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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Biology and Biochemistry 59 12403 11419 5311 4762 395 14467

Ihsan A. Al-Shehbaz publications per year

The chart shows the history of publications by Ihsan A. Al-Shehbaz between 1959 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ihsan A. Al-Shehbaz published across 68 years, from 1959 to 2026, averaging 6.2 papers a year. Output peaked at 21 publications in 2015. 25 of the 423 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1959 to 2026. Vertical axis: number of publications, 0 to 21. Peak 21 publications in 2015. 1959: 1 publication 1960: 0 publications 1961: 0 publications 1962: 0 publications 1963: 0 publications 1964: 0 publications 1965: 0 publications 1966: 1 publication 1967: 0 publications 1968: 0 publications 1969: 1 publication 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 1 publication 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 2 publications 1978: 1 publication 1979: 0 publications 1980: 1 publication 1981: 1 publication 1982: 1 publication 1983: 0 publications 1984: 2 publications 1985: 2 publications 1986: 3 publications 1987: 2 publications 1988: 3 publications 1989: 6 publications 1990: 9 publications 1991: 4 publications 1992: 1 publication 1993: 2 publications 1994: 4 publications 1995: 1 publication 1996: 1 publication 1997: 4 publications 1998: 4 publications 1999: 9 publications 2000: 19 publications 2001: 6 publications 2002: 12 publications 2003: 10 publications 2004: 11 publications 2005: 6 publications 2006: 14 publications 2007: 17 publications 2008: 11 publications 2009: 9 publications 2010: 19 publications 2011: 7 publications 2012: 15 publications 2013: 14 publications 2014: 11 publications 2015: 21 publications 2016: 16 publications 2017: 18 publications 2018: 20 publications 2019: 21 publications 2020: 11 publications 2021: 11 publications 2022: 18 publications 2023: 11 publications 2024: 3 publications 2025: 7 publications 2026: 18 publications
1959 2026

423 publications in total across all disciplines

View publications per year as a table
Ihsan A. Al-Shehbaz: publications per year, 1959 to 2026
Year Publications
1959 1
1960 0
1961 0
1962 0
1963 0
1964 0
1965 0
1966 1
1967 0
1968 0
1969 1
1970 0
1971 0
1972 0
1973 1
1974 0
1975 0
1976 0
1977 2
1978 1
1979 0
1980 1
1981 1
1982 1
1983 0
1984 2
1985 2
1986 3
1987 2
1988 3
1989 6
1990 9
1991 4
1992 1
1993 2
1994 4
1995 1
1996 1
1997 4
1998 4
1999 9
2000 19
2001 6
2002 12
2003 10
2004 11
2005 6
2006 14
2007 17
2008 11
2009 9
2010 19
2011 7
2012 15
2013 14
2014 11
2015 21
2016 16
2017 18
2018 20
2019 21
2020 11
2021 11
2022 18
2023 11
2024 3
2025 7
2026 18
Total 423
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Ihsan A. Al-Shehbaz 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 Ihsan A. Al-Shehbaz sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 100 bars. Horizontal axis: publications, 47–56 to 1,028+. Vertical axis: number of scientists, 0 to 980. Most scientists, 980, have 127–136 publications. The last bar groups every scientist with 1,028 publications or more. The highlighted bar, 387–396 publications, is where this scientist sits. 47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 413 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 848 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 949 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 840 scientists 207–216 publications: 733 scientists 217–226 publications: 708 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: 417 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: 196 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: 59 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 scientist 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientist 1,028+ publications: 100 scientists
47–56 publications 1,028+

This scientist: 395 publications — 89th percentile

89% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Biology and Biochemistry scientists by publication count, Research.com 2026 ranking edition. Based on 19,587 ranked scientists.
Publications Scientists This scientist
47–56 8
57–66 35
67–76 106
77–86 231
87–96 413
97–106 546
107–116 704
117–126 848
127–136 980
137–146 942
147–156 969
157–166 949
167–176 951
177–186 915
187–196 787
197–206 840
207–216 733
217–226 708
227–236 651
237–246 605
247–256 510
257–266 524
267–276 434
277–286 417
287–296 350
297–306 363
307–316 315
317–326 296
327–336 261
337–346 240
347–356 219
357–366 196
367–376 154
377–386 161
387–396 155 395
397–406 145
407–416 124
417–426 112
427–436 132
437–446 116
447–456 99
457–466 81
467–476 91
477–486 80
487–496 80
497–506 59
507–516 36
517–526 46
527–536 54
537–546 44
547–556 43
557–566 43
567–576 42
577–586 25
587–596 34
597–606 23
607–616 33
617–626 31
627–636 27
637–646 25
647–656 28
657–666 34
667–676 18
677–686 16
687–696 10
697–706 12
707–716 21
717–726 12
727–736 12
737–746 10
747–756 7
757–766 13
767–776 15
777–786 13
787–796 9
797–806 9
807–816 7
817–826 4
827–836 9
837–846 7
847–856 3
857–866 5
867–876 5
877–886 11
887–896 3
897–906 4
907–916 7
917–926 5
927–936 6
937–946 6
947–956 3
957–966 7
967–976 2
977–986 2
987–996 1
997–1,006 5
1,007–1,016 2
1,017–1,026 2
1,027 1
1,028+ 100
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Ihsan A. Al-Shehbaz 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 Ihsan A. Al-Shehbaz sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 65 bars. Horizontal axis: D-Index, 40–41 to 167+. Vertical axis: number of scientists, 0 to 1,253. Most scientists, 1,253, have 58–59 D-Index. The last bar groups every scientist with 167 D-Index or more. The highlighted bar, 58–59 D-Index, is where this scientist sits. 40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 316 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 899 scientists 52–53 D-Index: 1,025 scientists 54–55 D-Index: 1,149 scientists 56–57 D-Index: 1,235 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,162 scientists 62–63 D-Index: 1,130 scientists 64–65 D-Index: 1,031 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 714 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: 71 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
40–41 D-Index 167+

This scientist: 59 D-Index — 38th percentile

38% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Biology and Biochemistry scientists by D-index, Research.com 2026 ranking edition. Based on 19,587 ranked scientists.
D-Index Scientists This scientist
40–41 80
42–43 183
44–45 316
46–47 504
48–49 718
50–51 899
52–53 1,025
54–55 1,149
56–57 1,235
58–59 1,253 59
60–61 1,162
62–63 1,130
64–65 1,031
66–67 897
68–69 814
70–71 714
72–73 709
74–75 596
76–77 512
78–79 473
80–81 412
82–83 373
84–85 358
86–87 285
88–89 273
90–91 227
92–93 208
94–95 193
96–97 153
98–99 157
100–101 148
102–103 120
104–105 113
106–107 100
108–109 86
110–111 67
112–113 71
114–115 73
116–117 64
118–119 53
120–121 60
122–123 54
124–125 43
126–127 38
128–129 49
130–131 26
132–133 18
134–135 23
136–137 32
138–139 32
140–141 27
142–143 19
144–145 22
146–147 12
148–149 16
150–151 14
152–153 10
154–155 13
156–157 10
158–159 7
160–161 9
162–163 13
164–165 4
166 4
167+ 98
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Overview

Ihsan A. Al-Shehbaz is affiliated with the Missouri Botanical Garden in the United States and has contributed extensively to the field of Agricultural and Biological Sciences with a focus on Plant Science, Ecology, Evolution, Behavior and Systematics, Molecular Biology, Genetics, and Ecological Modeling. Their research spans 137 publications within these disciplines, with significant emphasis on taxonomy, phylogeny, and genetic studies.

The scientist's work addresses several key topics including Plant Ecology and Taxonomy Studies, Mediterranean and Iberian flora and fauna, Botany and Plant Ecology Studies, Genomics and Phylogenetic Studies, Plant and Fungal Species Descriptions, Plant Diversity and Evolution, and Genetic Diversity and Population Structure. These themes highlight a broad scope within plant biology and evolutionary research.

Recent publications showcase a focus on the Brassicaceae family and related evolutionary processes. Notable papers include:

  • Global Brassicaceae phylogeny based on filtering of 1,000-gene dataset (2023) published in Current Biology
  • Phylogeny and multiple independent whole-genome duplication events in the Brassicales (2020) published in American Journal of Botany
  • An updated classification of the Brassicaceae (Cruciferae) (2023) published in PhytoKeys
  • Evolution of Tandem Repeats Is Mirroring Post-polyploid Cladogenesis in Heliophila (Brassicaceae) (2021) published in Frontiers in Plant Science
  • Global Phylogeny of the Brassicaceae Provides Important Insights into Gene Discordance (2022) published in bioRxiv (Cold Spring Harbor Laboratory)

Al-Shehbaz has frequently published in venues such as Phytotaxa, Harvard Papers in Botany, Taxon, PhytoKeys, and Annals of Botany, indicating a consistent contribution to journals focused on botany and plant systematics.

  • Phytotaxa
  • Harvard Papers in Botany
  • Taxon
  • PhytoKeys
  • Annals of Botany

Their frequent collaborators include Martin A. Lysák, Dmitry A. German, Klaus Mummenhoff, Marcus A. Koch, and Terezie Mandáková, indicating active partnerships in research related to plant systematics and evolution.

  • Martin A. Lysák
  • Dmitry A. German
  • Klaus Mummenhoff
  • Marcus A. Koch
  • Terezie Mandáková

Best Publications

  • Abramoff MD, Magalhaes PJ, Ram SJ. 2004. Image Processing with ImageJ. Biophotonics

    McLean E;Boonman A;Visser E;Al-Shehbaz Ia

  • Systematics and phylogeny of the Brassicaceae (Cruciferae): an overview

    I. A. Al-Shehbaz;M. A. Beilstein;E. A. Kellogg

  • Brassicaceae phylogeny and trichome evolution

    Mark A. Beilstein;Ihsan A. Al-Shehbaz;Elizabeth A. Kellogg

  • Cabbage family affairs: the evolutionary history of Brassicaceae

    Andreas Franzke;Martin A. Lysak;Ihsan A. Al-Shehbaz;Marcus A. Koch

  • A generic and tribal synopsis of the Brassicaceae (Cruciferae)

    Ihsan A. Al-Shehbaz

  • Toward a Global Phylogeny of the Brassicaceae

    C. Donovan Bailey;Marcus A. Koch;Michael Mayer;Klaus Mummenhoff

  • Molecular phylogenetics, temporal diversification, and principles of evolution in the mustard family (Brassicaceae).

    Thomas L. P. Couvreur;Andreas Franzke;Ihsan A. Al-Shehbaz;Freek T. Bakker

  • Brassicaceae: Species checklist and database on CD-Rom

    S. I. Warwick;A. Francis;I. A. Al-Shehbaz

  • Resolution of Brassicaceae Phylogeny Using Nuclear Genes Uncovers Nested Radiations and Supports Convergent Morphological Evolution

    Chien Hsun Huang;Renran Sun;Yi Hu;Liping Zeng

  • The origins of Arabidopsis suecica (Brassicaceae) as indicated by nuclear rDNA sequences.

    Steve L. O'Kane;Barbara A. Schaal;Ihsan A. Al-Shehbaz

  • The genera of Thelypodieae (Cruciferae; Brassicaceae) in the southeastern United States

    Ihsan A. Al-Shehbaz

  • Brassicaceae: Chromosome number index and database on CD-Rom

    S. I. Warwick;I. A. Al-Shehbaz

  • Brassicaceae phylogeny inferred from phytochrome A and ndhF sequence data: tribes and trichomes revisited

    Mark A. Beilstein;Mark A. Beilstein;Ihsan A. Al-Shehbaz;Sarah Mathews;Elizabeth A. Kellogg

  • Taxonomy and phylogeny of Arabidopsis (brassicaceae).

    Ihsan A. Al-Shehbaz;Steve L. O'Kane

  • Closing the gaps: phylogenetic relationships in the Brassicaceae based on DNA sequence data of nuclear ribosomal ITS region

    Suzanne I. Warwick;Klaus Mummenhoff;Connie A. Sauder;Marcus A. Koch

  • Molecular Systematics, Evolution, and Population Biology in the Mustard Family (Brassicaceae)

    Marcus Koch;Ihsan A. Al-Shehbaz;Klaus Mummenhoff

  • A synopsis of Arabidopsis (Brassicaceae)

    Ihsan A. Al-Shehbaz;Steve L O'kane

  • 1 Systematic Relationships of Arabidopsis: A Molecular and Morphological Perspective

    Robert A. Price;Jeffrey D. Palmer;Ihsan A. Al-Shehbaz

  • The tribes of Cruciferae (Brassicaceae) in the Southeastern United States

    Ihsan A. Al-Shehbaz

  • BrassiBase: Introduction to a Novel Knowledge Database on Brassicaceae Evolution

    Markus Kiefer;Roswitha Schmickl;Roswitha Schmickl;Dmitry A. German;Terezie Mandáková

Frequent Co-Authors

Klaus Mummenhoff
Klaus Mummenhoff Osnabrück University
Marcus A. Koch
Marcus A. Koch Heidelberg University
Suzanne I. Warwick
Suzanne I. Warwick Agriculture and Agriculture-Food Canada
Fernando O. Zuloaga
Fernando O. Zuloaga National Scientific and Technical Research Council
Hang Sun
Hang Sun Chinese Academy of Sciences
Martin A. Lysak
Martin A. Lysak Masaryk University
Jianquan Liu
Jianquan Liu Lanzhou University
Karol Marhold
Karol Marhold Slovak Academy of Sciences
Patrick P. Edger
Patrick P. Edger Michigan State University
J. Chris Pires
J. Chris Pires Colorado State University

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