Published in Veliger, in 1960, in volume 3, pages 32

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Published in Sida, Contributions To Botany, in 1988, in volume 13, issue 1, pages 117-118

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

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

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Published in Madroño, in 1952, in volume 11, issue 5, pages 217-220

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Published in The Auk, in 1912, in volume 29, pages 244

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Published in Palaeontology, in 1997, in volume 40, issue 1, pages 99-112

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Published in Palaeontology, in 1995, in volume 37, issue 4, pages 781-799

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Published in The Auk, in 1916, in volume 33, pages 187-193

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Published in Madroño, in 1987, in volume 34, issue 4, pages 381-382

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Published in The Auk, in 1920, in volume 37, pages 601-603

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Published in Palaeontology, in 1996, in volume 39, issue 1, pages 97-147

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Published in The Wilson Bulletin, in 1984, in volume 96, issue 4, pages 561-574

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Published in Sida, Contributions To Botany, in 2003, in volume 20, issue 4, pages 1727-1730

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Published in Nautilis, in 1909, in volume 22, pages 128-133

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Published in Botanical Museum Leaflets, Harvard University, in 1949, in volume 13, pages 213-247

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Published in Journal of The New York Entomological Society, in 1931, in volume 39, issue 3, pages 295-298

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Published in Bothalia, in 1998, in volume 28, issue 1, pages 35-39

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Published in Nautilis, in 1936, in volume 49, pages 135-139

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Published in Nautilis, in 1936, in volume 50, pages 20-22

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Published in Nautilis, in 1913, in volume 27, pages 4-6

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Published in Bothalia, in 2008, in volume 38, issue 2, pages 193-194

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Published in Great Basin Naturalist, in 1975, in volume 35, pages 109-112

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Published in Nautilis, in 1913, in volume 27, pages 16-17

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Published in Serket, in 1991, in volume 2, issue 3, pages 70-80

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Published in Zoologica, in 1927, in volume 9, issue 6, pages 271-294

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Published in Bothalia, in 2000, in volume 30, issue 1, pages 43-46

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Published in Bothalia, in 2001, in volume 31, issue 2, pages 195-197

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Published in Bothalia, in 1997, in volume 27, issue 2, pages 135

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Published in Bothalia, in 1999, in volume 29, issue 1, pages 100

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Published in University of Kansas Science Bulletin, in 1952, in volume 34, pages 679-694

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Published in Bull. Zool. Nom., in 1954, in volume 9, pages 247-249

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Published in The Auk, in 1911, in volume 28, pages 113

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Published in Hedwigia, in 1891, in volume 30, pages 303-307

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Published in Great Basin Naturalist, in 1974, in volume 34, pages 231-237

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Published in Austrobaileya, in 2010, in volume 8, issue 2, pages 133-138

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Published in Bulletin du Muséum national d'histoire naturelle, in 1919, in volume 25, issue 7, pages 566

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Published in Proc. Biol. Soc. Wash, in 1939, in volume 52, pages 187-196

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Published in Nautilis, in 1927, in volume 41, pages 51-54

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Published in Nautilis, in 1940, in volume 54, pages 44-46

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Published in Nautilis, in 1943, in volume 57, pages 59-62

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Published in Nautilis, in 1910, in volume 24, pages 81-83

Created: 2013-09-28, modified: 2013-09-28

Published in Bothalia, in 1996, in volume 26, issue 1, pages 31-35

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Published in Bull. Zool. Nom., in 1963, in volume 20, pages 121-127

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Published in Proc. Biol. Soc. Washington, in 1951, in volume 64, pages 97-100

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Published in Proceedings of The Biological Society of Washington, in 1951, in volume 64, pages 101-103

Created: 2011-07-31, modified: 2011-07-31

Published in Annals And Magazine of Natural History, in 1894, in volume 14, pages 236

Created: 2011-09-23, modified: 2011-09-23

Published in Madroño, in 1988, in volume 35, issue 4, pages 320-324

Created: 2016-02-15, modified: 2023-02-16

Published in Biol Bull, in 1990, in volume 178, pages 126-136

Created: 2010-01-07, modified: 2011-06-21

Published in Proc. Biol. Soc. Washington, in 1940, in volume 53, pages 55-64

Created: 2011-06-01, modified: 2011-06-21

Published in Proceedings of The Linnean Society of New South Wales, in 2019, in volume 136, pages 35-68

Created: 2019-09-16, modified: 2019-09-16