Published in Annals of the Missouri Botanical Garden, in 2009, in volume 96, issue 3, pages 470-491

Created: 2024-06-27, modified: 2024-06-27

Published in Madroño, in 2001, in volume 48, issue 3, pages 211-214

Created: 2016-02-15, modified: 2016-07-07

Published in Brimleyana, in 1998, in volume 25, pages 140-143

Created: 2017-04-21, modified: 2017-04-21