Published in Novon: A Journal For Botanical Nomenclature, in 2009, in volume 19, pages 68-75
Created: 2014-06-14, modified: 2016-02-16![](https://www.biodiversitylibrary.org/pagethumb/51525620,60,60)
Published in Acta Botánica Mexicana, in 1992, in volume 20, pages 77-99
Created: 2016-12-02, modified: 2017-04-27![](https://www.biodiversitylibrary.org/pagethumb/51573937,60,60)
Published in Acta Botánica Mexicana, in 1993, in volume 25, pages 15-20
Created: 2016-12-02, modified: 2017-04-27![](https://www.biodiversitylibrary.org/pagethumb/55722931,60,60)
Published in Acta Botánica Mexicana, in 2001, in volume 54, pages 29-37
Created: 2018-04-09, modified: 2018-04-09![](https://www.biodiversitylibrary.org/pagethumb/11160096,60,60)
Published in Novon, in 2006, in volume 16, pages 458-461
Created: 2011-01-28, modified: 2016-02-16