⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-298034, and has not been changed.
This name is a synonym of Haworthia attenuata var. radula (Jacq.) M.B.Bayer.
The record derives from WCSP which reports it as a synonym (record 298034) with original publication details: Observ. Bot. Hort. Dyck. 3: 3 1822.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:529947-1.