Synonyms
Synthyris plantaginea (E.James) Benth.
Synthyris plantaginea subsp. arizonica (Pennell) J.M.Porter
Atelianthus veronicoides Nutt. ex Benth.
Besseya gooddingii Pennell
Wulfenia plantaginea (E.James) Greene
Besseya plantaginea (E.James) Rydb.
Besseya arizonica Pennell