Notes on neophytes I. Silene noctiflora L. (Caryophyllaceae) registered for Mexico Egileak: Vibrans, Heike

Bidens pilosa L. and Bidens odorata Cav. (Asteraceae: Heliantheae) in the urban vegetation of Mexico City Egileak: Vibrans, Heike

Commented floristic listo f wild vascular plants in San Juan Quetzalcoapan, Tlaxcala, Mexico Egileak: Vibrans, Heike

Notes on neophytes. Distribution of various species of Brassicaceae recently introduced to central Mexico Egileak: Vibrans, Heike

Notas sobre Neófitas 4. Polygonum empálense (Polygonaceae), una planta invasora Nueva para México Egileak: Vibrans, Heike, Hanan Alipi, Ana María

Senecio inaequidens DC. (Compositae, Senecioneae), a noxious weed introduced to Mexico Egileak: Rzedowski, Jerzy, Vibrans, Heike, Calderón de Rzedowski, Graciela

Species richness and functional types: their relation in sacred-fir forests of Mount Tlaloc, Mexico State Egileak: Sánchez-Sánchez, Cristóbal, Paz-Pellat, Fernando, Hernández-de la Rosa, Patricia, Velázquez-Rodríguez, Alma, Vibrans, Heike, Vargas-Hernández, Jesús, Valdez-Hernández, Juan Ignacio, Valdez-Lazalde, J. René