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Published in Telopea, in 1983, in volume 2, issue 4, pages 413-424

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Published in Rhodora, in 1954, in volume 56, issue 665, pages 81-95

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Published in Annals of the Missouri Botanical Garden, in 1961, in volume 48, pages 133-136

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Published in Botanical Museum Leaflets, Harvard University, in 1953, in volume 16, pages 115-172

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Published in Madroño, in 1968, in volume 19, issue 5, pages 179-182

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Published in Phytologia, in 1972, in volume 24, issue 4, pages 285-292

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Published in Rhodora, in 1954, in volume 56, issue 663, pages 45-61

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Published in Phytologia, in 1971, in volume 21, pages 433-439

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Published in Phytologia, in 1971, in volume 21, pages 440-443

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Published in Novon, in 1995, in volume 5, pages 140-145

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Published in Novon, in 1997, in volume 7, pages 120-126

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Published in Novon, in 1998, in volume 8, pages 137-139

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Published in Pan-Pacific Entomologist, in 1986, in volume 62, issue 3, pages 229-236

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Published in Novon, in 1996, in volume 6, pages 256-261

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Published in The Auk, in 1893, in volume 10, pages 346

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Published in Acta Botánica Mexicana, in 2006, in volume 75, pages 101-103

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Published in The Wilson Bulletin, in 1930, in volume 42, issue 2, pages 109-110

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Published in Asa Gray correspondence. Senders Ca-Cl, in 1856, pages 1-2

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Published in Asa Gray correspondence. Senders Ca-Cl, in 1863, pages 1-2

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Published in Asa Gray correspondence. Senders Ca-Cl, in 1865, pages 1-4

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Published in Adansonia, in 1978, in volume 18, issue 3, pages 365-373

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Published in Bulletin of The African Bird Club, in 2012, in volume 19, issue 2, pages 240-241

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Published in Ibis, in 1922, in volume 4, issue 3, pages 572

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Published in Annals of the Missouri Botanical Garden, in 1941, in volume 28, pages 409-491

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Published in Madroño, in 1981, in volume 28, issue 3, pages 159-162

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Published in Madroño, in 1981, in volume 28, issue 3, pages 188-190

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Published in The Auk, in 1904, in volume 21, pages 305-306

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Published in Biol Bull, in 1975, in volume 148, pages 357-369

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Published in The Auk, in 1907, in volume 24, pages 450-451

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Published in The Auk, in 1890, in volume 7, pages 74-77

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Published in Psyche: A Journal of Entomology, in 1974, in volume 81, issue 1, pages 155-166

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Published in Madroño, in 1990, in volume 37, issue 3, pages 195-199

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Published in Asa Gray correspondence. Senders He-Hi, 1846-1891 (inclusive), in 1849, pages 1-2

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Published in Asa Gray correspondence. Senders He-Hi, 1846-1891 (inclusive), in 1849, pages 1-2

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Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-3

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Published in Rhodora, in 1960, in volume 62, issue 739, pages 201-203

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Published in Ibis, in 1921, in volume 3, issue 2, pages 317-319

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Published in The Auk, in 1895, in volume 12, pages 70-71

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Published in Proceedings of The American Philosophical Society, in 1875, in volume 14, issue 95, pages 650

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Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-3

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Published in The Auk, in 1885, in volume 2, pages 359-363

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Published in Nautilis, in 1938, in volume 51, pages 142-143

Created: 2013-09-28, modified: 2013-09-28

Published in Madroño, in 1959, in volume 15, issue 3, pages 96

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Published in Sida, Contributions To Botany, in 1991, in volume 14, issue 3, pages 391-398

Created: 2015-12-02, modified: 2015-12-02

Published in Sida, Contributions To Botany, in 1994, in volume 16, issue 1, pages 57-61

Created: 2015-12-02, modified: 2015-12-02