Synonyms
Pteryxia elrodii (M.E.Jones) Rydb.
Pteryxia thapsoides (Torr. & A.Gray) Nutt. ex J.M.Coult. & Rose
Cymopterus thapsoides Torr. & A.Gray
Pteryxia terebinthina var. foeniculacea (Torr. & A.Gray) Mathias
Pteryxia foeniculacea Nutt.
Cymopterus elrodii M.E.Jones
Cymopterus foeniculaceus Torr. & A.Gray