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  • Loren H. Rieseberg, John H. Willis
  • Medicine
  • Science
  • 2007 (First Publication: 17 August 2007)
  • Like the formation of animal species, plant speciation is characterized by the evolution of barriers to genetic exchange between previously interbreeding populations. Prezygotic barriers, whichExpand
  • Loren H. Rieseberg
  • Biology, Computer Science, Medicine
  • Trends in ecology & evolution
  • 2001 (First Publication: 1 July 2001)
  • Several authors have proposed that speciation frequently occurs when a population becomes fixed for one or more chromosomal rearrangements that reduce fitness when they are heterozygous. ThisExpand
  • Loren H. Rieseberg
  • Biology
  • 1997 (First Publication: 1 November 1997)
  • The origin of new homoploid species via hybridization is theoretically difficult because it requires the development of reproductive isolation in sympatry. Nonetheless, this mode is often andExpand
  • Troy E. Wood, Naoki Takebayashi, Michael S. Barker, Itay Mayrose, Philip B Greenspoon, Loren H. Rieseberg
  • Biology, Medicine
  • Proceedings of the National Academy of Sciences
  • 2009 (First Publication: 18 August 2009)
  • Since its discovery in 1907, polyploidy has been recognized as an important phenomenon in vascular plants, and several lines of evidence indicate that most, if not all, plant species ultimately haveExpand
  • Michael S. Barker, Nolan C Kane, +4 authors Loren H. Rieseberg
  • Medicine, Biology
  • Molecular biology and evolution
  • 2008 (First Publication: 1 November 2008)
  • Of the approximately 250,000 species of flowering plants, nearly one in ten are members of the Compositae (Asteraceae), a diverse family found in almost every habitat on all continents exceptExpand