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Published in Rhodora, in 1938, in volume 40, issue 471, pages 136
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Published in Rhodora, in 1937, in volume 39, issue 468, pages 496
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Published in Asa Gray correspondence. Senders A, pages 1-2
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Published in Asa Gray correspondence. Senders He-Hi, 1846-1891 (inclusive), in 1888, pages 1-2
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Published in The Wilson Bulletin, in 1991, in volume 103, issue 1, pages 1-12
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Published in Rhodora, in 1960, in volume 62, issue 737, pages 134-141
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Published in Rhodora, in 1939, in volume 41, issue 484, pages 138
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Published in Botanical Gazette, in 1897, in volume 23, issue 1, pages 53-54
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Published in Novitates Zoologicae Tring, in 1928, in volume 34, issue 2, pages 53-70
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Published in Proceedings of The American Philosophical Society, in 1876, in volume 16, issue 98, pages 293-298
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Published in Transactions of The Royal Entomological Society of London, in 1895, in volume 43, pages 141-153
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Published in Novitates Zoologicae, in 1925, in volume 32, pages 31-69
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Published in Novitates Zoologicae Tring, in 1932, in volume 38, pages 103-126
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Published in Madroño, in 1936, in volume 3, issue 6, pages 230-231
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Published in Rhodora, in 1928, in volume 30, issue 359, pages 209-223
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Published in Botanical Gazette, in 1906, in volume 42, issue 4, pages 312
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Published in The Wilson Bulletin, in 1912, in volume 24, issue 2, pages 111-114
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Published in The Wilson Bulletin, in 1927, in volume 39, issue 3, pages 191-192
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Published in Fieldiana Botany, in 1962, in volume 29, issue 7, pages 375-389
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Published in Fieldiana. Botany, in 1963, in volume 29, issue 10, pages 545-586
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Published in Fieldiana Botany, in 1964, in volume 31, issue 2, pages 11-48
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Published in Fieldiana Botany, in 1970, in volume 32, issue 12, pages 179-206
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Published in Fieldiana: Botany, in 1968, in volume 32, issue 4, pages 35-61
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Published in Fieldiana Botany, in 1972, in volume 34, issue 8, pages 101-132
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Published in Rhodora, in 1937, in volume 39, issue 458, pages 51-52
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Published in The Wilson Bulletin, in 1987, in volume 99, issue 4, pages 628-641
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Published in Entomological News, Philadelphia, in 1902, in volume 13, issue 2, pages 33-34
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Published in Novitates Zoologicae Tring, in 1933, in volume 39, pages 90-98
Created: 2011-10-05, modified: 2017-06-06