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Published in Annals of the Missouri Botanical Garden, in 1966, in volume 53, pages 258-259
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Published in Asa Gray correspondence. Senders Ga-Go, 1835-1891 (inclusive), in 1883, 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 1842, 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 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 Annals of the Missouri Botanical Garden, in 1995, in volume 82, pages 16-24
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Published in Torreya, in 1928, in volume 28, issue 1, pages 13-14
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Published in Journal of South African botany, in 1948, in volume 14, pages 29-40
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Published in The Auk, in 1920, in volume 37, pages 499-505
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Published in Transactions of The American Microscopical Society, in 1916, in volume 35, pages 195
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Published in Botanical Gazette, in 1884, in volume 9, issue 1, pages 7-10
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