Molecular phylogeography and historical demography of a widespread herbaceous species from eastern North America, Podophyllum peltatum.
Chenxi WangZhao-Yan YapPenglei WanKuangqi ChenRyan A FolkDixie Z DamrelWayne BargerAlvin DiamondCharles N HornGarrie P LandryTharanga SamarakoonStephanie HarveyDavid R MorganYing-Xiong QiuPan LiPublished in: American journal of botany (2023)
Our findings indicate that geographic barriers may have started to facilitate the population divergence in P. peltatum before the Pleistocene. Persistence in multiple refugia, including areas around the central Appalachians during the Quaternary glacial period, and subsequent expansions under hospitable climatic condition, especially westward expansion, are likely responsible for the species' contemporary genetic structure and phylogeographic pattern.