Published in Botanical Gazette, in 1888, in volume 13, issue 12, pages 305-311

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Published in Botanical Gazette, in 1888, in volume 13, issue 3, pages 64-65

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Published in Veliger, in 1985, in volume 28, pages 6-13

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Published in Rhodora, in 1969, in volume 71, issue 788, pages 554-559

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Published in Rhodora, in 1968, in volume 70, issue 782, pages 298-300

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Published in Phytologia, in 1994, in volume 77, issue 6, pages 425-430

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Published in Rhodora, in 1974, in volume 76, issue 805, pages 53-57

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Published in Journal of The Arnold Arboretum, in 1964, in volume 45, issue 3, pages 358-373

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Published in The Great Basin Naturalist, in 1964, in volume 24, pages 7-12

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Published in Journal of Research on the Lepidoptera, in 1990, in volume 28, issue 1-2, pages 125-126

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Published in Ent. News., in 1929, in volume 40, issue 1, pages 21-22

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Published in Pan-Pacific Entomologist, in 1929, in volume 6, pages 11-20

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Published in Journal of The Arnold Arboretum, in 1964, in volume 45, issue 1, pages 57-100

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Published in Proceedings of The American Philosophical Society, in 1895, in volume 34, issue 147, pages 102-134

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Published in Scopus, in 1994, in volume 18, issue 1, pages 48

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Published in Palaeontology, in 1976, in volume 19, issue 4, pages 651-680

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Published in Rhodora, in 1981, in volume 83, issue 836, pages 477-519

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Published in Journal of The New York Entomological Society, in 1988, in volume 96, issue 2, pages 248-250

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Published in Journal of The Arnold Arboretum, in 1965, in volume 46, issue 2, pages 181-217

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Published in Palaeontology, in 1964, in volume 7, issue 3, pages 452-457

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Published in BULL BROOKLYN ENT SOC, in 1929, in volume 24, issue 4, pages 224-244

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Published in Biol Bull, in 1976, in volume 150, pages 38-46

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Published in Palaeontology, in 1969, in volume 12, issue 4, pages 621-636

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Published in Proceedings of The American Philosophical Society, in 1904, in volume 43, issue 176, pages 247-256

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Published in Asa Gray correspondence. Senders Ga-Go, 1835-1891 (inclusive), in 1887, pages 1-2

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Published in Torreya, in 1903, in volume 3, issue 12, pages 184-185

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Published in Entomologist's Record and Journal of Variation, in 1969, in volume 81, pages 312

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Published in Veliger, in 1989, in volume 32, pages 266-273

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Published in Palaeontology, in 1985, in volume 28, issue 4, pages 783-792

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Published in Journal of the Royal Society of Western Australia, in 1935, in volume 21, pages 97-100

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Published in Andes Soc Cient Argentina, in 1935, in volume 120, issue 6, pages 254-261

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Published in Rhodora, in 1991, in volume 93, issue 875, pages 268-290

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Published in Rhodora, in 1963, in volume 65, issue 763, pages 273

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Published in Moscosoa, in 1983, in volume 2, pages 28-53

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Published in American Fern Journal, in 1928, in volume 18, pages 94-95

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Published in Transactions of the New York Academy of Sciences, in 1890, in volume 9, pages 157-180

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Published in Proceedings of The American Philosophical Society, in 1886, in volume 23, issue 124, pages 526-535

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Published in Acta Botánica Mexicana, in 2013, in volume 104, pages 107-156

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Published in Rhodora, in 1918, in volume 20, issue 229, pages 19-20

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Published in Bulletin of Zoological Nomenclature, in 2005, in volume 62, issue 4, pages 240

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Published in Bulletin of Zoological Nomenclature, in 2005, in volume 62, issue 3, pages 149-150

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Published in American Fern Journal, in 1915, in volume 5, pages 1-4

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Published in American Fern Journal, in 1917, in volume 7, pages 104-106

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Published in American Fern Journal, in 1919, in volume 9, pages 1-5

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Published in American Fern Journal, in 1919, in volume 9, pages 67-73

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Published in American Fern Journal, in 1925, in volume 15, pages 16-19

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Published in American Fern Journal, in 1925, in volume 15, pages 54-57

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Published in American Fern Journal, in 1928, in volume 18, pages 1-6

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Published in American Fern Journal, in 1928, in volume 18, pages 46-51

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