tracia7, thats American Black Walnut. A very beautiful species. We just several similar floors to other Houzz users. Let me know if you have any questions about Black Walnut.

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Thank you for asking Tracia. Oak and Broad is correct this flooring is Black Walnut. This particular flooring came from Elmwood Reclaimed Timber. Here is the link to their website.Elmwood Reclaimed Timber. Let us know if you have any more questions about this project, we are happy to help.