Even tho they are the same they might be different in health.
I have three different Longue D'Out and they all came under different names ,and each one of them ,resist my climate,some better,some not so good.
I have one from Canada,one from Niagara region,and one from Carmelitana ,Italy.
Out of them all so far the one from Carmelitana is totally healthy,and resist Winter best,the other 2 show a few signs of mottling leaves in some years.
I keep all three,because the fruits are delicious an all.