⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-29206034, with some changes.

Orthocarpus columbinus M.E. Jones is a synonym of Castilleja campestris (Benth.) T.I.Chuang & Heckard

This name is a synonym of Castilleja campestris (Benth.) T.I.Chuang & Heckard.

The record derives from Tropicos which reports it as a synonym (record 29206034) with original publication details: Contr. W. Bot. 8: 37-38 37 1898.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:176727-2.