Fig. 2
From: Population cytotype structure in the polyploid Galax urceolata (Diapensiaceae)
Distribution of populations of Galax urceolata in south-eastern United States (n = 42) as a function of the frequency of diploids (solid bars) (χ2 = 8.4, d.f. = 4, P < 0.01) and frequency of tetraploids (open bars) (χ2 = 8.2, d.f. = 4, P < 0.01).
