Published in Acta Botánica Mexicana, in 2001, in volume 54, pages 1-23

Published in Acta Botánica Mexicana, in 2001, in volume 54, pages 25-28

Published in Acta Botánica Mexicana, in 2001, in volume 54, pages 29-37

Published in Acta Botánica Mexicana, in 2001, in volume 54, pages 39-49

Published in Acta Botánica Mexicana, in 2001, in volume 54, pages 51-87

Published in Acta Botánica Mexicana, in 2001, in volume 55, pages 1-5

Published in Acta Botánica Mexicana, in 2001, in volume 55, pages 7-12

Published in Acta Botánica Mexicana, in 2001, in volume 55, pages 13-16

Published in Acta Botánica Mexicana, in 2001, in volume 55, pages 17-20

Published in Acta Botánica Mexicana, in 2001, in volume 55, pages 21-27

Published in Acta Botánica Mexicana, in 2001, in volume 55, pages 29-38

Published in Acta Botánica Mexicana, in 2001, in volume 55, pages 39-67

Published in Acta Botánica Mexicana, in 2001, in volume 56, pages 1-8

Published in Acta Botánica Mexicana, in 2001, in volume 56, pages 9-11

Published in Acta Botánica Mexicana, in 2001, in volume 56, pages 13-18

Published in Acta Botánica Mexicana, in 2001, in volume 56, pages 19-88

Published in Acta Botánica Mexicana, in 2001, in volume 57, pages 1-14

Published in Acta Botánica Mexicana, in 2001, in volume 57, pages 15-21

Published in Acta Botánica Mexicana, in 2001, in volume 57, pages 23-36

Published in Acta Botánica Mexicana, in 2001, in volume 57, pages 37-50

Published in Acta Botánica Mexicana, in 2001, in volume 57, pages 51-66

Published in Acta Botánica Mexicana, in 2001, in volume 57, pages 67-71