⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-297482, with some changes.
This name is a synonym of × Gasterhaworthia holtzei (Radl) Guillaumin.
The record derives from WCSP which reports it as a synonym (record 297482) with original publication details: Monatsschr. Kakteenk. 6: 24 1896.