Independent allopatric polyploidizations shaped the geographical structure and initial stage of reproductive isolation in an allotetraploid fern, Lepisorus nigripes (Polypodiaceae)

• Tao Fujiwara ,

  Contributed equally to this work with: Tao Fujiwara, Yasuyuki Watano

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Writing – original draft

  * E-mail: taofujiwara@gmail.com

  Affiliations Center for Integrative Conservation, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Mengla, Yunnan, China, Department of Biology, Graduate School of Science, Chiba University, Chiba, Japan

  http://orcid.org/0000-0002-9397-2831

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• Yasuyuki Watano

  Contributed equally to this work with: Tao Fujiwara, Yasuyuki Watano

  Roles Conceptualization, Formal analysis, Funding acquisition, Supervision, Writing – review & editing

  Affiliation Department of Biology, Graduate School of Science, Chiba University, Chiba, Japan

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