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D-Index & Metrics

Plant Science and Agronomy

D-Index
43
Citations
10593
World Ranking
3143
National Ranking
785

Donald H. Les 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 Donald H. Les 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: 150 publications — 58th percentile

58% of scientists in this discipline score the same or lower.

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

Donald H. Les 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 Donald H. Les 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: 43 D-Index — 52nd percentile

52% of scientists in this discipline score the same or lower.

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

Best Publications

  • Phylogenetics of Seed Plants: An Analysis of Nucleotide Sequences from the Plastid Gene rbcL

    Unknown

  • An ordinal classification for the families of flowering plants

    Kåre Bremer;Mark W. Chase;Peter F. Stevens;Arne A. Anderberg

  • Phylogenetic Studies in Alismatidae, II: Evolution of Marine Angiosperms (Seagrasses) and Hydrophily

    Donald H. Les;Maryke A. Cleland;Michelle Waycott

  • The central role of dispersal in the maintenance and persistence of seagrass populations

    Gary A. Kendrick;Michelle Waycott;Tim J. B. Carruthers;Marion L. Cambridge

  • Phylogeny and Systematics of Lemnaceae, the Duckweed Family

    Donald H. Les;Daniel J. Crawford;Daniel J. Crawford;Elias Landolt;John D. Gabel

  • Molecular phylogenetics of the Magnoliidae: cladistic analyses of nucleotide sequences of the plastid gene rbcL.

    Yin-Long Qiu;Mark W. Chase;Donald H. Les;Clifford R. Parks

  • Evolution of Aquatic Angiosperm Reproductive Systems What is the balance between sexual and asexual reproduction in aquatic angiosperms

    C. Thomas Philbrick;Donald H. Les

  • Aquatic and wetland plants of northeastern North America

    Donald H Les

  • Breeding Systems, Population Structure, and Evolution in Hydrophilous Angiosperms

    Donald H. Les

  • Bottleneck-induced dissolution of self-incompatibility and breeding system consequences in Aster furcatus (Asteraceae)

    James A. Reinartz;James A. Reinartz;Donald H. Les;Donald H. Les

  • BIOGEOGRAPHY OF DISCONTINUOUSLY DISTRIBUTED HYDROPHYTES: A MOLECULAR APPRAISAL OF INTERCONTINENTAL DISJUNCTIONS

    Donald H. Les;Daniel J. Crawford;Rebecca T. Kimball;Michael L. Moody

  • Introduction of Nonindigenous Aquatic Vascular Plants in Southern New England: A Historical Perspective

    Donald H. Les;Leslie J. Mehrhoff

  • Phylogeny, classification and floral evolution of water lilies (Nymphaeaceae; Nymphaeales): a synthesis of non-molecular, rbcL, matK, and 18S rDNA data.

    Donald H. Les;Edward L. Schneider;Donald J. Padgett;Pamela S. Soltis

  • Studies of hybridization and chromosome number variation in aquatic angiosperms: evolutionary implications

    D.H. Les;C.T. Philbrick

  • Molecular evolutionary history of ancient aquatic angiosperms.

    Donald H. Les;Denise K. Garvin;Charles F. Wimpee

  • Seagrass evolution, ecology and conservation: A genetic perspective

    Michelle Waycott;Gabriele Procaccini;Donald H. Les;Thorsten B. H. Reusch

  • GENETIC CONSEQUENCES OF RARITY IN ASTER FURCATUS (ASTERACEAE), A THREATENED, SELF-INCOMPATIBLE PLANT.

    Donald H. Les;James A. Reinartz;Elizabeth J. Esselman

  • Geographic distribution and genotypic composition of invasive hybrid watermilfoil (Myriophyllum spicatum × M. sibiricum) populations in North America

    Michael Moody;Michael Moody;D.H. Les

  • Plastid phylogenomics and molecular evolution of Alismatales.

    T. Gregory Ross;Craig F. Barrett;Marybel Soto Gomez;Vivienne K.Y. Lam

  • SYSTEMATICS OF THE LEMNACEAE (DUCKWEEDS) : INFERENCES FROM MICROMOLECULAR AND MORPHOLOGICAL DATA

    Donald H. Les;E. Landolt;D. J. Crawford

  • Systematics of Seagrasses (Zosteraceae) in Australia and New Zealand

    Donald H. Les;Michael L. Moody;Surrey W. L. Jacobs;Randall J. Bayer

  • The plastid genome of Najas flexilis: adaptation to submersed environments is accompanied by the complete loss of the NDH complex in an aquatic angiosperm.

    Elena L. Peredo;Ursula M. King;Donald H. Les

  • Systematics of Vallisneria (Hydrocharitaceae)

    Donald H. Les;Surrey W. L. Jacobs;Nicholas P. Tippery;Lei Chen

  • Landoltia (Lemnaceae), a new genus of duckweeds

    Daniel J. Crawford;D H Les

  • Genetic diversity in the monoecious hydrophile Ceratophyllum (Ceratophyllaceae).

    Donald H. Les

  • Early Events in Monocot Evolution: In time and with water . . . the systematics of alismatid monocotyledons

    Donald H. Les;Nicholas P. Tippery

  • Systematics of the Aquatic Angiosperm Genus Myriophyllum (Haloragaceae)

    Michael L. Moody;Donald H. Les

  • THE PHYLOGENETIC POSITION OF RIVER-WEEDS (PODOSTEMACEAE) : INSIGHTS FROM RBCL SEQUENCE DATA

    Donald H. Les;C.Thomas Philbrick;R. Alejandro Novelo

Frequent Co-Authors

Daniel J. Crawford
Daniel J. Crawford University of Kansas
Michelle Waycott
Michelle Waycott University of Adelaide
Rebecca T. Kimball
Rebecca T. Kimball University of Florida
Douglas E. Soltis
Douglas E. Soltis University of Florida
Gabriele Procaccini
Gabriele Procaccini Stazione Zoologica Anton Dohrn
Pamela S. Soltis
Pamela S. Soltis University of Florida
Randall J. Bayer
Randall J. Bayer University of Memphis
Mark W. Chase
Mark W. Chase Royal Botanic Gardens
Joseph M. DiTomaso
Joseph M. DiTomaso University of California, Davis
Dennis W. Stevenson
Dennis W. Stevenson New York Botanical Garden

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