Published in Veliger, in 2006, in volume 48, pages 215-219

Created: 2013-12-24, modified: 2013-12-24

Published in Bollettino Malacologico, in 2007, in volume 43, issue 1-8, pages 33-38

Created: 2016-06-27, modified: 2016-06-27

Published in Annals of the Missouri Botanical Garden, in 1945, in volume 32, pages 279-281

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