Published in Journal of Raptor Research, in 1990, in volume 24, issue 1-2, pages 5-11

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Published in Botanical Museum Leaflets, Harvard University, in 1942, in volume 10, pages 217-252

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Published in Torreya, in 1909, in volume 9, issue 4, pages 74-77

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Published in Contributions in Science, in 1978, in volume 298, pages 1-9

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Published in Torreya, in 1920, in volume 20, issue 2, pages 31-32

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Published in Madroño, in 1944, in volume 7, issue 8, pages 258

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Published in Asa Gray correspondence. Senders B-Ba, in 1872, pages 1-2

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Published in Palaeontology, in 1968, in volume 11, issue 4, pages 580-600

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Published in Rhodora, in 1927, in volume 29, issue 339, pages 33-36

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Published in Rhodora, in 1945, in volume 47, issue 555, pages 65-68

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Published in Rhodora, in 1919, in volume 21, issue 243, pages 69-70

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Published in Rhodora, in 1943, in volume 45, issue 532, pages 167

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Published in Biol Bull, in 1972, in volume 143, pages 344-357

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Published in Madroño, in 1998, in volume 45, issue 1, pages 47-56

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Published in Phytologia, in 1983, in volume 52, issue 6, pages 373-375

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Published in Madroño, in 1957, in volume 14, issue 2, pages 41-51

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Published in Botanical Museum Leaflets, Harvard University, in 1964, in volume 20, pages 334-335

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Published in Forktail, in 2009, in volume 25, pages 147-150

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Published in The Great Basin Naturalist, in 1982, in volume 42, pages 549-552

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Published in Palaeontology, in 1968, in volume 11, issue 5, pages 697-730

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Published in Palaeontology, in 1972, in volume 15, issue 1, pages 1-28

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Published in Carnivorous plant newsletter, in 1975, in volume 4, issue 3, pages 46-47

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Published in Rhodora, in 1920, in volume 22, issue 264, pages 194-195

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Published in Torreya, in 1922, in volume 22, issue 5, pages 86-88

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Published in Rhodora, in 1919, in volume 21, issue 247, pages 117-120

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Published in Palaeontology, in 1982, in volume 25, issue 3, pages 499-507

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Published in Biol Bull, in 1977, in volume 152, pages 12-25

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Published in Entomological News, in 1957, in volume 68, pages 85-88

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Published in Rhodora, in 1919, in volume 21, issue 252, pages 215-216

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Published in Madroño, in 1988, in volume 35, issue 2, pages 159-161

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Published in Torreya, in 1914, in volume 14, issue 2, pages 21-24

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Published in Biol Bull, in 1969, in volume 137, pages 494-505

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Published in Palaeontology, in 1967, in volume 10, issue 4, pages 525-541

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Published in Torreya, in 1915, in volume 15, issue 1, pages 9-11

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Published in Torreya, in 1918, in volume 18, issue 5, pages 91-94

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Published in Carnivorous plant newsletter, in 1976, in volume 5, issue 3, pages 46-47

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Published in Rhodora, in 1959, in volume 61, issue 732, pages 309-311

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Published in Madroño, in 1989, in volume 36, issue 3, pages 218

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Published in Palaeontology, in 1975, in volume 18, issue 3, pages 631-656

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Published in Torreya, in 1919, in volume 19, issue 11, pages 216-227

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Published in Torreya, in 1923, in volume 23, issue 2, pages 33-34

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Published in Journal of Hymenoptera Research, in 2004, in volume 13, pages 223-227

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Published in Bulletin of The British Ornithologists' Club, in 2009, in volume 129, issue 4, pages 198-201

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Published in Sida, Contributions To Botany, in 1997, in volume 17, issue 3, pages 533-549

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Published in Pan-Pacific Entomologist, in 1996, in volume 72, issue 1, pages 13-16

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Published in The Wilson Bulletin, in 1982, in volume 94, issue 1, pages 31-45

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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 Rhodora, in 1959, in volume 61, issue 723, pages 72-76

Created: 2014-06-16, modified: 2016-07-26

Published in Novon, in 1999, in volume 9, issue 3, pages 422

Created: 2014-06-14, modified: 2014-06-14