Published in Acta Botánica Mexicana, in 1989, in volume 5, pages 1-4

Published in Acta Botánica Mexicana, in 1989, in volume 5, pages 5-11

Published in Acta Botánica Mexicana, in 1989, in volume 5, pages 13-17

Published in Acta Botánica Mexicana, in 1989, in volume 5, pages 19-29

Published in Acta Botánica Mexicana, in 1989, in volume 5, pages 31

Published in Acta Botánica Mexicana, in 1989, in volume 6, pages 1-43

Published in Acta Botánica Mexicana, in 1989, in volume 7, pages 1-18

Published in Acta Botánica Mexicana, in 1989, in volume 7, pages 19-20

Published in Acta Botánica Mexicana, in 1989, in volume 7, pages 21-31

Published in Acta Botánica Mexicana, in 1989, in volume 7, pages 33-41

Published in Acta Botánica Mexicana, in 1989, in volume 7, pages 43-44

Published in Acta Botánica Mexicana, in 1989, in volume 8, pages 1-13

Published in Acta Botánica Mexicana, in 1989, in volume 8, pages 15-30

Published in Acta Botánica Mexicana, in 1989, in volume 8, pages 31-33

Published in Acta Botánica Mexicana, in 1989, in volume 8, pages 35-38