Robinsonecio porphyresthes (T.M. Barkley) T.M. Barkley & Janovec Robinsonecio porphyresthes (T.M. Barkley) T.M. Barkley & Janovec, Sida 17. 1996 sec. Villaseñor & al. 2005≡Senecio porphyresthes T.M. Barkley, Phytologia. 67(3). 1989 syn. sec. Villaseñor & al. 2005