Chaunanthus mexicanus (Rollins) R.A. Price & Al-Shehbaz Chaunanthus mexicanus (Rollins) R.A. Price & Al-Shehbaz in Novon 11(3): 330. 2001 sec. Price & Al-Shehbaz 2001≡Iodanthus mexicanus Rollins in Contr. Dudley Herb. 3: 213. 1942 syn. sec. Price & Al-Shehbaz 2001