⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2489164, and has not been changed.

Sempervivum marmoreum subsp. ballsii (Wale) Zonn. is a synonym of Sempervivum marmoreum Griseb.

This name is a synonym of Sempervivum marmoreum Griseb..

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Succulenta (Netherlands) 78: 92 1999.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:1010502-1.