Published in The Beagle, in 2009, in volume 25, pages 55-63

Created: 2019-09-02, modified: 2019-09-19

Published in Palaeontology, in 1992, in volume 35, issue 4, pages 913-925

Created: 2016-04-23, modified: 2016-04-23

Published in Proceedings of The Biological Society of Washington, in 2003, in volume 116, pages 542-547

Created: 2011-04-14, modified: 2011-06-21

Published in Acta Botánica Mexicana, in 1994, in volume 29, pages 1-30

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

Published in Proceedings of The Biological Society of Washington, in 2003, in volume 116, pages 82-95

Created: 2011-06-10, modified: 2011-06-21

Published in Acta Botánica Mexicana, in 1996, in volume 35, pages 65-81

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

Published in Records of the Australian Museum, in 2008, in volume 60, issue 2, pages 119-160

Created: 2020-07-05, modified: 2020-07-05