⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2704835, with some changes.

Castilleja affinis subsp. insularis (Eastw.) Munz 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: Aliso 4: 97 1958.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:49380-2.