World's Best Scientists 2026 revealed!
Gar W. Rothwell

Gar W. Rothwell

D-Index & Metrics

Plant Science and Agronomy

D-Index
54
Citations
9272
World Ranking
1730
National Ranking
460

Gar W. Rothwell 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 Gar W. Rothwell 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: 272 publications — 90th percentile

90% of scientists in this discipline score the same or lower.

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

Gar W. Rothwell 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 Gar W. Rothwell 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: 54 D-Index — 75th percentile

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

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

Overview

Gar W. Rothwell is affiliated with Ohio University in the United States and has contributed extensively to the fields of Agricultural and Biological Sciences, as well as Biochemistry, Genetics and Molecular Biology. Their research primarily focuses on Ecology, Evolution, Behavior and Systematics, Molecular Biology, Plant Science, Paleontology, and Food Science.

Rothwell's body of work covers significant topics in Plant Diversity and Evolution, Plant and Fungal Species Descriptions, Fern and Epiphyte Biology, Paleontology and Stratigraphy of Fossils, Plant Taxonomy and Phylogenetics, Lichen and fungal ecology, and Botany and Plant Ecology Studies.

Frequent coauthors collaborating with Rothwell include:

  • Ruth A. Stockey
  • Alexandru M. F. Tomescu
  • Selena Y. Smith
  • A Scharfstein
  • Brian A. Atkinson

Prominent publication venues where Rothwell's research has appeared are:

  • International Journal of Plant Sciences
  • MorphoBank datasets
  • American Journal of Botany
  • Cretaceous Research
  • Review of Palaeobotany and Palynology

Selected recent papers authored or coauthored by Rothwell include:

  • Evolution and Phylogeny of Altingiaceae: Anatomically Preserved Infructescences from Late Cretaceous Deposits of Vancouver Island, British Columbia, Canada (2020) published in International Journal of Plant Sciences
  • Stigmaria: A Review of the Anatomy, Development, and Functional Morphology of the Rootstock of the Arboreous Lycopsids (2022) published in International Journal of Plant Sciences
  • A novel cupulate seed plant, Xadzigacalix quatsinoensis gen. et sp. nov., provides new insight into the Mesozoic radiation of gymnosperms (2022) published in American Journal of Botany
  • Diversification of crown group Araucaria: the role of Araucaria famii sp. nov. in the Late Cretaceous (Campanian) radiation of Araucariaceae in the Northern Hemisphere (2020) published in American Journal of Botany
  • Fossils and plant evolution: structural fingerprints and modularity in the evo-devo paradigm (2022) published in EvoDevo

Best Publications

  • Lignophyte phylogeny and the evolution of spermatophytes : a numerical cladistic analysis

    Gar W. Rothwell;Rudolph Serbet

  • Fossils and ferns in the resolution of land plant phylogeny

    Gar W. Rothwell

  • Fossil ectomycorrhizae from the Middle Eocene

    Ben A. Lepage;Randolph S. Currah;Ruth A. Stockey;Gar W. Rothwell

  • Stelar morphology and the primary vascular system of seed plants

    Charles B. Beck;Rudolf Schmid;Gar W. Rothwell

  • Elkinsia gen. nov., a Late Devonian Gymnosperm with Cupulate Ovules

    G. W. Rothwell;S. E. Scheckler;W. H. Gillespie

  • New interpretations of the earliest conifers

    Gar W. Rothwell

  • How Does the Inclusion of Fossil Data Change Our Conclusions about the Phylogenetic History of Euphyllophytes

    Gar W. Rothwell;Kevin C. Nixon

  • The fossil monocot Limnobiophyllum scutatum: Resolving the Phylogeny of Lemnaceae

    Ruth A. Stockey;Georgia L. Hoffman;Gar W. Rothwell

  • The callistophytales (Pteridospermopsida): Reproductively sophisticated paleozoic gymnosperms

    Gar W. Rothwell

  • Is the anthophyte hypothesis alive and well? New evidence from the reproductive structures of Bennettitales.

    Gar W. Rothwell;William L. Crepet;Ruth A. Stockey

  • Chaloneria Gen. Nov.; Heterosporous Lycophytes from the Pennsylvanian of North America

    Kathleen B. Pigg;Gar W. Rothwell

  • Hanskerpia gen. nov. and phylogenetic relationships among the most ancient conifers (Voltziales)

    Gar W. Rothwell;Gene Mapes;Genaro R. Hernandez-Castillo

  • Characterizing the most primitive seed ferns. I: A reconstruction of Elkinsia polymorpha

    Rudolph Serbet;Gar W. Rothwell

  • Thucydiaceae Fam. Nov., with a Review and Reevaluation of Paleozoic Walchian Conifers

    Genaro R. Hernandez‐Castillo;Gar W. Rothwell;Gene Mapes

  • Anatomically preserved plants from the Middle Eocene (Allenby Formation) of British Columbia

    James F. Basinger;Gar W. Rothwell

  • Palaeobotany and the evolution of plants

    Wilson Nichols Stewart;Gar W. Rothwell

  • THE RHIZOMORPH APEX OF PAURODENDRON; IMPLICATIONS FOR HOMOLOGIES AMONG THE ROOTING ORGANS OF LYCOPSIDA

    Gar W. Rothwell;Diane M. Erwin

  • The earliest seeds

    William H. Gillespie;Gar W. Rothwell;Stephen E. Scheckler

  • Cordaixylon dumusum n.sp. (Cordaitales). I. Vegetative Structures

    Gar W. Rothwell;Susan Warner

  • Late Paleozoic conifers of North America: structure, diversity and occurrences

    Gar W. Rothwell;Gene Mapes;Royal H. Mapes

  • The seed cone Eathiestrobus gen. nov.: Fossil evidence for a Jurassic origin of Pinaceae

    Gar W. Rothwell;Gar W. Rothwell;Gene Mapes;Ruth A. Stockey;Ruth A. Stockey;Jason Hilton

  • The role of Hydropteris pinnata gen. et sp. nov. in reconstructing the cladistics of heterosporous ferns

    Gar W. Rothwell;Ruth A. Stockey

Frequent Co-Authors

Ruth A. Stockey
Ruth A. Stockey Oregon State University
Jason Hilton
Jason Hilton University of Birmingham
Thomas N. Taylor
Thomas N. Taylor University of Kansas
Andrew C. Scott
Andrew C. Scott Royal Holloway University of London
Kirk R. Johnson
Kirk R. Johnson National Museum of Natural History
Rosmarie Honegger
Rosmarie Honegger University of Zurich
Richard M. Bateman
Richard M. Bateman Royal Botanic Gardens
Randolph S. Currah
Randolph S. Currah University of Alberta
Simcha Lev-Yadun
Simcha Lev-Yadun University of Haifa
Lisa M. Pratt
Lisa M. Pratt Indiana University

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