Assertion: black walnut | /r/AtLocation | north america
Facets:
Source sentences:
text: The Black Walnut is native to North America.
text: Black Walnut is native to North America and does well in the South in well-drained soil.
text: While black walnut is native to North America, English walnuts, also called Persian walnuts, have their origins in the Middle East.
text: The black walnut is native to North America and was used by the Indians as a source of food and dye for thousands of years.