Published in Asa Gray correspondence. Senders A, in 1890, pages 1-3

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Published in Asa Gray correspondence. Senders A, in 1890, pages 1-2

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Published in Asa Gray correspondence. Senders A, in 1890, pages 1-3

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Published in Asa Gray correspondence. Senders A, in 1890, pages 1

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Published in Asa Gray correspondence. Senders A, in 1890, pages 1

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Published in Asa Gray correspondence. Senders A, in 1890, pages 1

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Published in Asa Gray correspondence. Senders A, in 1891, pages 1-3

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Published in Nautilis, in 1896, in volume 10, pages 93-94

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Published in Asa Gray correspondence. Senders Ha, 1835-1895 (inclusive), in 1885, pages 1-2

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Published in Proceedings of The American Philosophical Society, in 1880, in volume 19, issue 107, pages 118-152

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Published in Phytologia, in 1982, in volume 50, issue 6, pages 393-400

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Published in Journal of The New York Entomological Society, in 1940, in volume 48, issue 1, pages 33-36

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Published in The Auk, in 1910, in volume 27, pages 355-356

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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1891, in volume 43, pages 342-388

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Published in Moscosoa, in 1989, in volume 5, pages 250-264

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Published in Proceedings of The American Philosophical Society, in 1871, in volume 12, issue 81, pages 171-173

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Published in Proceedings of The American Philosophical Society, in 1895, in volume 34, issue 149, pages 357-361

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Published in Phytologia, in 1983, in volume 52, issue 5, pages 336-348

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Published in Phytologia, in 1986, in volume 61, pages 209-230

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Published in Proceedings of The American Philosophical Society, in 1890, in volume 28, issue 132, pages 59-61

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Published in American Fern Journal, in 1978, in volume 68, pages 30

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Published in Torreya, in 1901, in volume 1, issue 5, pages 54-56

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Published in Henry Nicholas Bolander letters to Asa Gray, 1863-1957, in 1868, pages 1-2

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Published in Phytologia, in 1985, in volume 57, issue 2, pages 97-106

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Published in Phytologia, in 1983, in volume 52, issue 5, pages 331-335

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Published in Phytologia, in 1983, in volume 53, issue 6, pages 417-422

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Published in Phytologia, in 1983, in volume 53, issue 6, pages 423-428

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Published in Henry Nicholas Bolander letters to Asa Gray, 1863-2006, in 1874, pages 1-2

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Published in Henry Nicholas Bolander letters to Asa Gray, 1863-2008, in 1876, pages 1-2

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Published in Henry Nicholas Bolander letters to Asa Gray, 1863-2010, in 1877, pages 1

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Published in Henry Nicholas Bolander letters to Asa Gray, 1863-2011, in 1882, pages 1-2

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Published in Henry Nicholas Bolander letters to Asa Gray, 1863-2000, in 1873, pages 1-2

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Published in Henry Nicholas Bolander letters to Asa Gray, 1863-2002, in 1873, pages 1-2

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Published in Henry Nicholas Bolander letters to Asa Gray, 1863-2004, in 1874, pages 1-2

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Published in Henry Nicholas Bolander letters to Asa Gray, 1863-1990, in 1873, pages 1-2

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Published in Henry Nicholas Bolander letters to Asa Gray, 1863-1992, in 1873, pages 1-2

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Published in Henry Nicholas Bolander letters to Asa Gray, 1863-1994, in 1873, pages 1-2

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Published in Henry Nicholas Bolander letters to Asa Gray, 1863-1986, in 1872, pages 1-2

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Published in Henry Nicholas Bolander letters to Asa Gray, 1863-1988, in 1872, pages 1-2

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Published in Henry Nicholas Bolander letters to Asa Gray, 1863-1996, in 1873, pages 1-2

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Published in Henry Nicholas Bolander letters to Asa Gray, 1863-1998, in 1873, pages 1-2

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Published in Henry Nicholas Bolander letters to Asa Gray, 1863-1984, in 1872, pages 1-2

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Published in Henry Nicholas Bolander letters to Asa Gray, 1863-1938, in 1867, pages 1-4

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Published in Henry Nicholas Bolander letters to Asa Gray, 1863-1942, in 1867, pages 1-2

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Published in Henry Nicholas Bolander letters to Asa Gray, 1863-1944, in 1867, pages 1-2

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Published in Henry Nicholas Bolander letters to Asa Gray, 1863-1946, in 1868, pages 1-3

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Published in Henry Nicholas Bolander letters to Asa Gray, 1863-1949, in 1868, pages 1-2

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Published in Henry Nicholas Bolander letters to Asa Gray, 1863-1951, in 1868, pages 1-2

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Published in Henry Nicholas Bolander letters to Asa Gray, 1863-1953, in 1868, pages 1-4

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