⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-29206038, with some changes.
This name is a synonym of Castilleja densiflora var. gracilis .
The record derives from Tropicos which reports it as a synonym (record 29206038
) with original publication details: Proc. Amer. Acad. Arts 17: 229 229 1882.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:806542-1
.