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Widespread Triploidy in Western North American Aspen (Populus tremuloides)

Figure 5

Regression between ombrothermic index and proportion of triploids.

Data points represent the ploidy proportions mapped in Figure 1 and the ombrothermic index values mapped in Figure 4.

Figure 5

doi: https://doi.org/10.1371/journal.pone.0048406.g005