Gray* "Euthamia" (Nuttall) Cassini 1825 (Flat-topped Goldenrod)* "Facelis" Cassini* "Guizotia" Cassini (Niger-seed)* "Helianthus pauciflorus" Nuttall ssp.
Gray* "Euthamia" (Nuttall) Cassini 1825 (Flat-topped Goldenrod)* "Facelis" Cassini* "Guizotia" Cassini (Niger-seed)* "Helianthus pauciflorus" Nuttall ssp.