Published in Annals of the Missouri Botanical Garden, in 2007, in volume 94, issue 1, pages 236-257

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

Published in Madroño, in 1984, in volume 31, issue 2, pages 113-122

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

Published in Annals of the Missouri Botanical Garden, in 1984, in volume 71, pages 1128-1171

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

Published in Sida, Contributions To Botany, in 1981, in volume 9, issue 2, pages 172-175

Created: 2015-12-02, modified: 2015-12-02

Published in Phytologia, in 1981, in volume 47, issue 4, pages 265-290

Created: 2017-03-08, modified: 2017-03-08