Dunn - 22947 - Mexico

Engelmann - s.n. - Mexico

Flores Franco - 2592 - Mexico

Gómez-Hinostrosa - 2003 - Mexico

Griffiths - 7714 - Mexico

Harmon - 1289 - Mexico

Jones - 240 - Mexico

Pachycereus pecten-aboriginum

Palmer - s.n. - Mexico

Trelease - 81 - Mexico