⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2791464, and has not been changed.
This name is a synonym of Epiphyllum hookeri subsp. guatemalense (Britton & Rose) Ralf Bauer.
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Cact. Succ. J. (Los Angeles) 36: 110 1964.