(biology) Not living in the same territory; geographically isolated and thus unable to crossbreed.
2012, Paul Wilson, 1: Macroevolition for plant reproductive biologists, Sébastien Patiny, Evolution of Plant-Pollinator Relationships, page 20,
An exception that proves the rule is that the ranges of species in Selaginella, a heterosporous pteridophyte, tend to be much smaller and more allopatric (Valdespino 1993).
Mac + Safari
iPhone + iPad
Google Chrome
Mozilla Firefox
Opera
Microsoft Edge