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September 18, 2025Open Access

Time in sympatry correlates with the strength of reproductive isolation in hybridising Typha

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Authors

AAAlberto AlemanUniversity of DenverJFJoanna R. FreelandTrent UniversityMDMarcel E. DorkenTrent University

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Implication

Analysis reveals stronger reproductive isolation in European Typha species, suggesting sympatry impacts hybridisation outcomes.

Key Points

  • Prolonged sympatry appears to strengthen reproductive isolation among hybridising Typha species.
  • Demographic modelling indicates European species have been sympatric for ~800,000 years, while North American species' contact is more recent.
  • Identification of 47 candidate barrier loci in Europe, with 6 associated with reproductive functions, highlights ecological differences.
  • Findings suggest management of Typha dispersal is essential to prevent hybridisation and protect species integrity.

Cite This Study

Aleman et al. (2025) studied this question.

synapsesocial.com/papers/68d462c131b076d99fa61f2ahttps://doi.org/10.1101/2025.09.12.675895
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