Figure 4

The smoothed marginal posterior distributions of estimated parameters under the standard Isolation-with-Migration (IM) model estimated by MIMAR (μ=1.0 × 10−8 per site per generation, 50 years per generation). (a) P. glauca × P. breweriana, (b) P. mariana × P. breweriana and (c). P. glauca × P. mariana.