⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2705385, and has not been changed.

Castilleja villicaulis Pennell & Ownbey is a synonym of Castilleja thompsonii Pennell

This name is a synonym of Castilleja thompsonii Pennell.

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Proc. Acad. Nat. Sci. Philadelphia 99: 177 1947.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:49764-2.