Roldana marquezii (B.L. Turner) C. Jeffrey Roldana marquezii (B.L. Turner) C. Jeffrey, Kew Bull. 47(1). 1992 sec. Villaseñor & al. 2005≡Senecio marquesii B.L. Turner, Brittonia 40. 1988 syn. sec. Villaseñor & al. 2005