Published in Madroño, in 1998, in volume 45, issue 2, pages 184-185
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/34395180,60,60)
Published in Journal of The Botanical Research Institute of Texas, in 2007, in volume 1, issue 1, pages 69-77
Created: 2015-12-01, modified: 2015-12-01