Published in Contributions of the American Entomological Institute, in 1983, in volume 20, pages 336-362

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Published in Asa Gray correspondence. Senders Be-Bo, in 1844, pages 1-2

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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1842, pages 1-2

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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1842, pages 1-2

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Published in Banisteria, in 2017, in volume 48, pages 16-17

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Published in Rhodora, in 1946, in volume 48, issue 573, pages 201-205

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Published in Torreya, in 1941, in volume 41, issue 6, pages 199-200

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Published in The Auk, in 1891, in volume 8, pages 383-384

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Published in Botanical Gazette, in 1921, in volume 72, issue 4, pages 245-249

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Published in The Auk, in 1906, in volume 23, pages 271-274

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Published in Rhodora, in 1937, in volume 39, issue 461, pages 153-155

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Published in The Auk, in 1892, in volume 9, pages 238-247

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Published in The Auk, in 1893, in volume 10, pages 155-157

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Published in Palaeontology, in 1963, in volume 6, issue 3, pages 440-457

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Published in The Auk, in 1888, in volume 5, pages 264-266

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Published in The Auk, in 1892, in volume 9, pages 49-56

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Published in Madroño, in 1961, in volume 16, issue 2, pages 72-74

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Published in Victorian Naturalist, in 2006, in volume 123, issue 1, pages 4-28

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Published in Biol Bull, in 1987, in volume 172, pages 1-9

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Published in Proceedings of The American Philosophical Society, in 1894, in volume 33, issue 145, pages 225-243

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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1913, in volume 65, pages 584-616

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Published in Palaeontology, in 1960, in volume 3, issue 2, pages 227-236

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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1911, in volume 63, pages 336-373

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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1914, in volume 66, pages 209-213

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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1892, in volume 44, pages 136-141

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Published in Journal of The New York Entomological Society, in 1932, in volume 40, issue 4, pages 511-518

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Published in Special publication of Carnegie Museum of Natural History, in 1994, in volume 18, pages 435-439

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Published in Proceedings of The American Philosophical Society, in 1908, in volume 47, issue 189, pages 298-301

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Published in Journal of The Botanical Research Institute of Texas, in 2014, in volume 8, issue 2, pages 665-675

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