⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2800411, with some changes.

Erysimum pycnophyllum J.Gay is a synonym of Erysimum thyrsoideum Boiss.

This name is a synonym of Erysimum thyrsoideum Boiss..

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Erysim. Nov. 3 1842.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:284113-1.