Popol Vuh makes reference to "white corn" and "yellow corn" as being among the Quiché Maya.
Popol Vuh: The Definitive Edition of the Mayan Book of the Dawn of Life and the Glories of Gods and Kings (trans. Dennis Tedlock; New York: Touchstone, 1985), 145
And here is the beginning of the conception of humans, and of the search for the ingredients of the human body. So they spoke, the Bearer, Begetter, the Makers, Modelers named Sovereign Plumed Serpent:
“The dawn approached, preparations have been made and morning has come for the provider, nurturer, born in the light, begotten in the light. Morning has come for humankind, for the people of the face of the earth,” they said. It all came together as they went on thinking in the darkness, in the night, as they searched and they sifted, they thought and they wondered.
And there their thoughts came out in clear light. They sought and discovered what was needed for human flesh. It was only a short while before the sun, moon, and stars were to appear above the Makers and modelers. Split Place, Bitter Water Place is the name: the yellow corn, white corn came from there.
And these are the names of the animals who brought the food: fox, coyote, parrot, crow. They were four animals who brought the news of the ears of yellow corn and white corn. They were coming from over there at Split Place, they showed the way to the split.