World's Best Scientists 2026 revealed!
Christopher L. Schardl

Christopher L. Schardl

D-Index & Metrics

Plant Science and Agronomy

D-Index
73
Citations
19289
World Ranking
595
National Ranking
178

Christopher L. Schardl 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 Christopher L. Schardl 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: 222 publications — 83rd percentile

83% of scientists in this discipline score the same or lower.

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

Christopher L. Schardl 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 Christopher L. Schardl 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: 73 D-Index — 91st percentile

91% 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

  • 2003 - Fellow of the American Phytopathological Society

Overview

What is he best known for?

The fields of study he is best known for:

  • Gene
  • Botany
  • DNA

Christopher L. Schardl mostly deals with Botany, Epichloë, Neotyphodium, Endophyte and Genetics. His biological study spans a wide range of topics, including Host and Ascomycota. His studies deal with areas such as Lolium, Ecology, Sexual reproduction and Clavicipitaceae as well as Epichloë.

In his research on the topic of Neotyphodium, Interspecific hybridization, Taxon and Subspecies is strongly related with Taxonomy. His Endophyte research incorporates elements of Lolium perenne, Festuca and Festuca arundinacea. Christopher L. Schardl interconnects Claviceps purpurea and Colletotrichum orbiculare in the investigation of issues within Gene.

His most cited work include:

  • Evolutionary origins and ecological consequences of endophyte symbiosis with grasses. (772 citations)
  • SYMBIOSES OF GRASSES WITH SEEDBORNE FUNGAL ENDOPHYTES (625 citations)
  • Lifestyle transitions in plant pathogenic Colletotrichum fungi deciphered by genome and transcriptome analyses (512 citations)

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

Christopher L. Schardl mainly investigates Botany, Epichloë, Endophyte, Gene and Neotyphodium. His Botany research is multidisciplinary, incorporating elements of Host, Clavicipitaceae and Pooideae. Within one scientific family, Christopher L. Schardl focuses on topics pertaining to Phylogenetics under Epichloë, and may sometimes address concerns connected to Phylogenetic tree.

His Endophyte research includes themes of Acremonium, Ecology, Lolium perenne and Festuca arundinacea. His research integrates issues of Claviceps purpurea and Molecular biology in his study of Gene. His Neotyphodium study combines topics from a wide range of disciplines, such as Bromus, Plant use of endophytic fungi in defense and Pyrrolizidine.

He most often published in these fields:

  • Botany (46.26%)
  • Epichloë (32.71%)
  • Endophyte (28.50%)

What were the highlights of his more recent work (between 2013-2021)?

  • Epichloë (32.71%)
  • Botany (46.26%)
  • Gene (26.17%)

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

Christopher L. Schardl spends much of his time researching Epichloë, Botany, Gene, Endophyte and Genetics. His Epichloë study combines topics in areas such as Phylogenetics, Hyphal growth, Microbiology and Biochemistry. His Botany research includes elements of Host and Clavicipitaceae.

His Gene research focuses on Ergovaline and how it connects with Transformation, Marker gene and Forage. The study incorporates disciplines such as Phylogenetic tree, Transcriptome, Pooideae, Festuca arundinacea and Lolium perenne in addition to Endophyte. His work carried out in the field of Neotyphodium brings together such families of science as Subspecies, Lineage, Monophyly, Bromus and Phleum alpinum.

Between 2013 and 2021, his most popular works were:

  • Nomenclatural realignment of Neotyphodium species with genus Epichloë (258 citations)
  • Endophytic Epichloë species and their grass hosts: from evolution to applications. (81 citations)
  • Genetics, genomics and evolution of ergot alkaloid diversity. (53 citations)

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

  • Gene
  • DNA
  • Botany

His primary scientific interests are in Epichloë, Gene, Botany, Endophyte and Phylogenetics. Christopher L. Schardl is involved in the study of Epichloë that focuses on Loline alkaloid in particular. The Gene study combines topics in areas such as Evolutionary biology and Lolium perenne.

His Botany study often links to related topics such as Microbiology. His Endophyte study incorporates themes from Mutualism, Ecology, Coevolution, Transcriptome and Genetic variation. Christopher L. Schardl has researched Phylogenetics in several fields, including Clavicipitaceae, Ecosystem and Phylogenetic tree.

Best Publications

  • Evolutionary origins and ecological consequences of endophyte symbiosis with grasses.

    Keith Clay;Christopher L Schardl

  • Lifestyle transitions in plant pathogenic Colletotrichum fungi deciphered by genome and transcriptome analyses

    Richard J. O'Connell;Michael R. Thon;Stéphane Hacquard;Stefan G. Amyotte

  • SYMBIOSES OF GRASSES WITH SEEDBORNE FUNGAL ENDOPHYTES

    Christopher L. Schardl;Adrian Leuchtmann;Martin J. Spiering

  • Bioprotective Alkaloids of Grass-Fungal Endophyte Symbioses

    L. P. Bush;H. H. Wilkinson;C. L. Schardl

  • Nomenclatural realignment of Neotyphodium species with genus Epichloë

    Adrian Leuchtmann;charles Wilson bacon;Christopher L. Schardl;James F. White

  • Plant-Symbiotic Fungi as Chemical Engineers: Multi-Genome Analysis of the Clavicipitaceae Reveals Dynamics of Alkaloid Loci

    Christopher L. Schardl;Carolyn A. Young;Uljana Hesse;Stefan G. Amyotte

  • Design and construction of a versatile system for the expression of foreign genes in plants.

    Christopher L. Schardl;Alfred D. Byrd;Gary Benzion;Mitchell A. Altschuler

  • Loline alkaloids: Currencies of mutualism.

    Christopher L. Schardl;Robert B. Grossman;Padmaja Nagabhyru;Jerome R. Faulkner

  • Ergot alkaloids--biology and molecular biology.

    Christopher L Schardl;Daniel G Panaccione;Paul Tudzynski

  • Contribution of Fungal Loline Alkaloids to Protection from Aphids in a Grass-Endophyte Mutualism

    Heather H. Wilkinson;Malcolm R. Siegel;Jimmy D. Blankenship;Allison C. Mallory

  • Evolutionary diversification of fungal endophytes of tall fescue grass by hybridization with Epichloë species

    Huei-Fung Tsai;Jih-Shiou Liu;Chuck Staben;Michael J. Christensen

  • Interspecific hybridization in plant-associated fungi and oomycetes: a review.

    C. L. Schardl;K. D. Craven

  • Prevalence of interspecific hybrids amongst asexual fungal endophytes of grasses

    C. D. Moon;K. D. Craven;A. Leuchtmann;S. L. Clement

  • Protective Grass Endophytes: Where are they from and where are they going?

    Christopher L. Schardl;Timothy D. Phillips

  • A conserved sequence in internal transcribed spacer 1 of plant nuclear rRNA genes

    Jih-Shiou Liu;Christopher L. Schardl

  • Epichloë festucae and Related Mutualistic Symbionts of Grasses

    Christopher L. Schardl

  • Elimination of ergovaline from a grass-Neotyphodium endophyte symbiosis by genetic modification of the endophyte.

    Daniel G. Panaccione;Richard D. Johnson;Jinghong Wang;Carolyn A. Young

  • Origin of a fungal symbiont of perennial ryegrass by interspecific hybridization of a mutualist with the ryegrass choke pathogen, Epichloë typhina.

    C. L. Schardl;A. Leuchtmann;Huei-Fung Tsai;M. A. Collett

  • EPICHLOË SPECIES: Fungal Symbionts of Grasses

    Christopher L. Schardl

  • Coevolution by Common Descent of Fungal Symbionts (Epichloe spp.) and Grass Hosts

    CL Schardl;A Leuchtmann;K-R Chung;D Penny

Frequent Co-Authors

Daniel G. Panaccione
Daniel G. Panaccione West Virginia University
Carolyn A. Young
Carolyn A. Young North Carolina State University
Barry Scott
Barry Scott Massey University
Malcolm R. Siegel
Malcolm R. Siegel University of Kentucky
Mark L. Farman
Mark L. Farman University of Kentucky
Murray P. Cox
Murray P. Cox Massey University
Charles W. Bacon
Charles W. Bacon Agricultural Research Service
James F. White
James F. White Rutgers, The State University of New Jersey
Zhiqiang An
Zhiqiang An The University of Texas Health Science Center at Houston

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