Pachycereus pringlei (S.Watson) Britton & Rose in Contr. U.S. Natl. Herb. 12: 422. 1909
Pachycereus pringlei in Contr. U.S. Natl. Herb. 12: 422. 1909
is new combination for Cereus pringlei in Proc. Amer. Acad. Arts 20: 368. 1885
Pachycereus pringlei in Contr. U.S. Natl. Herb. 12: 422. 1909