This name is a synonym of Crassula schimperi Fisch. & C.A.Mey..
The record derives from Tropicos
(data supplied on 2012-04-18)
which reports it as a synonym (record 8903273) with original publication details: Revis. Gen. Pl. 3(3): 85 1898.
This name was in version 1 of The Plant List, record tro-8903273.