• Oenothera hamata (Wooton & Standl.) Tidestr. in I.Tidestrom & T.Kittell, Fl. Ariz. New Mex.: 277 (1941), nom. illeg. vide Oenothera flava (A.Nelson) Garrett in Spring Fl. Wasatch, ed. 4: 106 (1927)
  • Oenothera hamata de Vries in Z. Indukt. Abstammungs- Vererbungsl. 35: 216 (1924) vide Oenothera glazioviana Micheli in C.F.P.von Martius & auct. suc. (eds.), Fl. Bras. 13(2): 178 (1875)