Published in Annals of the Missouri Botanical Garden, in 2001, in volume 88, pages 302-350

Created: 2010-01-08, modified: 2015-12-16

Published in Novon: A Journal For Botanical Nomenclature, in 2008, in volume 18, pages 269-274

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

Published in Novon, in 2002, in volume 12, pages 142-151

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

Published in Bulletin du Muséum national d'histoire naturelle, in 1962, in volume 34, issue 2, pages 184-187

Created: 2017-12-18, modified: 2017-12-18