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Median-joining networks for (A) 55 cpDNA haplotypes and (B) 48 ITS haplotypes in the genus Notopterygium. Each color denotes the four species in Notopterygium Boissieu, where green indicates N. incisum, yellow indicates N. franchetii, blue indicates N. oviforme, and red indicates N. forrestii. The numbers on the branches indicate the number of steps separating adjacent haplotypes.
