Dryopetalon paysonii (Rollins) Al-Shehbaz Dryopetalon paysonii (Rollins) Al-Shehbaz in Novon 17(4): 401. 2007 sec. Sánchez-Escalante & Gilbert 2021≡Thelypodium paysonii Rollins in Rhodora 59: 61. 1957 syn. sec. Al-Shehbaz 2007