Deer have different palates in different areas. I didn't save tags when I bought mine two years back so I don't know the cultivar, but here, my ninebark is deer salad. They ate it to the ground. However, bobbex works well here.
They list elderberry as deer proof as well, advertising it as such at the local nursery, yet it is their main course. But again, bobbex has been keeping them away. Though, they still come around and take a big bite before they realize they hate it and spit it out.