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Re: collection locations (was: rachovii) need direction
>. In many cases we are not talking about different species
>anyway, but reproductively isolated populations within the same species.
But you'd have to have pretty close to a 100% sorting rate. What seems
much more likely is that there is some consistent selective or
environmental gradient that maintains the phenotypic diversity. It's
pretty hard to demonstrate reproductive isolation in the species sense.
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