World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
78
Citations
20296
World Ranking
471
National Ranking
145

Research.com Recognitions

  • 1970 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

What is he best known for?

The fields of study he is best known for:

  • Ecology
  • Botany
  • Genus

James M. Trappe focuses on Botany, Ecology, Mycorrhiza, Colonization and Fungus. His Botany research includes elements of Dark septate endophyte and Rhizopogon. His Mycorrhiza research includes themes of Coarse woody debris, Ramaria, Clavulina, Phycomycetes and Balsamia.

His Colonization study combines topics in areas such as Mutualism, Endogonales, Vascular plant, Mucoromycotina and Glomeromycota. The study incorporates disciplines such as Biomass, Inoculation and Hartig net in addition to Fungus. His work carried out in the field of Biogeography brings together such families of science as Inocybe, Sister group, Truffle, Taxon and Endemism.

His most cited work include:

  • The dawn of symbiosis between plants and fungi (173 citations)
  • The dawn of symbiosis between plants and fungi (173 citations)
  • Biology of the ectomycorrhizal genus, Rhizopogon (171 citations)

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

James M. Trappe mainly investigates Botany, Ecology, Truffle, Genus and Taxonomy. His Botany study integrates concerns from other disciplines, such as Zoology and Mycorrhiza, Rhizopogon. His research integrates issues of Horticulture and Seedling in his study of Mycorrhiza.

The study incorporates disciplines such as Boletales and Suillus in addition to Rhizopogon. His Truffle research is multidisciplinary, incorporating elements of Pezizaceae and Pezizales. His work carried out in the field of Genus brings together such families of science as Evolutionary biology and Russula.

He most often published in these fields:

  • Botany (62.38%)
  • Ecology (40.59%)
  • Truffle (20.79%)

What were the highlights of his more recent work (between 2009-2020)?

  • Botany (62.38%)
  • Ecology (40.59%)
  • Truffle (20.79%)

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

His primary scientific interests are in Botany, Ecology, Truffle, Genus and Pezizales. His work in Botany is not limited to one particular discipline; it also encompasses Nutrient. His study in Ecology is interdisciplinary in nature, drawing from both Desert and Ectomycorrhizae.

His research in Truffle intersects with topics in Taxonomy, Pezizaceae, Endemism and Spore. His Genus research integrates issues from Evolutionary biology, Russula, Eucalyptus and Russulaceae. His Pezizales research focuses on Clade and how it relates to Agaricaceae, Adaptive radiation, Lepiota and Cortinariaceae.

Between 2009 and 2020, his most popular works were:

  • The dawn of symbiosis between plants and fungi (173 citations)
  • The dawn of symbiosis between plants and fungi (173 citations)
  • Historical biogeography and diversification of Truffles in the Tuberaceae and their newly identified southern hemisphere sister lineage (153 citations)

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

  • Ecology
  • Botany
  • Genus

Botany, Truffle, Ecology, Tuberaceae and Pezizales are his primary areas of study. James M. Trappe studies Cortinarius which is a part of Botany. He interconnects Endemism, Pezizaceae, Biogeography and Spore in the investigation of issues within Truffle.

James M. Trappe has researched Spore in several fields, including Phylogenetic diversity, Ecological significance, Fungus and Morphology. His Ecology study combines topics in areas such as Glomeromycota and Mucoromycotina. His Pezizales research is multidisciplinary, incorporating perspectives in Mating and Internal transcribed spacer.

Best Publications

  • Dark septate endophytes: a review of facultative biotrophic root-colonizing fungi

    Ari Jumpponen;Ari Jumpponen;James M. Trappe

  • The Ascomycota Tree of Life: A Phylum-wide Phylogeny Clarifies the Origin and Evolution of Fundamental Reproductive and Ecological Traits

    Conrad L. Schoch;Gi Ho Sung;Francesc López-Giráldez;Jeffrey P. Townsend

  • Patterns and regulation of mycorrhizal plant and fungal diversity

    Edith B. Allen;Michael F. Allen;Dot J. Helm;James M. Trappe

  • The Endogonaceae in the Pacific Northwest

    Unknown

  • Selection of Fungi for Ectomycorrhizal Inoculation in Nurseries

    Unknown

  • Global diversity and distribution of macrofungi

    Gregory M. Mueller;John P. Schmit;Patrick R. Leacock;Bart Buyck

  • Patterns of Ectomycorrhizal Host Specificity and Potential among Pacific Northwest Conifers and Fungi

    Randy Molina;James M. Trappe

  • Phylogenetic relationships among ascomycetous truffles and the true and false morels inferred from 18S and 28S ribosomal DNA sequence analysis

    Kerry O'Donnell;Elizabeth Cigelnik;Nancy S. Weber;James M. Trappe

  • REACTIONS OF MYCORRHIZAL FUNGI AND MYCORRHIZA FORMATION TO PESTICIDES

    James M. Trappe;Randy Molina;Michael Castellano

  • The Seen and Unseen World of the Fallen Tree

    Unknown

  • The dawn of symbiosis between plants and fungi

    Martin I. Bidartondo;Martin I. Bidartondo;David J. Read;James M. Trappe;James M. Trappe;Vincent Merckx

  • Biology of the ectomycorrhizal genus, Rhizopogon

    Randy Molina;James M. Trappe

  • A global meta-analysis of Tuber ITS rDNA sequences: species diversity, host associations and long-distance dispersal.

    Gregory M. Bonito;Andrii P. Gryganskyi;James M. Trappe;Rytas Vilgalys

  • Molecular phylogenetics of the gomphoid-phalloid fungi with an establishment of the new subclass Phallomycetidae and two new orders.

    Kentaro Hosaka;Scott T. Bates;Ross E. Beever;Michael A. Castellano

  • Historical biogeography and diversification of Truffles in the Tuberaceae and their newly identified southern hemisphere sister lineage

    Gregory Bonito;Matthew E. Smith;Michael Nowak;Rosanne A. Healy

  • Multiple origins of sequestrate fungi related to Cortinarius (Cortinariaceae).

    Ursula Peintner;Neale L. Bougher;Michael A. Castellano;Jean-Marc Moncalvo

  • Mycorrhizal vs saprotrophic status of fungi: the isotopic evidence

    Erik A. Hobbie;Erik A. Hobbie;Nancy S. Weber;James M. Trappe

  • Ectomycorrhizal formation in Eucalyptus. I. Pure culture synthesis, host specificity and mycorrhizal compatibility with Pinus radiata

    Nicholas Malajczuk;Randy Molina;James M. Trappe

  • Mycorrhizal functioning of Phialocephala fortinii with Pinus contorta on glacier forefront soil: interactions with soil nitrogen and organic matter.

    A. Jumpponen;Kim G. Mattson;James M. Trappe

  • Characterization of ‘safe sites’ for pioneers in primary succession on recently deglaciated terrain

    Ari Jumpponen;Henry Väre;Kim G. Mattson;Rauni Ohtonen

  • Hypogeous fungal production in mature Douglas-fir forest fragments and surrounding plantations and its relation to coarse woody debris and animal mycophagy

    Michael Amaranthus;James M. Trappe;Larry Bednar;David Arthur

  • Foliar and fungal 15 N: 14 N ratios reflect development of mycorrhizae and nitrogen supply during primary succession: testing analytical models

    Erik A. Hobbie;Ari Jumpponen;Jim Trappe

  • LACK OF MYCORRHIZAL SPECIFICITY BY THE ERICACEOUS HOSTS ARBUTUS MENZIESII AND ARCTOSTAPHYLOS UV A‐URSI

    Randy Molina;James M. Trappe

  • Utilization of major detrital substrates by dark-septate, root endophytes'

    Bruce A. Caldwell;Ari Jumpponen;James M. Trappe

  • Fungus associates of ectotrophic mycorrhizae

    Unknown

  • STANDING CROP AND ANIMAL CONSUMPTION OF FUNGAL SPOROCARPS IN PACIFIC NORTHWEST FORESTS

    Malcolm North;James Trappe;Jerry Franklin

  • Mycorrhiza-plant colonization patterns on a subalpine glacier forefront as a model system of primary succession.

    Efrén Cázares;James M. Trappe;Ari Jumpponen

  • Ectomycorrhizal fungi in Eucalyptus and Pinus plantations in southern Brazil

    Admir J. Giachini;Veturia L. Oliveira;Michael A. Castellano;James M. Trappe

  • MYCORRHIZAE AND PRODUCTIVITY OF ARID AND SEMIARID RANGELANDS

    James M. Trappe

  • Root colonization of Lupinus latifolius Agardh. and Pinus contorta Dougl. by Phialocephala fortinii Wang & Wilcox

    T. E. O'dell;H. B. Massicotte;J. M. Trappe

  • Mycorrhizal chronosequence near Exit Glacier, Alaska

    D.J. Helm;E.B. Allen;J.M. Trappe

  • Food Reserves and Seasonal Growth of Douglas-Fir Seedlings

    Kenneth W. Krueger;James M. Trappe

  • Occurrence of ectomycorrhizal fungi on the forefront of retreating Lyman Glacier (Washington, USA) in relation to time since deglaciation

    Ari Jumpponen;James M. Trappe;Efren Cázares

Frequent Co-Authors

Andrew W. Claridge
Andrew W. Claridge University of New South Wales
Ari Jumpponen
Ari Jumpponen Kansas State University
Randy Molina
Randy Molina Oregon State University
Gregory Bonito
Gregory Bonito Michigan State University
Matthew E. Smith
Matthew E. Smith University of Florida
Rytas Vilgalys
Rytas Vilgalys Duke University
Gábor M. Kovács
Gábor M. Kovács Eötvös Loránd University
Erik A. Hobbie
Erik A. Hobbie University of New Hampshire
Joseph W. Spatafora
Joseph W. Spatafora Oregon State University
Nicholas Malajczuk
Nicholas Malajczuk Murdoch University

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