Dryopetalon byei (Rollins) Al-Shehbaz Dryopetalon byei (Rollins) Al-Shehbaz in Novon 17(4): 400. 2007 sec. Al-Shehbaz 2007≡Thelypodiopsis byei Rollins in Contr. Gray Herb. 212: 86. 1982 syn. sec. Al-Shehbaz 2007