Published in Proceedings of The Biological Society of Washington, in 1932, in volume 45, pages 43-44

Created: 2011-07-31, modified: 2011-07-31

Published in Proceedings of The Biological Society of Washington, in 1902, in volume 15, pages 117-120

Created: 2011-07-31, modified: 2011-07-31

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 129-134

Created: 2011-07-31, modified: 2011-07-31

Published in Proceedings of The Biological Society of Washington, in 1923, in volume 36, pages 103-138

Created: 2011-07-31, modified: 2011-07-31

Published in Proceedings of The Biological Society of Washington, in 1932, in volume 45, pages 47-48

Created: 2011-07-31, modified: 2011-07-31

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 191-193

Created: 2011-07-31, modified: 2011-07-31

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 57

Created: 2012-03-19, modified: 2012-03-19

Published in Proceedings of The Biological Society of Washington, in 1896, in volume 10, pages 93-101

Created: 2011-07-31, modified: 2011-07-31

Published in Proceedings of The Biological Society of Washington, in 1898, in volume 12, pages 21-22

Created: 2011-07-31, modified: 2011-07-31

Published in Proceedings of The Biological Society of Washington, in 1910, in volume 23, pages 79-80

Created: 2011-07-31, modified: 2021-04-05

Published in Proceedings of The Biological Society of Washington, in 1917, in volume 30, pages 29-30

Created: 2011-07-31, modified: 2021-04-05

Published in Proceedings of The Biological Society of Washington, in 1935, in volume 48, pages 187-189

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Published in Proceedings of The Biological Society of Washington, in 1897, in volume 11, pages 113-138

Created: 2011-07-31, modified: 2011-07-31

Published in Proceedings of The Biological Society of Washington, in 1898, in volume 12, pages 85-90

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Published in Proceedings of The Biological Society of Washington, in 1918, in volume 31, pages 31-32

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Published in Madroño, in 2021, in volume 68, issue 2, pages 67-68

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Published in Proceedings of The Biological Society of Washington, in 1914, in volume 27, pages 115-118

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Published in Asa Gray correspondence. Senders B-Ba, in 1842, pages 1-3

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Published in Asa Gray correspondence. Senders B-Ba, pages 1-2

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Published in The Auk, in 1919, in volume 36, pages 434

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Published in Proceedings of The Biological Society of Washington, in 1912, in volume 25, pages 109-110

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Published in Journal of The Arnold Arboretum, in 1962, in volume 43, issue 3, pages 234-278

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Published in Journal of The Arnold Arboretum, in 1944, in volume 25, issue 3, pages 342-348

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Published in Asa Gray correspondence. Senders B-Ba, in 1886, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1840, pages 1-4

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Published in Asa Gray correspondence. Senders B-Ba, in 1844, pages 1-3

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Published in Asa Gray correspondence. Senders B-Ba, in 1844, pages 1-3

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Published in Asa Gray correspondence. Senders B-Ba, in 1856, pages 1

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Published in Asa Gray correspondence. Senders B-Ba, in 1856, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1852, pages 1-3

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Published in Asa Gray correspondence. Senders B-Ba, in 1854, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1856, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1848, pages 1-3

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Published in Asa Gray correspondence. Senders B-Ba, in 1867, pages 1-6

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Published in Asa Gray correspondence. Senders B-Ba, in 1885, pages 1-2

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Published in Rhodora, in 1916, in volume 18, pages 152-156

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Published in Botanical Gazette, in 1888, in volume 13, issue 5, pages 118-124

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Published in Asa Gray correspondence. Senders B-Ba, in 1844, pages 1

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Published in Asa Gray correspondence. Senders B-Ba, in 1891, pages 1

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Published in Asa Gray correspondence. Senders B-Ba, in 1890, pages 1

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Published in Asa Gray correspondence. Senders B-Ba, in 1902, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1886, pages 1

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

Published in Asa Gray correspondence. Senders B-Ba, in 1886, pages 1

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

Published in Asa Gray correspondence. Senders B-Ba, in 1886, pages 1

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

Published in Asa Gray correspondence. Senders B-Ba, in 1886, pages 1

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

Published in Asa Gray correspondence. Senders B-Ba, in 1886, pages 1

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

Published in Asa Gray correspondence. Senders B-Ba, in 1886, pages 1-2

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

Published in Asa Gray correspondence. Senders B-Ba, in 1888, pages 1

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

Published in Asa Gray correspondence. Senders B-Ba, in 1888, pages 1-2

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

Published in Asa Gray correspondence. Senders B-Ba, in 1888, pages 1-2

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