title: Comparative leaf surface chemistry from Senecio cerberoanus and Senecio viscosissimus.
authors.affiliation: Laboratorio de Química Ecológica, Facultad de Química y Biología, Universidad de Santiago de Chile, Casilla 40, Correo-33, Santiago, Chile
authors.lastname: Urzúa
authors.initials: L
authors.lastname: Andrade
authors.initials: L
authors.lastname: Mendoza
authors.initials: F
authors.lastname: Bustos