Michhuacatlaca.

Michihuacatlaca = the Michoaca people (Nombre de Dios, Durango, late-sixteenth cent.)
Beyond the Codices, eds. Arthur J.O. Anderson, Frances Berdan, and James Lockhart (Los Angeles: UCLA Latin American Center, 1976), Doc. 23, 128–129.

Also called the Michhuaque:
auh ca yncotoncahuan yn michhuaque yn Mexica, yhuan yn Mallinalca = And the Michhuaque were a subdivision of the Mexica and the Malinalca.
Codex Chimalpahin: Society and Politics in Mexico Tenochtitlan, Tlatelolco, Culhuacan, and Other Nahuatl Altepetl in Central Mexico; The Nahuatl and Spanish Annals and Accounts Collected and Recorded by don Domingo de San Antón Muñón Chimalpahin Quauhtlehuanitzin, eds. and transl. Arthur J. O. Anderson and Susan Schroeder (Norman: University of Oklahoma Press, 1997), vol. 1, 186–187.