The Plant List — A working list for all plant species

⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-29200099, with some changes.

L Orthocarpus castillejoides var. humboldtensis D.D. Keck is a synonym of Castilleja ambigua var. humboldtiensis (D.D. Keck) J.M. Egger

This name is a synonym of Castilleja ambigua var. humboldtiensis (D.D. Keck) J.M. Egger.

The record derives from Tropicos which reports it as a synonym (record 29200099) with original publication details: Proc. Calif. Acad. Sci., ser. 4, 16(17): 536 536 1927.