⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-277507, and has not been changed.
This name is a synonym of Haworthia arachnoidea var. nigricans .
The record derives from WCSP which reports it as a synonym (record 277507
) with original publication details: Cact. Succ. J. Gr. Brit. 8: 19 1939.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:536246-1
.