Synonyms
Orthocarpus bicolor A.Heller
Orthocarpus lithospermoides Benth.
Orthocarpus lithospermoides var. bicolor (A.Heller) Jeps.
Orthocarpus lithospermoides var. typicus D.D.Keck
Castilleja rubicundula subsp. lithospermoides (Benth.) T.I.Chuang & Heckard