Published in The Wilson Bulletin, in 1991, in volume 103, issue 4, pages 650-655
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Published in The Wilson Bulletin, in 1993, in volume 105, issue 3, pages 427-435
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Published in Pan-Pacific Entomologist, in 2002, in volume 78, issue 2, pages 101-109
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Published in Torreya, in 1909, in volume 9, issue 4, pages 74-77
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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 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 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 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 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 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 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 Botanical Museum Leaflets, Harvard University, in 1949, in volume 13, pages 213-247
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Published in Rhodora, in 1932, in volume 34, issue 405, pages 174-177
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Published in American Fern Journal, in 1915, in volume 5, pages 65-78
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Published in Madroño, in 1948, in volume 9, issue 5, pages 149-155
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Published in Palaeontology, in 1983, in volume 26, issue 4, pages 687-734
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Published in Rhodora, in 1929, in volume 31, issue 370, pages 193-194
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Published in Journal of The Arnold Arboretum, in 1920, in volume 2, issue 2, pages 111-112
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Published in Madroño, in 1996, in volume 43, issue 3, pages 345-354
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Published in Nuytsia, in 2016, in volume 27, pages 33-73
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Published in Bull. Zool. Nom., in 1967, in volume 24, pages 304-307
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Published in Annals of the Missouri Botanical Garden, in 1944, in volume 31, pages 1-172
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Published in Bulletin du Muséum national d'histoire naturelle, in 1933, in volume 5, issue 4, pages 285-289
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Published in Botanical Museum Leaflets, Harvard University, in 1951, in volume 14, pages 263-291
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Published in Palaeontology, in 1985, in volume 28, issue 3, pages 527-543
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Published in Botanical Museum Leaflets, Harvard University, in 1967, in volume 22, pages 33-63
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Published in Bulletin of The British Ornithologists' Club, in 2008, in volume 128, issue 4, pages 267-268
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Published in Journal of The Arnold Arboretum, in 1946, in volume 27, issue 4, pages 395-400
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Published in Botanical Museum Leaflets, Harvard University, in 1945, in volume 12, pages 33-75
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Published in Botanical Museum Leaflets, Harvard University, in 1967, in volume 22, pages 1-31
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Published in Biol Bull, in 1969, in volume 136, pages 216-225
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Published in Annals of the Missouri Botanical Garden, in 1986, in volume 73, pages 177-208
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Published in Pacific Science, in 1968, in volume 22, issue 4, pages 476-481
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Published in Veliger, in 1964, in volume 6, pages 8-10
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Published in Contributions from the United States National Herbarium, in 1917, in volume 20, issue 1, pages 1-35
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Published in Molluscan Research, in 2000, in volume 20, issue 2, pages 13-18
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Published in Sida, Contributions To Botany, in 2006, in volume 22, issue 1, pages 801-804
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Published in Madroño, in 1996, in volume 43, issue 3, pages 432-440
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Published in Asa Gray correspondence. Senders Be-Bo, in 1856, pages 1
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Published in Phytologia, in 1981, in volume 50, issue 1, pages 1-2
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Published in Bulletin du Muséum national d'histoire naturelle, in 1968, in volume 40, issue 6, pages 1150-1161
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