⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2704840, with some changes.

Castilleja agrestis Pennell is a synonym of Castilleja scorzonerifolia Kunth

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Fieldiana, Bot. 28: 519 1953.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:49382-2.