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Sampling sites (N = 102) in 2013 and 2014. Diploid (2×), tetraploid (4×) and mixed populations are shown in yellow squares, blue squares and white triangles respectively. Vegetation relevés without Ranunculus kuepferi taken from the Alps vegetation database are given in brown dots (R.k. absent). Distribution range of Ranunculus kuepferi is coloured in green (R.k. range).
