Abstract
Premise of research. Understanding how various organisms respond to previous changes in climate could provide insight into how they may respond or adapt to the current changes. Conopholis americana has a broad distribution across eastern North America, covering both previously glaciated and unglaciated regions. In this study, we investigated the postglacial history and phylogeographic structure of this parasitic plant species to characterize its genetic variation and structure and to identify the number and locations of refugia.Methodology. Molecular data from 10 microsatellite markers and DNA sequences from the plastid gene/introns (clpP) were obtained for 281 individuals sampled from 75 populations spanning the current range of the species in eastern North America and analyzed using a variety of phylogeographic methods. Distribution modeling was carried out to determine regions with relatively suitable climate niches for populations at the Last Glacial Maximum (LGM) and present.Pivotal results. We infer...
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