Published in Acta Botánica Mexicana, in 1993, in volume 21, pages 1-6
Published in Acta Botánica Mexicana, in 1993, in volume 21, pages 7-14
Published in Acta Botánica Mexicana, in 1993, in volume 21, pages 15-21
Published in Acta Botánica Mexicana, in 1993, in volume 21, pages 23-26
Published in Acta Botánica Mexicana, in 1993, in volume 21, pages 27-42
Published in Acta Botánica Mexicana, in 1993, in volume 21, pages 43-57
Published in Acta Botánica Mexicana, in 1993, in volume 23, pages 1-33
Published in Acta Botánica Mexicana, in 1993, in volume 23, pages 35-40
Published in Acta Botánica Mexicana, in 1993, in volume 23, pages 41-46
Published in Acta Botánica Mexicana, in 1993, in volume 23, pages 47-51
Published in Acta Botánica Mexicana, in 1993, in volume 23, pages 53-58
Published in Acta Botánica Mexicana, in 1993, in volume 23, pages 59-64
Published in Acta Botánica Mexicana, in 1993, in volume 23, pages 103-136
Published in Acta Botánica Mexicana, in 1993, in volume 24, pages 1-96
Published in Acta Botánica Mexicana, in 1993, in volume 25, pages 1-13
Published in Acta Botánica Mexicana, in 1993, in volume 25, pages 15-20
Published in Acta Botánica Mexicana, in 1993, in volume 25, pages 21-25
Published in Acta Botánica Mexicana, in 1993, in volume 25, pages 27-48
Published in Acta Botánica Mexicana, in 1993, in volume 25, pages 49-59
Published in Acta Botánica Mexicana, in 1993, in volume 25, pages 61-79
Published in Acta Botánica Mexicana, in 1993, in volume 25, pages 81-108