⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2704975, with some changes.

Castilleja douglasii var. contentiosa J.F.Macbr. is a synonym of Castilleja affinis Hook. & Arn.

This name is a synonym of Castilleja affinis Hook. & Arn..

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Contr. Gray Herb. 65: 44 1922.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:49475-2.