⚠ Version 1 of The Plant List has been superseded.

This name record (from Tropicos) is not included in version 1.1 of The Plant List. It is possible the same name is included from a different data source, to check this you can search for Castilleja ctenodonta in version 1.1 of The Plant List.

Castilleja ctenodonta var. altorum (Standl. & Steyerm.) J.M. Egger is a synonym of Castilleja altorum Standl. & Steyerm.

This name is a synonym of Castilleja altorum Standl. & Steyerm..

The record derives from Tropicos which reports it as a synonym (record 50322428) with original publication details: Phytologia 90(1): 68 68 2008.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:77097538-1.