Cereus schumannii Mathsson ex K.Schum. in Monatsschr. Kakteenk. 9: 131. 1899
Cereus schumannii in Monatsschr. Kakteenk. 9: 131. 1899
is basionym for Pachycereus schumannii in Ceiba 42: 16. 2001
is basionym for Stenocereus laevigatus var. schumannii in Calyx 5: 101. 1996
is basionym for Lemaireocereus schumannii in Contr. U.S. Natl. Herb. 12: 425. 1909
is basionym for Rathbunia laevigata var. schumannii in Calyx 2: 104. 1992