alex Widmer

  • Population genomic footprints of selection and associations with climate in natural populations of Arabidopsis halleri from the Alps

    Martin C. Fischer;Christian Rellstab;Andrew Tedder;Stefan Zoller

  • Genetic structure of hybrid zones between Silene latifolia and Silene dioica (Caryophyllaceae): evidence for introgressive hybridization

    A. M. Minder;C. Rothenbuehler;A. Widmer

  • A road map for molecular ecology.

    Rose L. Andrew;Louis Bernatchez;Aurélie Bonin;C. Alex. Buerkle

  • Floral mimicry: a fascinating yet poorly understood phenomenon

    Bitty A Roy;Alex Widmer

  • Floral odour and reproductive isolation in two species of Silene.

    M. O. Waelti;J. K. Muhlemann;A. Widmer;F. P. Schiestl

  • Cophylogeny of the anther smut fungi and their caryophyllaceous hosts: prevalence of host shifts and importance of delimiting parasite species for inferring cospeciation.

    Guislaine Refrégier;Mickaël Le Gac;Florian Jabbour;Alex Widmer

Frequent Co-Authors

Salvatore Cozzolino
Salvatore Cozzolino University of Naples Federico II
Gabriel A. B. Marais
Gabriel A. B. Marais University of Porto
Felix Gugerli
Felix Gugerli Swiss Federal Institute for Forest, Snow and Landscape Research
Boris Vyskot
Boris Vyskot Czech Academy of Sciences
Christian Lexer
Christian Lexer University of Vienna
Kentaro Shimizu
Kentaro Shimizu University of Zurich
Florian P. Schiestl
Florian P. Schiestl University of Zurich
Jacqui A. Shykoff
Jacqui A. Shykoff University of Paris-Saclay
Deborah Charlesworth
Deborah Charlesworth University of Edinburgh

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