Published in Sida, Contributions To Botany, in 2000, in volume 19, issue 1, pages 133-135

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

Published in Journal of The Botanical Research Institute of Texas, in 2012, in volume 6, issue 1, pages 119-122

Created: 2018-04-22, modified: 2018-04-22