World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
34
Citations
4393
World Ranking
5404
National Ranking
1312

Calvin McMillan 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 Calvin McMillan 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: 112 publications — 34th percentile

34% of scientists in this discipline score the same or lower.

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

Calvin McMillan 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 Calvin McMillan 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: 34 D-Index — 19th percentile

19% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 1968 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1960 - George Mercer Award, The Ecological Society of America

Overview

What is he best known for?

The fields of study he is best known for:

  • Botany
  • Ecology
  • Genus

His primary areas of investigation include Botany, Ecology, Syringodium filiforme, Thalassia testudinum and Halodule wrightii. Calvin McMillan carries out multidisciplinary research, doing studies in Botany and Mechanism of action. His study in the field of Zostera marina, Range, Mangrove and Avicennia germinans also crosses realms of Production.

His Halodule wrightii research is multidisciplinary, incorporating elements of Halodule and Halophila engelmannii. His work carried out in the field of Halophila brings together such families of science as Phyllospadix, Potamogetonaceae and Ruppia maritima. His Habitat study combines topics from a wide range of disciplines, such as Agronomy and Germination.

His most cited work include:

  • Production ecology and physiology of seagrasses. (224 citations)
  • Phenolic acids in seagrasses (138 citations)
  • SULPHATED PHENOLIC COMPOUNDS IN SEAGRASSES (96 citations)

What are the main themes of his work throughout his whole career to date?

Botany, Ecology, Germination, Seagrass and Halophila are his primary areas of study. His study in Botany is interdisciplinary in nature, drawing from both Halophila engelmannii, Hydrocharitaceae, Halodule, Syringodium and Syringodium filiforme. His Ecology study focuses mostly on Range, Grassland, Phenology, Habitat and Zostera marina.

His research in Germination intersects with topics in Rhizome and Shoot. His work in the fields of Seagrass, such as Cymodocea rotundata, overlaps with other areas such as Bay. His studies deal with areas such as Zostera and Potamogetonaceae as well as Halophila.

He most often published in these fields:

  • Botany (75.25%)
  • Ecology (39.60%)
  • Germination (20.79%)

What were the highlights of his more recent work (between 1981-1997)?

  • Botany (75.25%)
  • Germination (20.79%)
  • Hydrocharitaceae (13.86%)

In recent papers he was focusing on the following fields of study:

His primary scientific interests are in Botany, Germination, Hydrocharitaceae, Seagrass and Ecology. His Botany research is multidisciplinary, relying on both Halodule, Halophila, Syringodium and Panama. In the subject of general Halophila, his work in Enhalus is often linked to Western Samoa, thereby combining diverse domains of study.

His Syringodium research includes elements of Cymodocea and Syringodium filiforme. Calvin McMillan works mostly in the field of Syringodium filiforme, limiting it down to topics relating to Halodule wrightii and, in certain cases, Halodule uninervis, as a part of the same area of interest. His work on Halophila engelmannii as part of general Hydrocharitaceae study is frequently linked to Sediment, therefore connecting diverse disciplines of science.

Between 1981 and 1997, his most popular works were:

  • Phenology of eelgrass, Zostera marina L., along latitudinal gradients in North America (78 citations)
  • Latitudinal differentiation in response to chilling temperatures among populations of three mangroves, Avicennia germinans, Laguncularia racemosa, and Rhizophora mangle, from the western tropical Atlantic and Pacific Panama (64 citations)
  • Seed germination for an annual form of Zostera marina from the sea of Cortez, Mexico (45 citations)

In his most recent research, the most cited papers focused on:

  • Botany
  • Ecology
  • Genus

The scientist’s investigation covers issues in Botany, Germination, Ecology, Syringodium and Halophila. His Botany study frequently draws connections to adjacent fields such as Panama. His work deals with themes such as Rhizophora mangle, Rhizome, Avicennia germinans and Halophila decipiens, Hydrocharitaceae, which intersect with Panama.

His Germination study combines topics in areas such as Salinity, Shoot and Habitat. His research in the fields of Range, Laguncularia racemosa, Mangrove and Zostera marina overlaps with other disciplines such as Tropical Atlantic. His study looks at the intersection of Syringodium and topics like Cymodocea with Enhalus and Tropical waters.

Best Publications

  • Production ecology and physiology of seagrasses.

    C.P. McRoy;C. McMillan

  • Phenolic acids in seagrasses

    Olga Zapata;Calvin McMillan

  • SULPHATED PHENOLIC COMPOUNDS IN SEAGRASSES

    Calvin McMillan;Olga Zapata;Linda Escobar

  • Salinity Tolerances of Five Marine Spermatophytes of Redfish Bay, Texas

    Calvin McMillan;Frank N. Moseley

  • Phenology of eelgrass, Zostera marina L., along latitudinal gradients in North America

    Ronald C. Phillips;Calvin McMillan;Kent W. Bridges

  • ECOTYPIC DIFFERENTIATION WITHIN FOUR NORTH AMERICAN PRAIRIE GRASSES. II. BEHAVIORAL VARIATION WITHIN TRANSPLANTED COMMUNITY FRACTIONS

    Calvin McMillan

  • Environmental Factors Affecting Seedling Establishment of the Black Mangrove on the Central Texas Coast

    Calvin McMillan

  • Experimental studies on flowering and reproduction in seagrasses

    Calvin McMillan

  • ratios in seagrasses

    Calvin McMillan;Patrick L. Parker;Brian Fry

  • Latitudinal differentiation in response to chilling temperatures among populations of three mangroves, Avicennia germinans, Laguncularia racemosa, and Rhizophora mangle, from the western tropical Atlantic and Pacific Panama

    Jonathan L. Markley;Calvin McMillan;Guy A. Thompson

  • Salt tolerance within a Typha population.

    Calvin McMillan

  • Chlorophyll composition under controlled light conditions as related to the distribution of seagrasses in Texas and the U.S. Virgin Islands

    John R. Wiginton;Calvin McMillan

  • Morphogeographic variation under controlled conditions in five seagrasses, Thalassia testudinum, Halodule wrightii, Syringodium filiforme, Halophila engelmannii, and Zostera marina

    Calvin McMillan

  • THE EFFECTS OF TEN PHENOLIC COMPOUNDS ON HYPOCOTYL GROWTH AND MITOCHONDRIAL METABOLISM OF MUNG BEAN

    E. K. Demos;M. Woolwine;R. H. Wilson;C. McMillan

  • Differentiation in habitat response among populations of New World seagrass

    Calvin McMillan;Ronald C. Phillips

  • Seed reserves and seed germination for two seagrasses, Halodule wrightii and Syringodium filiforme, from the western Atlantic

    Calvin McMillan

  • Seed germination for an annual form of Zostera marina from the sea of Cortez, Mexico

    Calvin McMillan

  • CYTOGEOGRAPHY OF PANICUM VIRGATUM IN CENTRAL NORTH AMERICA

    Calvin McMillan;Calvin McMillan;John Weiler;John Weiler

  • SALT TOLERANCE OF MANGROVES AND SUBMERGED AQUATIC PLANTS

    Calvin McMillan

  • The distribution of tropical seagrasses with relation to their tolerance of high temperatures

    Calvin McMillan

  • A new species of seagrass, Halophila johnsonii, from the Atlantic coast of Florida

    N.J. Eiseman;Calvin McMillan

Frequent Co-Authors

Tom J. Mabry
Tom J. Mabry The University of Texas at Austin
Diana Walker
Diana Walker University of Western Australia

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