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Environmental niche model for Brassica rapa in Eurasia and northern Africa for mid-Holocene (∼6,000 YBP) climate conditions (A) and contemporary climate conditions (B). Darker areas indicated better niche fit for weedy Brassica rapa with black indicating highest habitat suitability and white indicating poorest habitat suitability. Orange pins indicate areas where individuals from the “Weedy CSI” clade were collected.
