Some historians believe that a few of these ancient Pacific travelers reached as far as the Peruvian coast in South America and that on their return journey, they introduced the South American sweet potato to the Pacific.
Beberapa sejarawan berpendapat bahwa segelintir penjelajah Pasifik zaman dahulu ini berlayar hingga sejauh pesisir Peru di Amerika Selatan dan bahwa dalam perjalanan pulangnya, mereka membawa ubi jalar Amerika Selatan ke Pasifik.