Daniel J. Crawford

Daniel J. Crawford 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 Daniel J. Crawford sits on this spectrum.

Daniel J. Crawford 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 Daniel J. Crawford sits on this spectrum.

Best Publications

• Chloroplast DNA phylogeny, reticulate evolution, and biogeography of Paeonia (Paeoniaceae).

  Tao Sang;Daniel J. Crawford;Tod F. Stuessy

  1854
  Citations

• Documentation of reticulate evolution in peonies (Paeonia) using internal transcribed spacer sequences of nuclear ribosomal DNA: implications for biogeography and concerted evolution

  Tao Sang;Daniel J. Crawford;Tod F. Stuessy

  867
  Citations

• Clonal diversity in the rare Calamagrostis porteri ssp. insperata (Poaceae): comparative results for allozymes and random amplified polymorphic DNA (RAPD) and intersimple sequence repeat (ISSR) markers

  E. J. Esselman;L. Jianqiang;D. J. Crawford;J. L. Windus

  535
  Citations

• Conservation of oceanic island floras: present and future global challenges.

  Juli Caujapé-Castells;Alan Tye;Daniel J. Crawford;Arnoldo Santos-Guerra

  440
  Citations

• Plant genetic diversity in the Canary Islands: a conservation perspective

  Javier Francisco-Ortega;Arnoldo Santos-Guerra;Seung-Chul Kim;Daniel J. Crawford

  413
  Citations

• Phylogeny and Systematics of Lemnaceae, the Duckweed Family

  Donald H. Les;Daniel J. Crawford;Daniel J. Crawford;Elias Landolt;John D. Gabel

  330
  Citations

• Timing the Eastern Asian–Eastern North American Floristic Disjunction: Molecular Clock Corroborates Paleontological Estimates

  Qiu-Yun Xiang;Douglas E. Soltis;Pamela S. Soltis;Steven R. Manchester

  276
  Citations

• A common origin for woody Sonchus and five related genera in the Macaronesian islands: molecular evidence for extensive radiation

  Seung-Chul Kim;Daniel J. Crawford;Javier Francisco-Ortega;Arnoldo Santos-Guerra

  275
  Citations

• Enzyme Electrophoresis and Plant Systematics

  Daniel J. Crawford

  251
  Citations

• Radiation of the endemic genus Dendroseris (Asteraceae) on the Juan Fernandez Islands: evidence from sequences of the its regions of nuclear ribosomal DNA

  Tao Sang;Daniel J. Crawford;Sueng-Chul Kim;Tod F. Stuessy

  228
  Citations

• Breeding System and pollination of selected plants endemic to Juan Fernandez Islands.

  Gregory J. Anderson;Gabriel Bernardello;Tod F. Stuessy;Daniel J. Crawford

  215
  Citations

• Allozyme Divergence and Evolution in Tetramolopium (Compositae: Astereae) on the Hawaiian Islands

  Timothy K. Lowrey;Daniel J. Crawford

  213
  Citations

• A survey of floral traits, breeding systems, floral visitors, and pollination systems of the angiosperms of the Juan Fernández islands (Chile)

  Gabriel Luis Mario Bernardello;Gregory J. Anderson;Tod F. Stuessy;Daniel J. Crawford

  209
  Citations

• BIOGEOGRAPHY OF DISCONTINUOUSLY DISTRIBUTED HYDROPHYTES: A MOLECULAR APPRAISAL OF INTERCONTINENTAL DISJUNCTIONS

  Donald H. Les;Daniel J. Crawford;Rebecca T. Kimball;Michael L. Moody

  185
  Citations

• ITS Sequences and the Phylogeny of the Genus Robinsonia (Asteraceae)

  Tao Sang;Daniel J. Crawford;Tod F. Stuessy;O Mario Silva

  171
  Citations

• Molecular Phylogenetic Insights on the Origin and Evolution of Oceanic Island Plants

  Bruce G. Baldwin;Daniel J. Crawford;Javier Francisco-Ortega;Seung-Chul Kim

  154
  Citations

• ORIGIN AND BIOGEOGRAPHY OF AESCULUS L. (HIPPOCASTANACEAE): A MOLECULAR PHYLOGENETIC PERSPECTIVE.

  Qiu Yun Xiang;Daniel J. Crawford;Andrea D. Wolfe;Yan Cheng Tang

  145
  Citations

• Inferring phylogeny at low taxonomic levels: utility of rapidly evolving cpDNA and nuclear ITS loci

  Mark E. Mort;Jenny K. Archibald;Christopher P. Randle;Nicholas D. Levsen

  139
  Citations

• Ribosomal DNA and RAPD variation in the rare plant family Lactoridaceae

  Soren Brauner;Daniel J. Crawford;Tod F. Stuessy

  138
  Citations

• Interpretation of patterns of genetic variation in endemic plant species of oceanic islands.

  Tod F. Stuessy;Koji Takayama;Patricio López‐Sepúlveda;Daniel J. Crawford

  137
  Citations