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Published in Proceedings of the United States National Museum, in 1966, in volume 119, issue 3538, pages 1-35

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Published in Proceedings of the Biological Society of Washington, in 1988, in volume 101, issue 2, pages 444-465

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Published in Proceedings of the United States National Museum, in 1964, in volume 116, pages 115-126

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Published in Proceedings of The Biological Society of Washington, in 1980, in volume 92, issue 1, pages 10-22

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Published in Proceedings of The Biological Society of Washington, in 1987, in volume 100, issue 1, pages 164-172

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Published in Proceedings of The Biological Society of Washington, in 1977, in volume 90, issue 2, pages 348-357

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Published in Proceedings of the Biological Society of Washington, in 1981, in volume 93, pages 997-1015

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Published in Proceedings of the Biological Society of Washington, in 1981, in volume 93, pages 887-913

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Published in Proceedings of the Biological Society of Washington, in 1999, in volume 112, pages 410-431

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Published in Proceedings of the Biological Society of Washington, in 1990, in volume 103, pages 380-426

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Published in Occasional Papers of the Museum of Natural History University of Kansas, in 1996, in volume 179, pages 1-25

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Published in Proceedings of The Biological Society of Washington, in 1987, in volume 100, pages 112-120

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Published in Torreya, in 1937, in volume 37, issue 5, pages 109-113

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Published in Annals of Tropical Medicine & Parasitology, in 1926, in volume 20, issue 2, pages 147-160

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Published in Records of the Australian Museum, in 1905, in volume 6, pages 31-37

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Published in Proceedings of The Biological Society of Washington, in 1987, in volume 100, pages 640-652

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Published in Botanical Gazette, in 1887, in volume 12, issue 7, pages 153-157

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Published in Madroño, in 1938, in volume 4, issue 6, pages 187-188

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Published in The Great Basin Naturalist, in 1977, in volume 37, pages 103-104

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Published in Journal of the Arnold Arboretum, in 1987, in volume 68, pages 323-334

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Published in Kirtlandia, in 2007, in volume 56, pages 1-37

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Published in Transactions of The Linnean Society London, in 1910, in volume 13, pages 411-438

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Published in Transactions of The Linnean Society of London, in 1921, in volume 17, pages 413-428

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Published in The Great Basin Naturalist, in 1992, in volume 52, issue 2, pages 139-144

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Published in Journal of The Arnold Arboretum, in 1985, in volume 66, issue 4, pages 491-502

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Published in Journal of The Lepidopterists' Society, in 2005, in volume 59, pages 178-180

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Published in Rhodora, in 1951, in volume 53, issue 626, pages 33-39

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