⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2740387, with some changes.
This name is a synonym of Umbilicus rupestris (Salisb.) Dandy.
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Consp. Fl. Graec. 1: 577 1901.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:272903-1.