Published in Smithsonian Miscellaneous Collections, in 1942, in volume 103, issue 5, pages 1-136
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Published in Asa Gray correspondence. Senders Be-Bo, pages 1-2
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Published in Asa Gray correspondence. Senders Be-Bo, in 1882, pages 1-2
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Published in Asa Gray correspondence. Senders Be-Bo, in 1887, pages 1-3
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Published in Asa Gray correspondence. Senders Be-Bo, in 1890, pages 1-2
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Published in Asa Gray correspondence. Senders Be-Bo, in 1888, pages 1
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Published in Asa Gray correspondence. Senders Be-Bo, in 1888, pages 1
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Published in Asa Gray correspondence. Senders Be-Bo, in 1889, pages 1-2
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Published in Asa Gray correspondence. Senders Be-Bo, in 1880, pages 1-2
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Published in The Wilson Bulletin, in 1897, in volume 9, issue 4, pages 13
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Published in Botanical Gazette, in 1893, in volume 18, issue 9, pages 329-333
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Published in Botanical Gazette, in 1916, in volume 61, issue 6, pages 528-529
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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1878, pages 1-2
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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1890, pages 1-2
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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1887, pages 1
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Published in Botanical Gazette, in 1887, in volume 12, issue 3, pages 64-65
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Published in Botanical Gazette, in 1893, in volume 18, issue 1, pages 36-37
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Published in The Victorian Naturalist, in 1933, in volume 50, issue 3, pages 57-60
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Published in Rhodora, in 1901, in volume 3, issue 26, pages 34-35
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Published in Botanical Gazette, in 1899, in volume 27, issue 1, pages 71
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Published in Pacific Science, in 1960, in volume 14, issue 2, pages 89-100
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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1890, pages 1-2
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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1890, pages 1
Created: 2017-06-24, modified: 2017-06-24
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1891, pages 1
Created: 2017-06-24, modified: 2017-06-24
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1890, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1891, pages 1
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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1888, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1888, pages 1-2
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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1890, pages 1
Created: 2017-06-24, modified: 2017-06-24
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1890, pages 1
Created: 2017-06-24, modified: 2017-06-24
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1890, pages 1-2
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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1887, pages 1
Created: 2017-06-24, modified: 2017-06-24
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1888, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1888, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1889, pages 1
Created: 2017-06-24, modified: 2017-06-24
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1889, pages 1
Created: 2017-06-24, modified: 2017-06-24
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1889, pages 1
Created: 2017-06-24, modified: 2017-06-24
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1890, pages 1
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Published in Botanical Gazette, in 1880, in volume 5, issue 8/9, pages 96-103
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Published in Botanical Gazette, in 1897, in volume 24, issue 3, pages 145-178
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Published in Botanical Gazette, in 1904, in volume 37, issue 2, pages 127-138
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Published in Palaeontology, in 1987, in volume 30, issue 2, pages 353-405
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Published in Torreya, in 1910, in volume 10, issue 2, pages 43-50
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Published in The Victorian Naturalist, in 1950, in volume 67, issue 7, pages 146-148
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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1892, pages 1-2
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Published in Biol Bull, in 1958, in volume 115, pages 219-226
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Published in The Wilson Bulletin, in 1937, in volume 49, issue 4, pages 286-292
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Published in Rhodora, in 1970, in volume 72, issue 790, pages 250
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Published in Journal of Arachnology, in 1988, in volume 16, issue 2, pages 278-280
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Published in Madroño, in 1976, in volume 23, issue 5, pages 297-299
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