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Population and genotypic dynamics of common evening primrose (O. biennis) in replicate experimental evolution field populations. Populations fell dormant beginning in 2012, and the soil was disturbed in autumn of 2016. (A) Population sizes in the ambient insect (control) versus insect suppression treatments. Note that the y-axis is on a log scale. (Inset) O. biennis flowering in a resurrected plot, August 2017. (B) Genotypic richness over time. Shown are means ± SE.
