Published in Adansonia, in 1963, in volume 3, issue 1, pages 3-4

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Published in Smithsonian Herpetological Information Service, in 1996, in volume 109, pages 1-43

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Published in Madroño, in 1946, in volume 8, issue 6, pages 189-191

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Published in Veliger, in 2006, in volume 48, pages 206-214

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Published in Stuttgarter Beiträge zur Naturkunde Serie A (Biologie), in 1975, in volume 276, pages 1-101

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Published in Fieldiana Zool., in 1958, in volume 34, pages 505-534

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Published in Bonner Zoologische Beiträge, in 1975, in volume 26, pages 366-369

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Published in Acta Botánica Mexicana, in 2002, in volume 59, pages 1-3

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Published in Novon, in 2002, in volume 12, pages 90-93

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Published in Torreya, in 1925, in volume 25, issue 5, pages 102-104

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Published in Stuttgarter Beiträge zur Naturkunde, in 1963, in volume 116, pages 1-7

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Published in Proceedings of The Biological Society of Washington, in 1928, in volume 41, pages 15-16

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Published in Bonner Zoologische Monographien, in 1982, in volume 16, pages 1-167

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Published in Contributions in Science, in 1968, in volume 154, pages 1-4

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Published in The Wilson Bulletin, in 1980, in volume 92, issue 2, pages 269

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Published in Postilla, in 2004, in volume 231, pages 1-31

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Published in Proceedings of The Biological Society of Washington, in 1929, in volume 42, pages 217-218

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Published in Jour Washington Acad Sci, in 1944, in volume 34, pages 259-268

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Published in Proceedings of The Biological Society of Washington, in 1925, in volume 38, pages 133-135

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Published in Proceedings of The Biological Society of Washington, in 1926, in volume 39, pages 109-110

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Published in Proceedings of The Biological Society of Washington, in 1927, in volume 40, pages 1-7

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Published in Phytologia, in 1985, in volume 57, pages 249-260

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Published in Proc. Ent. Soc. Wash, in 1983, in volume 85, pages 144-151

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Published in Bonner Zoologische Beiträge, in 1979, in volume 30, pages 176-191

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Published in Journal of The Washington Academy of Sciences, in 1923, in volume 13, issue 8, pages 143-149

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Published in Phytologia, in 1987, in volume 62, issue 6, pages 449-451

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Published in Ibis, in 1886, in volume 4, issue 2, pages 151-155

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Published in Iberus, in 1988, in volume 8, pages 65-70

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Published in Proceedings of The Biological Society of Washington, in 1932, in volume 45, pages 223-225

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Published in Proceedings of The Biological Society of Washington, in 1929, in volume 42, pages 219-220

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Published in Contributions From The University of Michigan Herbarium, in 2001, in volume 23, pages 115-137

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Published in Acta Botánica Mexicana, in 1989, in volume 7, pages 19-20

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Published in Acta Botánica Mexicana, in 1989, in volume 5, pages 5-11

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Published in Madroño, in 1945, in volume 8, issue 4, pages 111-117

Created: 2016-02-15, modified: 2016-07-07

Published in Proceedings of The Biological Society of Washington, in 1991, in volume 104, pages 356-369

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

Published in Proceedings of The Biological Society of Washington, in 1928, in volume 41, pages 129-131

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

Published in Proceedings of The Biological Society of Washington, in 1963, in volume 76, pages 19-32

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Published in Proceedings of The Biological Society of Washington, in 1928, in volume 41, pages 123-124

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

Published in Journal of The Washington Academy of Sciences, in 1923, in volume 13, issue 16, pages 363-369

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Published in Veliger, in 1979, in volume 22, pages 204-205

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Published in American Fern Journal, in 1978, in volume 68, pages 62

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Published in Pan-Pacific Entomologist, in 1978, in volume 54, issue 1, pages 31-37

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Published in Entomologist's Record and Journal of Variation, in 1975, in volume 87, issue 2, pages 45-47

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Published in Proceedings of The Biological Society of Washington, in 1928, in volume 41, pages 189-190

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Published in Proceedings of The Biological Society of Washington, in 1980, in volume 93, pages 285-290

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

Published in Journal of The Washington Academy of Sciences, in 1923, in volume 13, issue 20, pages 436-443

Created: 2015-03-16, modified: 2015-03-16

Published in Journal of The Washington Academy of Sciences, in 1923, in volume 13, issue 15, pages 350-354

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Published in Journal of The Washington Academy of Sciences, in 1924, in volume 14, issue 11, pages 238-247

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Published in Journal of The Washington Academy of Sciences, in 1924, in volume 14, issue 4, pages 93-99

Created: 2015-03-16, modified: 2015-03-16

Published in Journal of The Washington Academy of Sciences, in 1946, in volume 36, pages 219-225

Created: 2015-03-16, modified: 2015-03-16