Abstract
Convergent Evolution Species in the same habitat may be only distantly related but yet share the need to adapt to environmental extremes. Yeaman et al. examined the underlying genetics of local environmental adaptation in lodgepole pine and interior spruce, which diverged over 140 million years ago (see the Perspective by Hancock). A suite of duplicated genes, which exhibited the hallmark of selection, were associated with cold tolerance in both species. Adaptations to climate may therefore be genetically constrained, even among distantly related species. Science , this issue p. [1431][1]; see also p. [1362][2] [1]: /lookup/doi/10.1126/science.aaf7812 [2]: /lookup/doi/10.1126/science.aai8284
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