Library of Congress, 2017 Library of Congress, 2017 source Yams come from Asia and Africa, Library of Congress, 2017 Everyday Mysteries: Sweet Potato or Yam? http://www.loc.gov/rr/scitech/mysteries/sweetpotato.html http://www.loc.gov/rr/scitech/mysteries/sweetpotato.html http://www.loc.gov/rr/scitech/mysteries/sweetpotato.html Everyday Mysteries related http://www.loc.gov/rr/scitech/mysteries/sweetpotato.html Library of Congress Library of Congress, 2017 Library of Congress, 2017 does require http://www.loc.gov/rr/scitech/mysteries/sweetpotato.html they’re really sweet potatoes The Library of Congress: Everyday Mysteries Library of Congress "What is the difference between sweet potatoes and yams?" http://www.loc.gov/rr/scitech/mysteries/sweetpotato.html a difference http://www.loc.gov/rr/scitech/mysteries/sweetpotato.html Library of Congress Library of Congress Sweet Potato or Yam? (https://www.loc.gov/rr/scitech/mysteries/sweetpotato.html) https://www.loc.gov/rr/scitech/mysteries/sweetpotato.html Library of Congress http://www.loc.gov/rr/scitech/mysteries/sweetpotato.html http://www.loc.gov/rr/scitech/mysteries/sweetpotato.html what we think of as yams https://www.loc.gov/rr/scitech/mysteries/sweetpotato.html the Library of Congress Library of Congress, 2017 Multiple yam Library of Congress, 2017 Library of Congress, 2017 http://www.loc.gov/rr/scitech/mysteries/sweetpotato.html https://www.loc.gov/rr/scitech/mysteries/sweetpotato.html (https://www.loc.gov/rr/scitech/mysteries/sweetpotato.html) Library of Congress yams and sweet potatoes Yams The Library of Congress Yams and sweet potatoes are completely different vegetables Library of Congress: Everyday Mysteries Library of Congress http://www.loc.gov/rr/scitech/mysteries/sweetpotato.html Library of Congress Library of Congress, 2017 Library of Congress Library of Congress http://www.loc.gov/rr/scitech/mysteries/sweetpotato.html Difference between yams and sweet potatoes. Library of Congress Library of Congress Library of Congress Library of Congress source yellow, red, brown, purple, and even white different "Everyday Mysteries: Yam" distinguish The Library of Congress http://www.loc.gov/rr/scitech/mysteries/sweetpotato.html technically Library of Congress yams and sweet potatoes Yams and sweet potatoes are completely different vegetables Library of Congress Library of Congress: Everyday Mysteries http://www.loc.gov/rr/scitech/mysteries/sweetpotato.html Multiple "What is the difference between sweet potatoes and yams?" Library of Congress Library of Congress yam http://www.loc.gov/rr/scitech/mysteries/sweetpotato.html http://www.loc.gov/rr/scitech/mysteries/sweetpotato.html Library of Congress "Everyday Mysteries: Yam" Library of Congress http://www.loc.gov/rr/scitech/mysteries/sweetpotato.html http://www.loc.gov/rr/scitech/mysteries/sweetpotato.html https://www.loc.gov/rr/scitech/mysteries/sweetpotato.html USDA requires labels identifying sweet potatoes as yams related Library of Congress, 2017 Library of Congress Difference between yams and sweet potatoes. Library of Congress varieties U.S. Department of Agriculture http://www.loc.gov/rr/scitech/mysteries/sweetpotato.html Library of Congress http://www.loc.gov/rr/scitech/mysteries/sweetpotato.html Library of Congress http://www.loc.gov/rr/scitech/mysteries/sweetpotato.html