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There's a partial listing. All in all there are over 450 different strains and breeds of cannabis pure or mixed from three different species known as Sativa, Indica and ruderellis. These 450+ strains were all bred from only 6 different original strains known as landrace strains. It is belived cannabis was here long before humans possibly before prehistoric times. And no I'm not a walking encylcopedia I just like to think I am.