Species and Range
At least some of the three species can hybridize in cultivation, but the ranges of wild populations do not overlap. The Colorado River and Green River produces a 260 km gap between the ranges of P. longaeva and P. aristata and the northern Owens Valley provides a 30 km gap between the ranges of P. longaeva and P. balfouriana.
Read more about this topic: Bristlecone Pine
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