⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2705345, with some changes.
This name is a synonym of Castilleja exilis .
The record derives from WCSP (in review) which reports it as a synonym and as an illegitimate name with original publication details: Mem. New York Bot. Gard. 1: 354 1900.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:49738-2
.