Selecting your species of wood combines design and durability concerns. Smartplank has an unlimited offering of species. If you look at the the Janka Hardness Scale, you will notice a very large disparity from top to bottom of this scale. Just remember that no matter how hard the wood you decide on, it will still dent and distress. When you choose a hardwood floor for your project, it is like putting a piece of furniture underfoot. It is important to set your expectations properly.