Published in The Wilson Bulletin, in 1966, in volume 78, issue 4, pages 415-433
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Published in Palaeontology, in 1990, in volume 33, issue 3, pages 613-622
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Published in Annals of the Missouri Botanical Garden, in 1949, in volume 36, pages 475-477
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Published in Annals of the Missouri Botanical Garden, in 1951, in volume 38, pages 207-259
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Published in Biol Bull, in 1957, in volume 112, pages 241-248
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Published in Bonner Zoologische Beiträge, in 1978, in volume 29, pages 5-17
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Published in Annals of the Missouri Botanical Garden, in 2006, in volume 93, issue 2, pages 178-208
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Published in Entomologist's Record and Journal of Variation, in 1997, in volume 109, issue 11-12, pages 265-280
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Published in Biol Bull, in 1956, in volume 110, pages 344-351
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Published in Contributions from the University of Michigan Herbarium, in 1990, in volume 17, pages 307-312
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Published in Pacific Science, in 1967, in volume 21, issue 3, pages 404-413
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Published in Rhodora, in 1968, in volume 70, issue 783, pages 439-441
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Published in Torreya, in 1922, in volume 22, issue 4, pages 61-63
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Published in Contributions from the University of Michigan Herbarium, in 1975, in volume 11, issue 2, pages 57-63
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Published in Muelleria, in 1996, in volume 9, pages 41-50
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Published in Madroño, in 1976, in volume 23, issue 8, pages 456
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Published in Proceedings of The Entomological Society of Washington, in 1978, in volume 80, pages 508-513
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Published in Rhodora, in 1947, in volume 50, issue 590, pages 38-49
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Published in Nautilis, in 1941, in volume 54, pages 75-77
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Published in Phytologia, in 1979, in volume 41, issue 7, pages 447-448
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Published in Madroño, in 1949, in volume 10, issue 4, pages 108-110
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Published in Transactions of The Royal Society of South Australia, in 1974, in volume 98, pages 113-123
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Published in Entomological News, in 1957, in volume 68, pages 85-88
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Published in Rhodora, in 1972, in volume 74, issue 800, pages 495-516
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Published in Rhodora, in 1998, in volume 100, issue 904, pages 380-441
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Published in Acta Botánica Mexicana, in 2010, in volume 91, pages 1-7
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Published in Madroño, in 1995, in volume 42, issue 2, pages 123-126
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Published in Madroño, in 1975, in volume 23, issue 3, pages 153-159
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Published in The Canadian Entomologist, Ontario, in 1880, in volume 12, pages 148-152
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Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 2, pages 168
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Published in American Fern Journal, in 1983, in volume 73, pages 121
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Published in Journal of Raptor Research, in 2002, in volume 36, issue 2, pages 141-143
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Published in Annals of the Missouri Botanical Garden, in 1990, in volume 77, pages 605
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Published in The Wilson Bulletin, in 1976, in volume 88, issue 4, pages 603-610
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Published in Copeia, in 1917, in volume 47, pages 74-76
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Published in Rhodora, in 1964, in volume 66, pages 406-07
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Published in Sida, Contributions To Botany, in 1979, in volume 8, issue 2, pages 215-216
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Published in The Auk, in 1917, in volume 34, pages 337
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Published in Phytologia, in 1974, in volume 27, issue 6, pages 440
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Published in Madroño, in 1966, in volume 18, issue 6, pages 181-184
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Published in Torreya, in 1923, in volume 23, issue 6, pages 95-99
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Published in Proceedings of the Linnean Society of New South Wales, in 1894, in volume 8, pages 540-607
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Published in Proceedings of the Linnean Society of New South Wales, in 1895, in volume 10, pages 134-161
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Published in Proceedings of the Linnean Society of New South Wales, in 1890, in volume 5, pages 421-428
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Published in Rhodora, in 1976, in volume 78, pages 761-766
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Published in Rhodora, in 1965, in volume 66, issue 767, pages 278-279
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Published in Rhodora, in 1963, in volume 65, issue 761, pages 50-55
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Published in Journal of The Arnold Arboretum, in 1973, in volume 54, issue 2, pages 309-314
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Published in Contributions From The University of Michigan Herbarium, in 1972, in volume 9, issue 4, pages 359-484
Created: 2016-07-11, modified: 2016-07-11
Published in Proceedings of the Entomological Society of Washington, in 1953, in volume 55, pages 308-314
Created: 2011-05-06, modified: 2011-06-21