Published in Bericht über die Senckenbergische Naturforschende Gesellschaft in Frankfurt am Main, in 1872, in volume 1872, pages 50-58
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Published in Annals And Magazine of Natural History, in 1887, in volume 19, pages 168
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Published in Botanical Gazette, in 1898, in volume 25, issue 1, pages 1-12
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Published in Torreya, in 1901, in volume 1, issue 10, pages 120-122
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Published in Journal of The New York Entomological Society, in 1997, in volume 105, issue 1/2, pages 45-49
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Published in Journal of Hymenoptera Research, in 2010, in volume 19, pages 4-11
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Published in Journal of The New York Entomological Society, in 1995, in volume 103, issue 2, pages 129-137
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Published in Journal of The New York Entomological Society, in 1996, in volume 104, issue 1/2, pages 62-69
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Published in Madroño, in 1999, in volume 46, issue 4, pages 199-204
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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1858, pages 1-3
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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1859, pages 1-3
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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), pages 1
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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), pages 1
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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1860, pages 1-3
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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1854, pages 1-5
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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1854, pages 1-2
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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1854, pages 1
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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1857, pages 1-2
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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1858, pages 1-3
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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1855, pages 1
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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1856, pages 1-3
Created: 2017-06-24, modified: 2017-06-24
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1854, pages 1
Created: 2017-06-24, modified: 2017-06-24
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1860, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1857, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1860, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), pages 1
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Published in Phytologia, in 1968, in volume 17, pages 249-328,
Created: 2011-01-26, modified: 2011-06-21
Published in Nautilis, in 1908, in volume 22, pages 11-12
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Published in Botanical Gazette, in 1877, in volume 2, issue 12, pages 142-143
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Published in Botanical Gazette, in 1895, in volume 20, issue 9, pages 429
Created: 2017-03-14, modified: 2017-03-14
Published in Madroño, in 1923, in volume 1, issue 8, pages 132
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Published in Journal of The New York Entomological Society, in 1999, in volume 107, issue 4, pages 390-405
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Published in Ent. News, in 1939, in volume 50, pages 256-259
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Published in Phytologia, in 1975, in volume 32, pages 1-30
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Published in Rhodora, in 1973, in volume 75, issue 802, pages 297-303
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Published in Nautilis, in 1898, in volume 12, pages 65-66
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Published in Nautilis, in 1914, in volume 27, pages 104-106
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Published in Nautilis, in 1922, in volume 36, pages 30-31
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Published in Phytologia, in 1976, in volume 35, issue 2, pages 133-172
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Published in Botanical Gazette, in 1877, in volume 2, issue 5, pages 89-90
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Published in Botanical Gazette, in 1921, in volume 71, issue 2, pages 152-154
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Published in Entomologische Rundschau, in 1921, in volume 38, pages 43-44
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Published in Phytologia, in 1978, in volume 39, pages 457-500
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Published in Phytologia, in 1976, in volume 33, pages 107-127
Created: 2011-01-26, modified: 2023-02-16
Published in Phytologia, in 1973, in volume 27, pages 330-348
Created: 2011-01-26, modified: 2023-02-16
Published in Phytologia, in 1975, in volume 31, pages 1-15
Created: 2011-01-26, modified: 2023-02-16
Published in Phytologia, in 1975, in volume 31, pages 129-192
Created: 2011-01-26, modified: 2023-02-16
Published in Rhodora, in 1961, in volume 63, issue 756, pages 346-347
Created: 2014-06-16, modified: 2016-07-26
Published in Rhodora, in 1901, in volume 3, issue 28, pages 90-91
Created: 2016-07-19, modified: 2016-07-19
Published in Phytologia, in 1981, in volume 48, pages 1-71
Created: 2011-01-26, modified: 2011-06-21