Published in Madroño, in 1956, in volume 13, issue 5, pages 145-167

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Published in Madroño, in 1946, in volume 8, issue 7, pages 226-229

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Published in Madroño, in 1963, in volume 17, issue 4, pages 118-127

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Published in Madroño, in 1947, in volume 9, issue 3, pages 103-104

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Published in Madroño, in 1948, in volume 9, issue 8, pages 238-241

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Published in Rhodora, in 1958, in volume 60, issue 718, pages 272-283

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Published in Annals of the Missouri Botanical Garden, in 1945, in volume 32, pages 265-278

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Published in Madroño, in 1970, in volume 20, issue 7, pages 384

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Published in Annals of the Missouri Botanical Garden, in 1965, in volume 52, pages 364-370

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Published in Annals of the Missouri Botanical Garden, in 1944, in volume 31, pages 279-300

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Published in Annals of the Missouri Botanical Garden, in 1972, in volume 59, pages 362-372

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Published in Rhodora, in 1964, in volume 66, issue 768, pages 344-358

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Published in Madroño, in 1986, in volume 33, issue 3, pages 232

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Published in Kirtlandia, in 2002, in volume 53, pages 27-34

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Published in Zeitschrift für wissenschaftliche Insektenbiologie, in 1907, in volume 3, pages 387-388

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Published in Rhodora, in 1963, in volume 65, issue 762, pages 121-133

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Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1

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Published in Annals of the Missouri Botanical Garden, in 1945, in volume 32, pages 287-296

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Published in Novon, in 2005, in volume 15, pages 290-292

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Published in Asa Gray correspondence. Senders B-Ba, in 1849, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1868, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1880, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1881, pages 1-2

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

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Published in Asa Gray correspondence. Senders B-Ba, in 1869, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1880, pages 1-2

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Published in Torreya, in 1932, in volume 32, issue 5, pages 109-115

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Published in Rhodora, in 1904, in volume 6, issue 62, pages 25-27

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Published in Asa Gray correspondence. Senders B-Ba, in 1891, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1891, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1891, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1891, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1890, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1890, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1890, pages 1-3

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Published in Asa Gray correspondence. Senders B-Ba, in 1890, pages 1-3

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Published in Asa Gray correspondence. Senders B-Ba, in 1891, pages 1-2

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

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Published in Asa Gray correspondence. Senders B-Ba, in 1890, pages 1-3

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Published in Asa Gray correspondence. Senders B-Ba, in 1890, pages 1-2

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

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Published in Asa Gray correspondence. Senders B-Ba, in 1890, pages 1-2

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

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

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

Published in The Auk, in 1913, in volume 30, pages 449-450

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

Published in The Auk, in 1889, in volume 6, pages 218-219

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

Published in The Auk, in 1898, in volume 15, pages 278-279

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

Published in The Auk, in 1892, in volume 9, pages 271-273

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

Published in The Auk, in 1891, in volume 8, pages 41-46

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

Published in Proceedings of The American Philosophical Society, in 1918, in volume 57, issue 220, pages 60-68

Created: 2017-01-01, modified: 2017-01-01

Published in The Auk, in 1897, in volume 14, pages 418-419

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