⚠ Version 1 of The Plant List has been superseded.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 affinis in version 1.1 of The Plant List.
This name is a synonym of Castilleja affinis subsp. neglecta .
The record derives from Tropicos which reports it as a synonym (record 50322414
) with original publication details: Phytologia 90(1): 66-67 66 2008.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:77097496-1
.