⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-29200097, with some changes.

Orthocarpus castillejoides Benth. is a synonym of Castilleja ambigua Hook. & Arn.

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

The record derives from Tropicos which reports it as a synonym (record 29200097) with original publication details: Scroph. Ind. 13 13 1835.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:806507-1.