Diphysa thurberi (A. Gray) Rydb. ex Standl. Diphysa thurberi (A. Gray) Rydb. ex Standl., Contr. U.S. Natl. Herb. 23: 479. 1922 sec. Rzedowski & al. 2016≡Daubentonia thurberi A.Gray, Pl. Nov. Thurb. 313. 1854 syn. sec. Rzedowski & al. 2016