There are many domestic and imported wood species used for wood flooring. The most common of these are Red Oak, White Oak, Maple, Pine and Hickory/Pecan. Other domestic woods that make beautiful flooring are: Ash, Beech, Birch, Black Cherry, Douglas Fir, Mesquite and Walnut. If you are looking for something more exotic, ask us or a professional licensed contractor/dealer in your local area about these imported woods: Brazilian Cherry, Australian Cypress, Jarrah, Mahogany, Merbau, Padauk, Purpleheart, Teak, Wenge, and many, many others. And for those interested in reading about the many species, try this link for hard and soft wood species. http://en.wikipedia.org/wiki/List_of_woods
Wood Samples of these aforementioned species
There are obviously many more species available for hardwood flooring, google photos of wood flooring species and inquiry about that species for more information.