biostudies-literatureToivainen TAcademy of FinlandAcademy of Finland (Suomen Akatemia)European Research Council263https://www.ebi.ac.uk/biostudies/studies/S-EPMC12913768biostudies-literatureUnknown9(1)Genomes record past climatic impact on species' range shifts, admixture, refugial isolation, and adaptative evolution. However, these processes are poorly understood in perennial herbaceous species forming a dominant group of temperate flora. We present a demographic history of the perennial herb woodland strawberry (Fragaria vesca L.) reconstructed from 200 genomes spanning most of its European range. Temporal population structure reveals a strong division into western and eastern genetic clusters along a longitudinal climatic gradient, with eastern core populations showing greater resilience during glaciations. Divergence patterns indicate that postglacial recolonization of western and eastern Europe occurred from distinct refugia in multiple waves. The current largest, admixed populatioCommunications biologyThe Late Quaternary climate impact on the genome of the woodland strawberry (Fragaria vesca), a perennial herb.PMC12913768317306344726638134Pose DKirshner JSalonen JSLabokas JLyyski AVare HEdger PPOlbricht KAlbert VAAuvinen PJaakola LSalojarvi JLembinen SDe Kort HStenberg JAHytonen TSanchez-Sevilla JFDuralija BHilmarsson HSHallsson JHSargent DJToivainen TfalseThe Late Quaternary climate impact on the genome of the woodland strawberry (Fragaria vesca), a perennial herb.Genomes record past climatic impact on species' range shifts, admixture, refugial isolation, and adaptative evolution. However, these processes are poorly understood in perennial herbaceous species forming a dominant group of temperate flora. We present a demographic history of the perennial herb woodland strawberry (Fragaria vesca L.) reconstructed from 200 genomes spanning most of its European range. Temporal population structure reveals a strong division into western and eastern genetic clusters along a longitudinal climatic gradient, with eastern core populations showing greater resilience during glaciations. Divergence patterns indicate that postglacial recolonization of western and eastern Europe occurred from distinct refugia in multiple waves. The current largest, admixed populatio2026-01-01T00:00:00Z2026 Jan2026-07-16T06:33:51.98Z2026-07-09T10:39:17.185ZS-EPMC129137684153539010.1038/s42003-026-09539-5