⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record gcc-9382, and has not been changed.
This name is a synonym of Achillea erba-rotta subsp. rupestris (Porta) I.Richardson.
The record derives from TICA which reports it as a synonym (record 8B3C3EB1-0FD3-476C-942D-1185507EE1DC) with original publication details: 1879.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:174226-1.