Published in Revista de la Academia Canaria de Ciencias, in 2017, in volume 29, issue 1, pages 111-202

Created: 2024-12-17, modified: 2024-12-17

Published in Sida, Contributions To Botany, in 1988, in volume 13, issue 2, pages 251-255

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

Published in The Great Basin Naturalist, in 1994, in volume 54, issue 4, pages 301-312

Created: 2017-11-16, modified: 2017-11-16

Published in Acta Botánica Mexicana, in 1995, in volume 30, pages 13-20

Created: 2016-12-02, modified: 2017-04-27

Published in Journal of The Botanical Research Institute of Texas, in 2013, in volume 7, issue 1, pages 441-451

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

Published in Acta Botánica Mexicana, in 2015, in volume 111, pages 17-45

Created: 2016-05-12, modified: 2017-04-27