Published in Rhodora, in 1950, in volume 52, issue 620, pages 185-188
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Published in PHYTOLOGIA, in 1950, in volume 3, issue 5, pages 282
Created: 2016-05-06, modified: 2016-05-06
Published in Rhodora, in 1944, in volume 46, issue 542, pages 29-31
Created: 2016-07-19, modified: 2016-07-19
Published in Sida, Contributions To Botany, in 1992, in volume 15, issue 2, pages 346-347
Created: 2015-12-02, modified: 2015-12-02
Published in Rhodora, in 1950, in volume 52, issue 619, pages 179-183
Created: 2016-07-19, modified: 2016-07-19
Published in American Fern Journal, in 1960, in volume 50, pages 266-267
Created: 2017-04-23, modified: 2017-04-23
Published in Rhodora, in 1972, in volume 74, issue 799, pages 436-439
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Published in Sida, Contributions To Botany, in 1979, in volume 8, issue 1, pages 115-116
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Published in American Fern Journal, in 1954, in volume 44, pages 155-158
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Published in Rhodora, in 1950, in volume 52, issue 622, pages 229-232
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Published in Sida, Contributions To Botany, in 1967, in volume 3, issue 1, pages 1-76
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Published in Sida, Contributions To Botany, in 1969, in volume 3, issue 5, pages 309-310
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Published in American Fern Journal, in 1966, in volume 56, pages 145-149
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Published in Rhodora, in 1959, in volume 61, issue 732, pages 302-305
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Published in Sida, Contributions To Botany, in 2005, in volume 21, issue 3, pages 1941-1950
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Published in Rhodora, in 1970, in volume 72, pages 289-312
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Published in Sida, Contributions To Botany, in 1979, in volume 8, issue 2, pages 170-180
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Published in American Fern Journal, in 1972, in volume 62, pages 30
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Published in Sida, Contributions To Botany, in 1964, in volume 1, issue 6, pages 346-357
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Published in Sida, Contributions To Botany, in 1972, in volume 5, issue 1, pages 42-43
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Published in Rhodora, in 1971, in volume 73, issue 794, pages 244-248
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Published in Botanical Gazette, in 1917, in volume 63, issue 5, pages 417-418
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Published in Rhodora, in 1970, in volume 72, issue 789, pages 51-65
Created: 2014-06-16, modified: 2016-07-26
Published in Rhodora, in 1964, in volume 66, issue 765, pages 87-92
Created: 2014-06-16, modified: 2016-07-26
Published in Rhodora, in 1962, in volume 64, issue 757, pages 60-62
Created: 2014-06-16, modified: 2016-07-26
Published in The Auk, in 1903, in volume 20, pages 82-83
Created: 2013-03-08, modified: 2013-03-08
Published in Torreya, in 1912, in volume 12, issue 9, pages 208-215
Created: 2022-12-14, modified: 2022-12-14
Published in Torreya, in 1912, in volume 12, issue 8, pages 183-189
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Published in Torreya, in 1912, in volume 12, issue 5, pages 97-107
Created: 2022-12-14, modified: 2022-12-14
Published in Torreya, in 1912, in volume 12, issue 7, pages 165-173
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Published in Rhodora, in 1981, in volume 83, issue 835, pages 465-470
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Published in Rhodora, in 1966, in volume 68, issue 774, pages 192-208
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Published in BULL BROOKLYN ENT SOC, in 1938, in volume 33, issue 3, pages 111-120
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Published in Torreya, in 1912, in volume 12, issue 6, pages 124-132
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Published in Biol Bull, in 1948, in volume 94, pages 55-59
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Published in Rhodora, in 2002, in volume 104, issue 917, pages 31-41
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Published in Rhodora, in 1954, in volume 56, issue 667, pages 133-136
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Published in Rhodora, in 1954, in volume 56, issue 672, pages 261-265
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Published in Pacific Science, in 1964, in volume 18, issue 1, pages 101-103
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Published in Botanical Gazette, in 1908, in volume 45, issue 6, pages 367-408
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Published in Torreya, in 1917, in volume 17, issue 3, pages 49-52
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Published in Torreya, in 1913, in volume 13, issue 2, pages 33-36
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Published in Botanical Gazette, in 1895, in volume 20, issue 1, pages 16-22
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Published in Rhodora, in 2003, in volume 105, issue 923, pages 250-259
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Published in Rhodora, in 1984, in volume 86, issue 847, pages 311-337
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Published in Rhodora, in 1968, in volume 70, issue 782, pages 306-311
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Published in Rhodora, in 1961, in volume 63, issue 746, pages 36-39
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Published in Rhodora, in 1955, in volume 57, issue 673, pages 1-33
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Published in Rhodora, in 1963, in volume 65, issue 762, pages 158-188
Created: 2016-07-19, modified: 2016-07-19
Published in Rhodora, in 1974, in volume 76, issue 807, pages 478-483
Created: 2016-07-19, modified: 2016-07-19