ecospecies
/ˈiːkəʊˌspiːʃɪz/ /ˈɛkəʊˌspiːʃɪz/Biology
noun
Each of two or more populations of a species that can interbreed without a decline in fertility, though being distinct on ecological grounds such as in their range of distribution, usual habitat, morphology, or behaviour.
Origin
1920s. From eco- + species.