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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 1857, pages 1-2

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Published in Asa Gray correspondence. Senders Ga-Go, 1835-1891 (inclusive), in 1882, pages 1-2

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Published in Asa Gray correspondence. Senders Ga-Go, 1835-1891 (inclusive), in 1882, 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 1857, pages 1-4

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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 1850, pages 1-2

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Published in Nautilis, in 1926, in volume 39, pages 140-141

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Published in Annals of the Missouri Botanical Garden, in 1966, in volume 53, pages 110

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Published in Botanical Gazette, in 1884, in volume 9, issue 1, pages 7-10

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Published in Botanical Gazette, in 1922, in volume 73, issue 1, pages 1-25

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Published in Deutsche Entomologische Zeitschrift, in 1895, in volume 1895, issue 1, pages 261-266

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Published in The Wilson Bulletin, in 1999, in volume 111, issue 4, pages 478-487

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Published in The Auk, in 1919, in volume 36, pages 205-217

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Published in The Auk, in 1919, in volume 36, pages 422-423

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Published in Scopus, in 1983, in volume 7, pages 94-95

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Published in Psyche: A Journal of Entomology, in 1893, in volume 6, issue 201, pages 372

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