Published in Biol Bull, in 1928, in volume 55, pages 92-100

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Published in Palaeontology, in 1984, in volume 27, issue 4, pages 729-735

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Published in Palaeontology, in 1988, in volume 31, issue 3, pages 725-740

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Published in Ibis, in 1900, in volume 6, issue 1, pages 70-109

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Published in Ibis, in 1903, in volume 3, issue 3, pages 330-403

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Published in Ibis, in 1910, in volume 4, issue 4, pages 716-729

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Published in Ibis, in 1899, in volume 5, issue 4, pages 549-583

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Published in Botanical Gazette, in 1914, in volume 57, issue 5, pages 362-385

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Published in Madroño, in 1983, in volume 30, issue 3, pages 194-195

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Published in Torreya, in 1929, in volume 29, issue 3, pages 69-71

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Published in Phytologia, in 1974, in volume 28, issue 5, pages 469-470

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Published in Sida, Contributions To Botany, in 2002, in volume 20, issue 2, pages 865-866

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Published in The Wilson Bulletin, in 1951, in volume 63, issue 4, pages 271-273

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Published in Ibis, in 1898, in volume 4, issue 1, pages 74-118

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Published in Palaeontology, in 1984, in volume 27, issue 2, pages 367-392

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Published in Torreya, in 1928, in volume 28, issue 2, pages 21-28

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Published in Rhodora, in 1944, in volume 46, issue 546, pages 201-204

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Published in Bulletin of The British Ornithologists' Club, in 1908, in volume 21, pages 88-91

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Published in Palaeontology, in 1980, in volume 23, issue 2, pages 273-285

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Published in The Wilson Bulletin, in 1951, in volume 63, issue 4, pages 363-369

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Published in Madroño, in 1994, in volume 41, issue 4, pages 277-289

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Published in Bulletin of the British Museum (Natural History). Geology., in 1968, in volume 15, issue 4, pages 169-180

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Published in Ibis, in 1898, in volume 4, issue 2, pages 277-285

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Published in Bulletin du Muséum national d'histoire naturelle, in 1907, in volume 13, issue 2, pages 141-143

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Published in Palaeontology, in 1980, in volume 23, issue 4, pages 925-929

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Published in Contributions of the American Entomological Institute, in 1983, in volume 20, pages 15-30

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Published in Biol Bull, in 1960, in volume 118, pages 17-30

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Published in Ibis, in 1917, in volume 5, issue 4, pages 539-557

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Published in Entomological News, in 1989, in volume 100, pages 207-211

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Published in Western Australian Naturalist, in 1957, in volume 6, issue 2, pages 55-56

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Published in Palaeontology, in 1982, in volume 25, issue 1, pages 209-214

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Published in Palaeontology, in 1985, in volume 28, issue 2, pages 393-399

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Published in Madroño, in 1997, in volume 44, issue 1, pages 29-47

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Published in Biol Bull, in 1972, in volume 142, pages 302-309

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Published in Torreya, in 1933, in volume 33, issue 2, pages 31-37

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Published in Bulletin United States National Museum, in 1959, in volume 216, issue 1, pages 1-316

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Published in Rhodora, in 1990, in volume 92, issue 871, pages 166-204

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Published in Madroño, in 1993, in volume 40, issue 1, pages 67

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Published in Bulletin of the British Museum (Natural History). Geology., in 1965, in volume 10, issue 6, pages 139-162

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Published in Ibis, in 1902, in volume 2, issue 3, pages 355-377

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Published in Ibis, in 1902, in volume 2, issue 2, pages 278-333

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Published in Proceedings of The United States National Museum, in 1882, in volume 4, pages 234-235

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Published in Pacific Science, in 1967, in volume 21, issue 3, pages 394-403

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Published in Palaeontology, in 1986, in volume 29, issue 3, pages 519-526

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Published in The Flowering Plants of South Africa, in 1936, in volume 16, pages 1

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Published in Madroño, in 1999, in volume 46, issue 2, pages 112-114

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