Board Thread:General Discussion/@comment-12776-20141204051237/@comment-5426290-20141204081618

Oh, you mean it in that way. I thought that even if they aren't races of themselves, if they have high chances of birthing the original species but CAN birth the same kind of mutants they can be regarded to as a subspecies.

Read the hobgoblin page, she is a mutant that can birth normal goblins, but she is still a subspecies.