Paul H. Williams

Paul H. Williams 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 Paul H. Williams sits on this spectrum.

Paul H. Williams 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 Paul H. Williams sits on this spectrum.

Research.com Recognitions

• 1995 - Fellow of the American Association for the Advancement of Science (AAAS)

Best Publications

• Host Specific Social Parasites ( Psithyrus ) Indicate Chemical Recognition System in Bumblebees

  Stephen J. Martin;Jonathan M. Carruthers;Paul H. Williams;Falko P. Drijfhout

  722
  Citations

• Bumblebee vulnerability and conservation world-wide

  Paul H. Williams;Juliet L. Osborne

  715
  Citations

• Black rot: a continuing threat to world crucifers.

  Paul H. Williams

  573
  Citations

• Brassica taxonomy based on nuclear restriction fragment length polymorphisms (RFLPs) : 2. Preliminary analysis of subspecies within B. rapa (syn. campestris) and B. oleracea.

  K. M. Song;T. C. Osborn;P. H. Williams

  572
  Citations

• A comprehensive phylogeny of the bumble bees (Bombus)

  S. A. Cameron;H. M. Hines;P. H. Williams

  448
  Citations

• Planning for Climate Change: Identifying Minimum-Dispersal Corridors for the Cape Proteaceae

  Paul Williams;Lee Hannah;Sandy Andelman;Guy Midgley

  424
  Citations

• Rapid-cycling populations of Brassica

  Paul H. Williams;Curtis B. Hill

  402
  Citations

• A simplified subgeneric classification of the bumblebees (genus Bombus)

  Paul H. Williams;Sydney A. Cameron;Heather M. Hines;Bjorn Cederberg

  301
  Citations

• The distribution of bumblebee colour patterns worldwide: possible significance for thermoregulation, crypsis, and warning mimicry

  Paul Williams

  247
  Citations

• RFLP mapping of Brassica napus using doubled haploid lines.

  M. E. Ferreira;P. H. Williams;T. C. Osborn

  219
  Citations

• Unveiling cryptic species of the bumblebee subgenus Bombus s. str. worldwide with COI barcodes (Hymenoptera: Apidae)

  Paul H Williams;Mark J F Brown;James C Carolan;Jiandong An

  213
  Citations

• Mapping loci controlling vernalization requirement and flowering time in Brassica napus.

  M. E. Ferreira;J. Satagopan;B. S. Yandell;P. H. Williams

  206
  Citations

• Glucosinolates in crucifer vegetables: broccoli, brussels sprouts, cauliflower, collards, kale, mustard greens, and kohlrabi

  D.G. Carlson;M.E. Daxenbichler;C.H. VanEtten;W.F. Kwolek

  193
  Citations

• Bumblebee vulnerability: common correlates of winners and losers across three continents.

  Paul Williams;Sheila Colla;Zhenghua Xie

  190
  Citations

• An evaluation of Fusarium oxysporum from crucifers based on pathogenicity, isozyme polymorphism, vegetative compatibility, and geographic origin

  Unknown

  168
  Citations

• Mapping loci controlling Brassica napus resistance to Leptosphaeria maculans under different screening conditions.

  M. E. Ferreira;S. R. Rimmer;P. H. Williams;T. C. Osborn

  165
  Citations

• Colour Patterns Do Not Diagnose Species: Quantitative Evaluation of a DNA Barcoded Cryptic Bumblebee Complex

  James C. Carolan;Tomás E. Murray;Tomás E. Murray;Úna Fitzpatrick;John Crossley

  160
  Citations

• Global decline of bumblebees is phylogenetically structured and inversely related to species range size and pathogen incidence.

  Marina Paula Arbetman;Gabriela Laura Gleiser;Carolina Laura Morales;Paul Williams

  143
  Citations

• Centres of seed-plant diversity : the family way

  Paul H. Williams;Chris J. Humphries;Kevin J. Gaston

  138
  Citations

• The bumblebees of Sichuan (Hymenoptera: Apidae, Bombini)

  Paul Williams;Ya Tang;Jian Yao;Sydney Cameron

  126
  Citations

• Biology of Leptosphaeria maculans

  Paul H. Williams

  99
  Citations

• Mapping of a locus controlling resistance to Albugo candida in Brassica napus using molecular markers.

  M. E. Ferreira;P. H. Williams;T. C. Osborn

  76
  Citations

• The exploration of genetic resources of Portuguese cabbage and kale for resistance to several Brassica diseases

  António A. Monteiro;Paul H. Williams

  60
  Citations

• Fast plants for finer science—an introduction to the biology of rapid-cycling Brassica campestris (rapa) L.

  Stephen P. Tomkins;Paul H. Williams

  31
  Citations

• Dwarf mutants of Brassica : Responses to applied gibberellins and gibberellin content

  Karen P. Zanewich;Stewart B. Rood;Carol E. Southworth;Paul H. Williams

  29
  Citations

• Multiple-pathogen inoculation of cucumber (Cucumis sativus) seedlings

  A. J. Wyszogrodzka;P. H. Williams;C. E. Peterson

  16
  Citations

• Search for resistance to gummy stem blight (Didymella bryoniae) in cucumber (Cucumis sativus L.)

  Anna J. Wyszogrodzka;Paul H. Williams;Clinton E. Peterson

  15
  Citations

• A toothpick method for mating Leptosphaeria maculans, the causal agent of blackleg of crucifers

  A. Mengistu;C. B. Hill;P. H. Williams

  10
  Citations

• Selection for resistance to Plasmodiophora brassicae Wor . in oriental subspecies of Brassica rapa L.

  Christopher B. Miller;Paul H. Williams

  7
  Citations

• Chemistry and Breeding of Cruciferous Vegetables

  Paul H. Williams

  6
  Citations

• EVALUATION OF RAPID CYCLING BRASSICA AS A CANDIDATE OILSEED CROP FOR CONTROLLED ECOLOGICAL LIFE SUPPORT SYSTEMS

  Jay Frick;Manette A. Schonfeld;Paul H. Williams;Cary A. Mitchell

  1
  Citations