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Published in Rhodora, in 1911, in volume 13, issue 155, pages 240

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Published in Torreya, in 1909, in volume 9, issue 2, pages 21-28

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Published in Rhodora, in 1972, in volume 74, issue 797, pages 124-126

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Published in Botanical Gazette, in 1920, in volume 69, issue 3, pages 218-236

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Published in The Wilson Bulletin, in 1945, in volume 57, issue 1, pages 86

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Published in Rhodora, in 1937, in volume 39, pages 425-8

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Published in The Auk, in 1890, in volume 7, pages 404-407

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Published in The Auk, in 1910, in volume 27, pages 33-35

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Published in The Auk, in 1919, in volume 36, pages 163-169

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Published in Botanical Gazette, in 1911, in volume 51, issue 3, pages 229-230

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Published in Botanical Gazette, in 1919, in volume 67, issue 4, pages 281-308

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Published in Madroño, in 1974, in volume 22, issue 8, pages 397-400

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Published in Biol Bull, in 1912, in volume 23, pages 154-170

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Published in The Auk, in 1905, in volume 22, pages 316-318

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Published in Pacific Science, in 1965, in volume 19, issue 3, pages 374-380

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Published in Botanical Gazette, in 1918, in volume 65, issue 5, pages 460-474

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Published in Asa Gray correspondence. Senders K, 1842-1891 (inclusive), in 1874, pages 1-3

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Published in The Auk, in 1911, in volume 28, pages 219-225

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Published in The Auk, in 1910, in volume 27, pages 418-427

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Published in Madroño, in 2005, in volume 52, pages 128-130

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Published in The Great Basin Naturalist, in 1981, in volume 41, pages 192-197

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Published in Adansonia, in 1998, in volume 20, issue 1, pages 107-130

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Published in The Auk, in 1898, in volume 15, pages 206-207

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Published in The Auk, in 1896, in volume 13, pages 38-43

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Published in Madroño, in 1986, in volume 33, issue 4, pages 307-308

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Published in The Wilson Bulletin, in 1916, in volume 28, issue 2, pages 51-58

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Published in Quarterly Journal of The Florida Academy of Sciences, in 1968, in volume 31, pages 268-270

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Published in American Fern Journal, in 1985, in volume 75, pages 6-11

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Published in Zoologica, in 1939, in volume 24, issue 29, pages 477-480

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Published in Botanical Gazette, in 1889, in volume 14, issue 6, pages 145-151

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Published in Botanical Gazette, in 1916, in volume 61, issue 1, pages 70-72

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Published in Botanical Gazette, in 1917, in volume 64, issue 6, pages 521-524

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Published in Botanical Gazette, in 1918, in volume 65, issue 1, pages 112-115

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Published in Biol Bull, in 1952, in volume 103, pages 226-241

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Published in The Auk, in 1904, in volume 21, pages 349-363

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Published in The Auk, in 1896, in volume 13, pages 115-124

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Published in The Auk, in 1919, in volume 36, pages 434

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Published in American Fern Journal, in 1982, in volume 72, pages 33-35

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Published in Botanical Gazette, in 1898, in volume 25, issue 6, pages 418-426

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Published in Rhodora, in 1939, in volume 41, issue 484, pages 139

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Published in Biol Bull, in 1910, in volume 20, pages 14-18

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Published in Annals of the Missouri Botanical Garden, in 1992, in volume 79, pages 718-729

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Published in The Auk, in 1915, in volume 32, pages 115

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Published in The Auk, in 1904, in volume 21, pages 392-393

Created: 2013-03-08, modified: 2013-03-08

Published in The Auk, in 1903, in volume 20, pages 76-78

Created: 2013-03-08, modified: 2013-03-08