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Mark P. Simmons

D-Index & Metrics

Biology and Biochemistry

D-Index
50
Citations
12042
World Ranking
17490
National Ranking
7182

Mark P. Simmons 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 Mark P. Simmons 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: 124 publications — 14th percentile

14% of scientists in this discipline score the same or lower.

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

Mark P. Simmons 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 Mark P. Simmons 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: 50 D-Index — 11th percentile

11% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2009 - Fellow of John Simon Guggenheim Memorial Foundation

Overview

Mark P. Simmons is affiliated with Colorado State University in the United States. They have a research focus broadly encompassing Biochemistry, Genetics, and Molecular Biology, with additional work in Agricultural and Biological Sciences and Medicine. Their work intersects several specialized subfields including Molecular Biology, Ecology, Evolution, Behavior and Systematics, Genetics, Paleontology, and Infectious Diseases.

The main topics of their research include Genomics and Phylogenetic Studies, Genetic diversity and population structure, Plant Diversity and Evolution, Plant and Fungal Species Descriptions, Evolution and Paleontology Studies, Plant and animal studies, and research related to SARS-CoV-2 and COVID-19.

Selected recent publications by Mark P. Simmons include:

  • "Collapsing dubiously resolved gene-tree branches in phylogenomic coalescent analyses", 2021, Molecular Phylogenetics and Evolution
  • "Gene-tree misrooting drives conflicts in phylogenomic coalescent analyses of palaeognath birds", 2021, Molecular Phylogenetics and Evolution

Other notable papers within their network of research include:

  • "New Guinea has the world's richest island flora", 2020, Nature
  • "Treatment for Severe Coronavirus Disease 2019 With the Seraph-100 Microbind Affinity Blood Filter", 2020, Critical Care Explorations
  • "Mitochondrial fatty acid β-oxidation is required for storage-lipid catabolism in a marine diatom", 2020, New Phytologist

They have published frequently in the following venues:

  • Molecular Phylogenetics and Evolution
  • Cladistics
  • Nature
  • Critical Care Explorations
  • New Phytologist

Simmons collaborates notably with several researchers, including:

  • John Gatesy
  • Mark S. Springer
  • William J. Baker
  • Júlio Antônio Lombardi
  • Rodrigo Cámara-Leret

The scientist has been recognized as a Fellow of the John Simon Guggenheim Memorial Foundation since 2009.

Best Publications

  • Gaps as Characters in Sequence-Based Phylogenetic Analyses

    Mark P. Simmons;Helga Ochoterena

  • Functional trait niches of North American lotic insects: traits-based ecological applications in light of phylogenetic relationships

    N. LeRoy Poff;Julian D. Olden;Nicole K. M. Vieira;Debra S. Finn

  • Phylogeny and subfamilial classification of the grasses (Poaceae)

    N. P. Barker;L. G. Clark;J. I. Davis

  • How Meaningful Are Bayesian Support Values

    Mark P. Simmons;Kurt M. Pickett;Masaki Miya

  • Independence of alignment and tree search

    Mark P. Simmons

  • Incorporation, relative homoplasy, and effect of gap characters in sequence-based phylogenetic analyses.

    Mark P. Simmons;Helga Ochoterena;Timothy G. Carr

  • A Phylogeny of the Monocots, as Inferred from rbcL and atpA Sequence Variation, and a Comparison of Methods for Calculating Jackknife and Bootstrap Values

    Jerrold I. Davis;Dennis W. Stevenson;Gitte Petersen;Ole Seberg

  • Whole-Genome Comparison of Leucine-Rich Repeat Extensins in Arabidopsis and Rice. A Conserved Family of Cell Wall Proteins Form a Vegetative and a Reproductive Clade

    Nicolas Baumberger;Brigitte Doesseger;Romain Guyot;Anouck Diet

  • Data decisiveness, data quality, and incongruence in phylogenetic analysis: an example from the monocotyledons using mitochondrial atp A sequences.

    Jerrold I. Davis;Mark P. Simmons;Dennis W. Stevenson;Jonathan F. Wendel

  • New Guinea has the world’s richest island flora

    Rodrigo Cámara-Leret;Rodrigo Cámara-Leret;David G. Frodin;Frits Adema;Christiane Anderson

  • Phylogeny of the Cucurbitales based on DNA sequences of nine loci from three genomes: Implications for morphological and sexual system evolution

    Li-Bing Zhang;Mark P. Simmons;Alexander Kocyan;Susanne S. Renner

  • Comprehensive comparative analysis of kinesins in photosynthetic eukaryotes

    Dale N Richardson;Mark P Simmons;Anireddy S N Reddy

  • Phylogeny of the Celastraceae Inferred from 26S Nuclear Ribosomal DNA, Phytochrome B, rbcL, atpB, and Morphology

    Mark P Simmons;Vincent Savolainen;Curtis C Clevinger;Robert H Archer

  • The relative performance of indel-coding methods in simulations.

    Mark P. Simmons;Kai Müller;Andrew P. Norton

  • Phylogeny and Delimitation of the Celastrales Inferred from Nuclear and Plastid Genes

    Li-Bing Zhang;Li-Bing Zhang;Mark P. Simmons

  • Misleading results of likelihood-based phylogenetic analyses in the presence of missing data

    Mark P. Simmons

  • Phylogeny of the Celastraceae inferred from phytochrome B gene sequence and morphology.

    Mark P. Simmons;Curtis C. Clevinger;Vincent Savolainen;Robert H. Archer

  • Radical instability and spurious branch support by likelihood when applied to matrices with non-random distributions of missing data.

    Mark P. Simmons

  • Cryptic species diversity reveals biogeographic support for the 'mountain passes are higher in the tropics' hypothesis.

    B. A. Gill;B. C. Kondratieff;K. L. Casner;A. C. Encalada

  • Molecular analyses of the Chinese herb Leigongteng (Tripterygium wilfordii Hook.f.).

    Sue Ka-Yee Law;Mark P. Simmons;Natascha Techen;Ikhlas A. Khan

Frequent Co-Authors

John Gatesy
John Gatesy American Museum of Natural History
Jerrold I. Davis
Jerrold I. Davis Cornell University
Daniel B. Sloan
Daniel B. Sloan Colorado State University
N. LeRoy Poff
N. LeRoy Poff Colorado State University
Mark S. Springer
Mark S. Springer University of California, Riverside
Dennis W. Stevenson
Dennis W. Stevenson New York Botanical Garden
Pang-Chui Shaw
Pang-Chui Shaw Chinese University of Hong Kong
Chelsea D. Specht
Chelsea D. Specht Cornell University
Sven Buerki
Sven Buerki Boise State University
Elizabeth A. H. Pilon-Smits
Elizabeth A. H. Pilon-Smits Colorado State University

External Links

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Best Scientists Citing Mark P. Simmons

Jun Wen

Jun Wen

National Museum of Natural History

Publications: 54

Thomas Borsch

Thomas Borsch

Freie Universität Berlin

Publications: 53

Mark W. Chase

Mark W. Chase

Royal Botanic Gardens

Publications: 49

Erik Smets

Erik Smets

Naturalis Biodiversity Center

Publications: 49

Dietmar Quandt

Dietmar Quandt

University of Bonn

Publications: 47

Elizabeth A. Kellogg

Elizabeth A. Kellogg

Donald Danforth Plant Science Center

Publications: 41

De-Zhu Li

De-Zhu Li

Chinese Academy of Sciences

Publications: 40

N. LeRoy Poff

N. LeRoy Poff

Colorado State University

Publications: 38

Douglas E. Soltis

Douglas E. Soltis

University of Florida

Publications: 37

Paula J. Rudall

Paula J. Rudall

Royal Botanic Gardens

Publications: 34

Pamela S. Soltis

Pamela S. Soltis

University of Florida

Publications: 34

Richard G. Olmstead

Richard G. Olmstead

University of Washington

Publications: 31

Vincent Savolainen

Vincent Savolainen

Imperial College London

Publications: 30

Bengt Oxelman

Bengt Oxelman

University of Gothenburg

Publications: 29

Lynn G. Clark

Lynn G. Clark

Iowa State University

Publications: 27

Susanne S. Renner

Susanne S. Renner

Washington University in St. Louis

Publications: 26

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