Published in Rhodora, in 1970, in volume 72, issue 792, pages 460-479

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Published in Madroño, in 1944, in volume 7, issue 6, pages 161-180

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Published in Rhodora, in 1977, in volume 79, pages 95-114.

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Published in Rhodora, in 1978, in volume 80, pages 491-512

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Published in Alytes, in 1984, in volume 3, issue 2, pages 90-92

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Published in Rhodora, in 1980, in volume 82, pages 377-402.

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Published in Journal of The Arnold Arboretum, in 1969, in volume 50, issue 1, pages 138-152

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Published in Asa Gray correspondence. Senders Ga-Go, 1835-1891 (inclusive), pages 1-2

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Published in Memoirs of The Queensland Museum, in 1993, in volume 33, pages 667-674

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Published in Asa Gray correspondence. Senders Ga-Go, 1835-1891 (inclusive), in 1872, pages 1-2

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Published in Asa Gray correspondence. Senders Ga-Go, 1835-1891 (inclusive), in 1874, pages 1-2

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Published in Asa Gray correspondence. Senders Ga-Go, 1835-1891 (inclusive), in 1877, pages 1-2

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Published in Asa Gray correspondence. Senders Ga-Go, 1835-1891 (inclusive), in 1860, pages 1-2

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Published in Asa Gray correspondence. Senders Ga-Go, 1835-1891 (inclusive), in 1851, pages 1-2

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Published in Asa Gray correspondence. Senders Ga-Go, 1835-1891 (inclusive), pages 1-2

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Published in Asa Gray correspondence. Senders Ga-Go, 1835-1891 (inclusive), in 1851, pages 1-2

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Published in Asa Gray correspondence. Senders Ga-Go, 1835-1891 (inclusive), in 1852, pages 1-3

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Published in Asa Gray correspondence. Senders Ga-Go, 1835-1891 (inclusive), in 1853, pages 1-2

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Published in Asa Gray correspondence. Senders Ga-Go, 1835-1891 (inclusive), in 1856, pages 1-2

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Published in Asa Gray correspondence. Senders Ga-Go, 1835-1891 (inclusive), in 1857, pages 1-2

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Published in Asa Gray correspondence. Senders Ga-Go, 1835-1891 (inclusive), in 1858, pages 1-2

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Published in Asa Gray correspondence. Senders Ga-Go, 1835-1891 (inclusive), in 1850, pages 1-3

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Published in Asa Gray correspondence. Senders Ga-Go, 1835-1891 (inclusive), in 1851, pages 1-3

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Published in Asa Gray correspondence. Senders Ga-Go, 1835-1891 (inclusive), in 1855, pages 1-2

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Published in Asa Gray correspondence. Senders Ga-Go, 1835-1891 (inclusive), in 1854, pages 1-2

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Published in Asa Gray correspondence. Senders Ga-Go, 1835-1891 (inclusive), in 1854, pages 1-2

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Published in Asa Gray correspondence. Senders Ga-Go, 1835-1891 (inclusive), in 1864, pages 1-2

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Published in Asa Gray correspondence. Senders Ga-Go, 1835-1891 (inclusive), pages 1-4

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Published in Journal of The Arnold Arboretum, in 1969, in volume 50, issue 3, pages 411-431

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

Published in Asa Gray correspondence. Senders Ga-Go, 1835-1891 (inclusive), in 1851, pages 1-3

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Published in Rhodora, in 1938, in volume 40, issue 470, pages 76

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Published in Annals of the Missouri Botanical Garden, in 1990, in volume 77, pages 802-815

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Published in Botanical Gazette, in 1881, in volume 6, issue 10, pages 274-279

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Published in Journal of The Arnold Arboretum, in 1966, in volume 47, issue 1, pages 9-22

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Published in Journal of Arachnology, in 2005, in volume 33, issue 3, pages 663-669

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Published in Entomological News, in 1916, in volume 27, pages 178

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Published in Biol Bull, in 1973, in volume 144, pages 383-390

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Published in Copeia, in 1917, in volume 47, pages 74-76

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Published in The Auk, in 1917, in volume 34, pages 337

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Published in Entomologica Americana, in 1887, in volume 3, pages 45-46

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Published in Botanical Gazette, in 1905, in volume 40, issue 3, pages 209-223

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