Published in Proceedings of The American Philosophical Society, in 1895, in volume 34, issue 149, pages 468-471

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Published in Ibis, in 1873, in volume 3, issue 3, pages 260-269

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Published in Ibis, in 1869, in volume 5, issue 4, pages 426-434

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Published in Ibis, in 1870, in volume 6, issue 3, pages 378-392

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Published in Ibis, in 1870, in volume 6, issue 2, pages 201-213

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Published in Ibis, in 1869, in volume 5, issue 3, pages 304-310

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Published in The Auk, in 1920, in volume 37, pages 473-474

Created: 2013-03-08, modified: 2013-03-08

Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1897, pages 1-2

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1888, pages 1-2

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), pages 1

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Published in Nautilis, in 1902, in volume 16, pages 73-75

Created: 2013-09-28, modified: 2013-09-28

Published in Botanical Gazette, in 1882, in volume 7, issue 10, pages 122

Created: 2017-03-14, modified: 2017-03-14

Published in Madroño, in 1986, in volume 33, issue 4, pages 299

Created: 2016-02-15, modified: 2016-07-07

Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1863, pages 1-4

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1863, pages 1-2

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1863, pages 1-2

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1864, pages 1-2

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1865, pages 1-2

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1865, pages 1-2

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1882, pages 1-2

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1882, pages 1-2

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1882, pages 1-2

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1882, pages 1

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1882, pages 1-2

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1883, pages 1-2

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1885, pages 1-4

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1887, pages 1-2

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1882, pages 1-2

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1883, pages 1-2

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Published in The Auk, in 1904, in volume 21, pages 305-306

Created: 2013-03-08, modified: 2013-03-08

Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1863, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Rhodora, in 1968, in volume 70, issue 783, pages 455-456

Created: 2016-07-19, modified: 2016-07-19

Published in American Fern Journal, in 1995, in volume 85, pages 134-181

Created: 2017-04-23, modified: 2017-04-23

Published in Madroño, in 1963, in volume 17, issue 3, pages 91-92

Created: 2016-02-15, modified: 2016-07-07

Published in Entomologische Nachrichten, in 1888, in volume 14, pages 57-61

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1879, pages 1-2

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1890, pages 1-2

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1890, pages 1-2

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1890, pages 1

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1890, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1890, pages 1-2

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1890, pages 1-2

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1890, pages 1-2

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1893, pages 1-4

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1890, pages 1-2

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Published in Wiener Entomologische Zeitung, in 1904, in volume 23, pages 288

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Published in Wiener Entomologische Zeitung, in 1914, in volume 33, pages 149

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Published in Wiener Entomologische Zeitung, in 1884, in volume 3, pages 8

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Published in Wiener Entomologische Zeitung, in 1917, in volume 36, pages 228

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Published in Rhodora, in 1954, in volume 56, issue 663, pages 61-62

Created: 2014-06-16, modified: 2016-07-26