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Fig. 2 | BMC Plant Biology

Fig. 2

From: Natural hybridization and asymmetric introgression at the distribution margin of two Buddleja species with a large overlap

Fig. 2

Haplotype networks for gapC1 (a), gapC2 (b), defA (c), fl1 (d) and nrETS (e). Pink, blue and green circles represent haplotypes of B. officinalis, B. crispa and their putative hybrid. Small red circles represent hypothetical or unsampled haplotypes. The number of mutations separating two haplotypes is indicated by the length of the connecting lines unless the number was shown on the line

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