Genetic differentiation among regional populations of Pityophthorus junglandis expressed as the average number of pairwise nucleotide differences (k) in a 627 bp stretch of COI (above the diagonal), and pairwise estimates of Φst (below the diagonal).

Estimates of Φst underlined in bold indicate population pairs for which Snn indicates significant differentiation (Sidak adjusted α = 0.00038). Row headings indicate sample sizes; column headings, number of haplotypes present in the population.Labels for population samples: BR = Bitterroot Ranges; CR = Cascade Ranges/Klamath River Basin; CRD = Columbia River Drainage; ES = Eastern Sierra Nevada; EB = Escalante Breaks; FR = Front Range; MSI = Madrean Sky Islands; N-CA = Northern California; OH = Ohio; PA = Pennsylvania; NRGV = Northern Rio Grande Valley; SM = Sacramento Mountains; S-CA = Southern California; TN = Tennessee; VA = Virginia; WR = Wasatch Range; W-NM = Western New Mexico.Genetic differentiation among regional populations of Pityophthorus junglandis expressed as the average number of pairwise nucleotide differences (k) in a 627 bp stretch of COI (above the diagonal), and pairwise estimates of Φst (below the diagonal).