Published in Novon: A Journal For Botanical Nomenclature, in 2009, in volume 19, pages 68-75

Created: 2014-06-14, modified: 2016-02-16

Published in Acta Botánica Mexicana, in 1992, in volume 20, pages 77-99

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

Published in Acta Botánica Mexicana, in 1993, in volume 25, pages 15-20

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

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

Created: 2018-04-09, modified: 2018-04-09

Published in Novon, in 2006, in volume 16, pages 458-461

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