Disocactus speciosus (Cav.) Barthlott subsp. speciosus in Bradleya 9: 87. 1991 sec. Hunt 2016
- =Cactus speciosissimus Desf. in Mém. Mus. Hist. Nat. 3: 193. 1817 syn. sec. Bauer 2003
- =Cereus speciosissimus (Desf.) DC., Prodr. 3: 468. 1828 syn. sec. Bauer 2003
- =Cereus schrankii Zucc. ex Seitz in Allg. Gartenzeitung 2: 244. 1834 syn. sec. Bauer 2003
- =Cereus coccineus Salm-Dyck ex Pfeiff., Enum. Diagn. Cact.: 122. 1837 syn. sec. Guzmán 2009
- =Cereus superbus C. Ehrenb. in Bot. Zeitung 4: 324. 1846 syn. sec. Bauer 2003
- =Cereus speciosus (Cav.) K. Schum., Nat. Pflanzenfam. [Engler & Prantl] 3(6a): 179. 1894 syn. sec. Bauer 2003
- =Cereus amecamensis Heese ex Rother, Prakt. Ratgeber Obst-Gartenbau. 11: 442. 1896 syn. sec. Bauer 2003
- =Heliocereus amecamensis (Heese ex Rother) Britton & Rose in Contr. U.S. Natl. Herb. 12: 433. 1909 syn. sec. Bauer 2003
- =Heliocereus coccineus (Salm-Dyck ex Pfeiff.) Britton & Rose in Contr. U.S. Natl. Herb. 12: 433. 1909 syn. sec. Bauer 2003
- =Heliocereus schrankii (Zucc. ex Seitz) Britton & Rose in Contr. U.S. Natl. Herb. 12(10): 434. 1909 syn. sec. Bauer 2003
- =Heliocereus schrankii (Zucc. ex Seitz) Britton & Rose subsp. schrankii in Contr. U.S. Natl. Herb. 12(10): 434. 1909 syn. sec. ???
- =Heliocereus speciosus (Cav.) Britton & Rose in Contr. U.S. Natl. Herb. 12(10): 434. 1909 syn. sec. Bauer 2003
- =Heliocereus speciosus (Cav.) Britton & Rose subsp. speciosus in Contr. U.S. Natl. Herb. 12(10): 434. 1909 syn. sec. ???
- =Cereus serratus Weing. in Monatsschr. Kakteenk. 22: 185. 1912 syn. sec. Bauer 2003
- =Heliocereus elegantissimus Britton & Rose, Cactaceae (Britton & Rose) 2: 127. 1920 syn. sec. Bauer 2003
- =Cereus elegantissimus (Britton & Rose) A. Berger, Kakteen (Berger): 131. 1929 syn. sec. Bauer 2003
- =Heliocereus serratus (Weing.) F.M. Knuth, Kaktus-ABC: 310. 1936 syn. sec. Bauer 2003
- =Heliocereus speciosissimus (DC.) Y. Itô, Cacti (Tokio): 146. 1952 syn. sec. Bauer 2003
- =Heliocereus speciosus var. elegantissimus (Britton & Rose) Backeb., Cactaceae (Backeberg) 4: 2121. 1960 syn. sec. Bauer 2003
- =Heliocereus speciosus var. serratus (Weing.) Backeb., Cactaceae (Backeberg) 4: 2121. 1960 syn. sec. Bauer 2003
- =Heliocereus speciosus var. superbus (C. Ehrenb.) Backeb., Cactaceae (Backeberg) 4: 2120. 1960 syn. sec. Bauer 2003
- =Heliocereus elegantissimus var. stenopetalum Bravo in Cact. Succ. J. (Los Angeles) 38: 3. 1966 syn. sec. Bauer 2003
- =Heliocereus speciosus var. amecamensis (Heese ex Rother) Bravo in Cact. Suc. Mex. 19: 47. 1974 syn. sec. Bauer 2003
- =Heliocereus elegantissimus var. helenae Scheinvar in Phytologia 49: 317. 1981 syn. sec. Bauer 2003
- =Heliocereus luzmariae Scheinvar in Cact. Succ. J. (Los Angeles) 57: 268. 1985 syn. sec. Bauer 2003
- =Disocactus schrankii (Zucc. ex Seitz) Barthlott in Bradleya 9: 87. 1991 syn. sec. Hunt 2016
- =Disocactus speciosus f. amecamensis (Heese ex Rother) Barthlott in Bradleya 9: 87. 1991 syn. sec. Bauer 2003
- =Heliocereus schrankii var. helenae (Scheinvar) Kimnach in Cact. Succ. J. (Los Angeles) 68: 217. 1996 syn. sec. Bauer 2003
- =Heliocereus schrankii subsp. helenae (Scheinvar) Doweld in Sukkulenty 4: 42. 2002 syn. sec. Bauer 2003
- =Heliocereus schrankii subsp. stenopetalus (Bravo) Doweld in Sukkulenty 4: 42. 2002 syn. sec. Bauer 2003
- =Heliocereus speciosus subsp. amecamensis (Heese ex Rother) Doweld in Sukkulenty 4: 41. 2002 syn. sec. Bauer 2003
- =Heliocereus schrankii subsp. luzmariae (Scheinvar) U. Guzmán in Cactaceae Syst. Init. 16: 17. 2003 syn. sec. Bauer 2003
- –Heliocereus schrankii var. stenopetalus (Bravo) Kimnach in Cact. Succ. J. (Los Angeles) 68: 217. 1996, nom. inval. syn. sec. Bauer 2003