World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
47
Citations
8759
World Ranking
3992
National Ranking
1562

Research.com Recognitions

  • 2011 - Fellow of John Simon Guggenheim Memorial Foundation

Overview

Kirk R. Johnson is affiliated with the National Museum of Natural History in the United States. Their research spans multiple fields, primarily Agricultural and Biological Sciences with contributions to Earth and Planetary Sciences.

The main areas of study include:

  • Agricultural and Biological Sciences
  • Earth and Planetary Sciences

Within these broader fields, the subfields of study involve:

  • Ecology, Evolution, Behavior and Systematics
  • Paleontology
  • Geophysics
  • Molecular Biology
  • Plant Science

Their research topics mainly focus on:

  • Plant Diversity and Evolution
  • Plant and animal studies
  • Fern and Epiphyte Biology
  • Plant and Fungal Species Descriptions
  • Evolution and Paleontology Studies
  • Botany and Geology in Latin America and Caribbean
  • Geological and Tectonic Studies in Latin America

Kirk R. Johnson has authored several papers published in reputable scientific journals. Recent papers include:

  • "An image dataset of cleared, x-rayed, and fossil leaves vetted to plant family for human and machine learning" (2021) in PhytoKeys
  • "Nitrogen isotopes reveal independent origins of N2-fixing symbiosis in extant cycad lineages" (2023) in Nature Ecology & Evolution
  • "Insect herbivory on Catula gettyi gen. et sp. nov. (Lauraceae) from the Kaiparowits Formation (Late Cretaceous, Utah, USA)" (2022) in PLoS ONE
  • "No Consistent Shift in Leaf Dry Mass per Area Across the Cretaceous-Paleogene Boundary" (2022) in Frontiers in Plant Science
  • "Correction: Insect herbivory on Catula gettyi gen. et sp. nov. (Lauraceae) from the Kaiparowits Formation (Late Cretaceous, Utah, USA)" (2022) in PLoS ONE

Their frequent coauthors have included:

  • Ian M. Miller
  • Peter Wilf
  • Scott L. Wing
  • Herbert W. Meyer
  • Rohit Saha

Frequent publication venues for their work are:

  • PLoS ONE
  • PhytoKeys
  • Nature Ecology & Evolution
  • Frontiers in Plant Science
  • Journal of Paleontology

Kirk R. Johnson was awarded a fellowship by the John Simon Guggenheim Memorial Foundation in 2011.

Best Publications

  • The Chicxulub Asteroid Impact and Mass Extinction at the Cretaceous-Paleogene Boundary

    Peter Schulte;Laia Alegret;Ignacio Arenillas;José A. Arz

  • Sensitivity of leaf size and shape to climate: Global patterns and paleoclimatic applications

    Daniel J. Peppe;Daniel J. Peppe;Dana L. Royer;Bárbara Cariglino;Sofia Y. Oliver

  • Impact of the terminal Cretaceous event on plant–insect associations

    Conrad C. Labandeira;Conrad C. Labandeira;Kirk R. Johnson;Peter Wilf

  • High Plant Diversity in Eocene South America: Evidence from Patagonia

    Peter Wilf;Peter Wilf;Peter Wilf;N. Rubén Cúneo;Kirk R. Johnson;Jason F. Hicks

  • Correlated terrestrial and marine evidence for global climate changes before mass extinction at the Cretaceous-Paleogene boundary.

    Peter Wilf;Kirk R. Johnson;Brian T. Huber

  • Eocene Plant Diversity at Laguna del Hunco and Río Pichileufú, Patagonia, Argentina

    Peter Wilf;Kirk R. Johnson;N. Rubén Cúneo;M. Elliot Smith

  • Exceptional continental record of biotic recovery after the Cretaceous–Paleogene mass extinction

    T. R. Lyson;I. M. Miller;A. D. Bercovici;A. D. Bercovici;K. Weissenburger

  • Timing the radiations of leaf beetles: hispines on gingers from latest cretaceous to recent.

    Peter Wilf;Conrad C. Labandeira;W. John Kress;Charles L. Staines

  • Decoupled Plant and Insect Diversity After the End-Cretaceous Extinction

    Peter Wilf;Conrad C. Labandeira;Conrad C. Labandeira;Kirk R. Johnson;Beth Ellis

  • Land plant extinction at the end of the Cretaceous: a quantitative analysis of the North Dakota megafloral record

    Peter Daniel Wilf;Kirk R. Johnson

  • The Hell Creek Formation and the Cretaceous-Tertiary boundary in the Northern Great Plains: an integrated continental record of the end of the Cretaceous

    Joseph Herbert Hartman;Kirk R. Johnson;Douglas J. Nichols

  • Fossil leaf economics quantified: calibration, Eocene case study, and implications

    Dana L. Royer;Lawren Sack;Peter Wilf;Christopher H. Lusk

  • A Tropical Rainforest in Colorado 1.4 Million Years After the Cretaceous-Tertiary Boundary

    Kirk R. Johnson;Beth Ellis

  • Habitat-related error in estimating temperatures from leaf margins in a humid tropical forest.

    Robyn J. Burnham;Nigel C. A. Pitman;Kirk R. Johnson;Peter Wilf

  • A Paleocene lowland macroflora from Patagonia reveals significantly greater richness than North American analogs

    Ari Iglesias;Peter Wilf;Kirk R. Johnson;Alba B. Zamuner

  • Oldest known Eucalyptus macrofossils are from South America.

    María A. Gandolfo;Elizabeth J. Hermsen;María C. Zamaloa;Kevin C. Nixon

  • Megaflora of the Hell Creek and lower Fort Union Formations in the western Dakotas: Vegetational response to climate change, the Cretaceous-Tertiary boundary event, and rapid marine transgression

    Kirk R. Johnson

  • Plants and the K-T Boundary

    Douglas J. Nichols;Kirk R. Johnson

  • Papuacedrus (Cupressaceae) in Eocene Patagonia: A new fossil link to Australasian rainforests.

    Peter Wilf;Stefan A. Little;Ari Iglesias;Ari Iglesias;María del Carmen Zamaloa

  • High-resolution leaf-fossil record spanning the Cretaceous/Tertiary boundary

    Kirk R. Johnson;Douglas J. Nichols;Moses Attrep;Charles J. Orth

Frequent Co-Authors

Peter Wilf
Peter Wilf Pennsylvania State University
Conrad C. Labandeira
Conrad C. Labandeira Smithsonian Institution
William C. Clyde
William C. Clyde University of New Hampshire
Maria A. Gandolfo
Maria A. Gandolfo Cornell University
Dana L. Royer
Dana L. Royer Wesleyan University
Scott L. Wing
Scott L. Wing National Museum of Natural History
Gar W. Rothwell
Gar W. Rothwell Ohio University
Ruth A. Stockey
Ruth A. Stockey Oregon State University

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