This name is a synonym of Dudleya greenei Rose.
The record derives from WCSP (in review)
(data supplied on 2012-03-23)
which reports it as a synonym with original publication details: Cact. Succ. J. (Los Angeles) 4: 243 1932.
This name was in version 1 of The Plant List, record kew-2778964, and has not been changed.