Published in Madroño, in 2015, in volume 62, pages 21-32

Created: 2019-04-08, modified: 2019-04-08

Published in Acta Botánica Mexicana, in 1992, in volume 19, pages 63-72

Created: 2016-12-02, modified: 2017-04-27

Published in Acta Botánica Mexicana, in 1995, in volume 31, pages 19-32

Created: 2016-12-02, modified: 2017-04-27

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

Created: 2016-08-14, modified: 2017-04-27

Published in Journal of The Botanical Research Institute of Texas, in 2014, in volume 8, issue 2, pages 565-581

Created: 2019-01-27, modified: 2019-01-27

Published in Acta Botánica Mexicana, in 1993, in volume 21, pages 15-21

Created: 2016-12-02, modified: 2017-04-27

Published in Novon, in 1994, in volume 4, pages 221-223

Created: 2011-01-28, modified: 2016-02-16

Published in Novon, in 1993, in volume 3, pages 89-91

Created: 2011-01-28, modified: 2016-02-16

Published in Iheringia Serie Zoologia, in 1988, in volume 67, pages 109-122

Created: 2011-10-05, modified: 2011-10-05