World's Best Scientists 2026 revealed!
S. Robbert Gradstein

S. Robbert Gradstein

D-Index & Metrics

Ecology and Evolution

D-Index
53
Citations
9944
World Ranking
3313
National Ranking
179

S. Robbert Gradstein 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 S. Robbert Gradstein 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: 251 publications — 85th percentile

85% of scientists in this discipline score the same or lower.

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

S. Robbert Gradstein 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 S. Robbert Gradstein 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: 53 D-Index — 62nd percentile

62% of scientists in this discipline score the same or lower.

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

Overview

S. Robbert Gradstein is affiliated with the University of Göttingen in Germany and specializes primarily in Agricultural and Biological Sciences. Their research focuses extensively on bryophytes, plant ecology, and related areas within botany.

The scientist has published a significant number of works, particularly in well-recognized journals and publication venues, including:

  • Nova Hedwigia
  • Phytotaxa
  • Cryptogamie Bryologie
  • Journal of Bryology
  • Bryophyte Diversity and Evolution

Frequent co-authors collaborating with Gradstein include Anna Luiza Ilkiu-Borges, Fúvio Rubens Oliveira-da-Silva, Alfons Schäfer-Verwimp, Maaike Y. Bader, and Jörg Bendix.

Their research spans various subfields within biology, notably:

  • Ecology, Evolution, Behavior and Systematics
  • Plant Science
  • Ecology
  • Oceanography
  • Global and Planetary Change

Main topics addressed in their publications cover:

  • Bryophyte Studies and Records
  • Botany and Plant Ecology Studies
  • Lichen and fungal ecology
  • Marine and coastal plant biology
  • Peatlands and Wetlands Ecology
  • Fern and Epiphyte Biology
  • Plant Diversity and Evolution

Among recent papers authored or co-authored by Gradstein are:

  • Checklist of fossil liverworts suitable for calibrating phylogenetic reconstructions, 2021, published in Bryophyte Diversity and Evolution
  • Radionuclide and trace metal accumulation in a variety of mosses used as bioindicators for atmospheric deposition, 2021, in The Science of The Total Environment
  • The genus Cheilolejeunea (Marchantiophyta: Lejeuneaceae) in tropical America, 2020, Nova Hedwigia
  • What do tropical cryptogams reveal? Strong genetic structure in Amazonian bryophytes, 2020, New Phytologist
  • The genus Lejeunea Lib. (Lejeuneaceae, Marchantiophyta) in Brazil, 2020, Phytotaxa

Gradstein also has contributions to book literature, including the publication titled The Liverworts and Hornworts of Colombia and Ecuador, released in 2021 by Memoirs of the New York Botanical Garden.

Best Publications

  • World checklist of hornworts and liverworts.

    Lars Söderström;Anders Hagborg;Matt von Konrat;Sharon Bartholomew-Began

  • Tradeoffs between income, biodiversity, and ecosystem functioning during tropical rainforest conversion and agroforestry intensification

    Ingolf Steffan-Dewenter;Michael Kessler;Jan Barkmann;Merijn M. Bos

  • An integrated assessment of the vascular plant species of the Americas.

    Carmen Ulloa Ulloa;Pedro Acevedo-Rodríguez;Stephan Beck;Manuel J. Belgrano

  • BIODIVERSITY INDICATOR GROUPS OF TROPICAL LAND‐USE SYSTEMS: COMPARING PLANTS, BIRDS, AND INSECTS

    Christian H. Schulze;Matthias Waltert;Paul J. A. Kessler;Ramadhanil Pitopang

  • Diversity patterns of vascular epiphytes along an elevational gradient in the Andes

    Thorsten Krömer;Michael Kessler;S. Robbert Gradstein;Amparo Acebey

  • Vertical stratification of vascular epiphytes in submontane and montane forest of the Bolivian Andes: the importance of the understory

    Thorsten Krömer;Thorsten Krömer;Michael Kessler;S. Robbert Gradstein

  • Extant diversity of bryophytes emerged from successive post-Mesozoic diversification bursts

    B. Laenen;B. Laenen;B. Shaw;H. Schneider;B. Goffinet

  • Alpha and beta diversity of plants and animals along a tropical land-use gradient.

    Michael Kessler;Michael Kessler;Stefan Abrahamczyk;Stefan Abrahamczyk;Merijn Bos;Damayanti Buchori

  • Tree diversity in primary forest and different land use systems in Central Sulawesi, Indonesia

    Michael Kessler;Paul J.A. Keßler;S. Robbert Gradstein;Kerstin Bach

  • Towards a natural classification of liverworts (Marchantiophyta) based on the chloroplast gene rbcL

    Jochen Heinrichs;S. Robbert Gradstein;Rosemary Wilson;Harald Schneider

  • Flora and Fungi: Composition and Function

    J. Homeier;F. A. Werner;S. R. Gradstein;S. W. Breckle

  • Unravelling the phylogeny of Lejeuneaceae (Jungermanniopsida): evidence for four main lineages.

    Rosemary Wilson;S. Robbert Gradstein;Harald Schneider;Jochen Heinrichs

  • Disturbance effects on diversity of epiphytes and moths in a montane forest in Ecuador

    Nicole M. Nöske;Nadine Hilt;Florian A. Werner;Gunnar Brehm

  • Species diversity and endemism of five major Malesian islands: diversity–area relationships

    Marco C. Roos;Paul J. A. Kessler;S. Robbert Gradstein;Pieter Baas

  • Testing Hypotheses on Species Delimitations and Disjunctions in the Liverwort Bryopteris (Jungermanniopsida: Lejeuneaceae)

    Florian A. Hartmann;Rosemary Wilson;S. Robbert Gradstein;Harald Schneider

  • Bryophyte Diversity, Microhabitat Differentiation, and Distribution of Life Forms in Costa Rican Upper Montane Quercus Forest

    Ingo Holz;S. Robbert Gradstein;Jochen Heinrichs;Maarten Kappelle

  • Phylogenetic relationships and neotenic evolution of Metzgeriopsis (Lejeuneaceae) based on chloroplast DNA sequences and morphology

    S. Robbert Gradstein;Rosemary Wilson;Anna Luiza Ilkiu‐Borges;Jochen Heinrichs

  • New national and regional bryophyte records, 39

    L. T. Ellis;O. M. Afonina;A. K. Asthana;R. Gupta

  • Vertical distribution of epiphytic bryophytes in an Indonesian rainforest

    S. Goda Sporn;Merijn M. Bos;Michael Kessler;Michael Kessler;S. Robbert Gradstein

  • Niche assembly of epiphytic bryophyte communities in the Guianas: a regional approach.

    Sylvia Mota de Oliveira;Hans ter Steege;Johannes H. C. Cornelissen;S. Robbert Gradstein

  • A phylogenetic analysis of the genera of Lejeuneaceae (Hepaticae)

    S. Robbert Gradstein;M. Elena Reiner‐Drehwald;Harald Schneider

Frequent Co-Authors

Michael Kessler
Michael Kessler University of Zurich
Alain Vanderpoorten
Alain Vanderpoorten University of Liège
Jochen Heinrichs
Jochen Heinrichs Ludwig-Maximilians-Universität München
Harald Schneider
Harald Schneider Xishuangbanna Tropical Botanical Garden
Jairo Patiño
Jairo Patiño Instituto de Productos Naturales y Agrobiología
Ingolf Steffan-Dewenter
Ingolf Steffan-Dewenter University of Würzburg
Stefan Abrahamczyk
Stefan Abrahamczyk University of Bonn
Teja Tscharntke
Teja Tscharntke University of Göttingen
Damayanti Buchori
Damayanti Buchori IPB University
A. Jonathan Shaw
A. Jonathan Shaw Duke University

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