Cereus tenuis De Candolle, Prodr. 3: 469. 1828
Cactus tenuis Schott (De Candolle, Prodr. 3: 469. 1828) was cited as a synonym of Cereus tenuis
Lepismium tenue Pfeiffer, Allg. Gartenz. 3: 315. 1835
All the above were treated as synonyms of Lepismium cruciforme in B&R 1923