Published in Breviora, in 1968, in volume 283, pages 1-21

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Published in Breviora, in 1960, in volume 124, pages 1-8

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Published in Breviora, in 1953, in volume 20, pages 1-8

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Published in Breviora, in 1953, in volume 19, pages 1-11

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Published in Breviora, in 1970, in volume 345, pages 1-21

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Published in Breviora, in 1953, in volume 21, pages 1-7

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Published in Breviora, in 1960, in volume 128, pages 1-7

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Published in Bulletin of The Museum of Comparative Zoology, in 1961, in volume 123, pages 497-532

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Published in Breviora, in 1960, in volume 126, pages 1-11

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Published in Boletín del Museo de Zoología Comparada de, in 1956, in volume 114, pages 325-494

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Published in Breviora, in 1966, in volume 248, pages 1-5

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Published in Bulletin of The Museum of Comparative Zoology, in 1968, in volume 136, pages 483-509

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Published in Bulletin of The Museum of Comparative Zoology, in 1972, in volume 143, pages 365-417

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Published in Bulletin of The Museum of Comparative Zoology, in 1963, in volume 128, pages 325-368

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Published in Bulletin of The Museum of Comparative Zoology, in 1969, in volume 137, pages 311-701

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Published in Bulletin of The Museum of Comparative Zoology, in 1960, in volume 123, pages 283-302

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Published in Annals of the Carnegie Museum, in 1944, in volume 30, issue 2, pages 19-38

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Published in Bulletin of The Museum of Comparative Zoology, in 1973, in volume 144, pages 409-433

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Published in Bulletin of The Museum of Comparative Zoology, in 1973, in volume 145, pages 359-472

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Published in Bulletin of The Museum of Comparative Zoology, in 1966, in volume 134, pages 361-429

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Published in Journal of The Botanical Research Institute of Texas, in 2014, in volume 8, issue 1, pages 203-225

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Published in Asa Gray correspondence. Senders B-Ba, in 1885, pages 1-6

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Published in Asa Gray correspondence. Senders B-Ba, in 1886, pages 1-6

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Published in William Marriot Canby letters to Asa Gray, 1861-1895, pages 1-2

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in 1853, pages 1-2

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in 1853, pages 1-2

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in 1855, pages 1-4

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Published in Phytologia, in 1990, in volume 68, pages 234-238

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

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Published in Erythea, in 1893, in volume 1, pages 145-147

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Published in Nautilus, in 1913, in volume 26, pages 109-110

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Published in Nautilis, in 1939, in volume 53, pages 8-16

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Published in Rhodora, in 1908, in volume 10, issue 119, pages 208

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Published in Stuttgarter Beiträge Naturkunde, in 1961, in volume 58, pages 1-13

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Published in Erythea, in 1893, in volume 1, pages 197-206

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Published in Entomological News, in 1987, in volume 98, pages 135-139

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Published in Proceedings of the Malacological Society of London, in 1907, in volume 7, issue 5, pages 243

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Published in Journal of The Bombay Natural History Society, in 1932, in volume 35, pages 891-893

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Published in Phytoneuron, in 2013, in volume 2013-62, pages 1

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Published in Phytologia, in 2009, in volume 91, issue 3, pages 439

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Published in Compositae Newsletter, in 1993, in volume 23, pages 1-2

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Published in Compositae Newsletter, in 1997, in volume 31, pages 1-16

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Published in Proceedings of the Malacological Society of London, in 1908, in volume 8, issue 2, pages 62-63

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Published in Proceedings of the Malacological Society of London, in 1909, in volume 8, issue 5, pages 268

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Published in Asa Gray correspondence. Senders Br-Bz, pages 1-2

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Published in Phytologia, in 1977, in volume 37, pages 177-208

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Published in Journal of South African Botany, in 1984, in volume 50, issue 3, pages 401-405

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Published in Phytologia, in 1993, in volume 75, issue 6, pages 481

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Published in Biol Bull, in 1961, in volume 120, pages 411-419

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Published in Novon, in 2007, in volume 17, pages 206-211

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