Published in Annals of the Carnegie Museum, in 1999, in volume 68, issue 3, pages 175-211

Created: 2017-03-19, modified: 2017-03-19

Published in Sida, Contributions To Botany, in 2005, in volume 21, issue 3, pages 1921-1922

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Published in Victorian Naturalist, in 2010, in volume 127, issue 5, pages 192-195

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Published in Bonner Zoologische Beiträge, in 1969, in volume 20, pages 50-59

Created: 2014-05-17, modified: 2014-05-17

Published in Annals of the Missouri Botanical Garden, in 1948, in volume 35, pages 301-316

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

Published in Denkschriften der Akademie der Wissenshaften. Mathematisch-Naturwissenschaftlichen Klasse, in 1850, in volume 1, issue 1, pages 54-74

Created: 2016-08-17, modified: 2016-08-17

Published in Proceedings of the California Academy of Sciences, in 1965, in volume 32, pages 405-432

Created: 2011-06-28, modified: 2011-06-28

Published in Jour Washington Acad Sci, in 1951, in volume 41, pages 44-45

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Published in Pacific Science, in 1954, in volume 8, issue 2, pages 147-204

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Published in Journal of The Botanical Research Institute of Texas, in 2007, in volume 1, issue 1, pages 457-481

Created: 2015-12-01, modified: 2015-12-01

Published in Proceedings of the United States National Museum, in 1966, in volume 118, issue 3525, pages 155-208

Created: 2011-01-13, modified: 2017-01-06

Published in Malacologia, in 2014, in volume 57, issue 2, pages 329-339

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Published in Sida, Contributions To Botany, in 2006, in volume 22, issue 2, pages 1159-1173

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