Black Walnut, Juglans nigra Categories Philip Madeley July 5, 2017 0 0 Share this post Black Walnut, Juglans nigra. Excelsior Alchemy: Vegan, Organic, Kosher, Non-GMO, Gluten-Free, cGMP Leave a Comments Cancel Reply Comment*Name * Email* Website : Notify me of new posts by email. This site uses Akismet to reduce spam. Learn how your comment data is processed. Notify me of new posts by email.