Onagraceae

Dietrich, W., P.H. Raven, and W.L. Wagner. 1985. Revision of Oenothera sect. Oenothera subsect. Emersonia (Onagraceae). Systematic Botany 10(1): 29-48.

• Oenothera
• Onagraceae
• hybridization
• Mexico
• New Mexico