⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2716307, with some changes.

Cheiranthus × helveticus Jacq. is a synonym of Erysimum × cheiri (L.) Crantz

This name is a synonym of Erysimum × cheiri (L.) Crantz.

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Hort. Bot. Vindob. 3: 9 1776.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:280994-1.