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Species tree with current distribution and historical environmental niche modeling. (A) Species tree of wild and cultivar samples. Bootstrap support indicated above branches. (B) Current species distribution of wild relatives. (C) Suitable habitat for B. cretica and (D) B. hilarionis during the late-Holocene. Map of current distrubution provided by Elizabeth Gjieli, the Geographical Information Manager at the New York Botanical Garden GIS Laboratory.
