Published in Rhodora, in 1960, in volume 62, pages 223-232
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Published in Rhodora, in 1949, in volume 51, pages 153-162
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Published in Rhodora, in 1938, in volume 40, pages 249-55
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Published in Rhodora, in 1933, in volume 35, pages 283-91
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Published in Rhodora, in 1955, in volume 57, issue 683, pages 310-319
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Published in Rhodora, in 1934, in volume 36, pages 313
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Published in Phytologia, in 1978, in volume 38, issue 3, pages 217-218
Created: 2016-05-06, modified: 2016-05-06![](https://www.biodiversitylibrary.org/pagethumb/13038702,60,60)
Published in Phytologia, in 1975, in volume 31, pages 226-228
Created: 2011-01-26, modified: 2023-02-16![](https://www.biodiversitylibrary.org/pagethumb/13038969,60,60)
Published in Phytologia, in 1975, in volume 31, issue 6, pages 483-485
Created: 2016-05-06, modified: 2016-05-06![](https://www.biodiversitylibrary.org/pagethumb/608711,60,60)
Published in Rhodora, in 1942, in volume 44, issue 520, pages 150-151
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/13784851,60,60)
Published in Phytologia, in 1975, in volume 30, issue 3, pages 209
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Published in Rhodora, in 1974, in volume 76, issue 807, pages 491-493
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/31877106,60,60)
Published in American Fern Journal, in 1964, in volume 54, pages 95-98
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/5873485,60,60)
Published in Rhodora, in 1981, in volume 83, pages 141-144
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/620036,60,60)
Published in Rhodora, in 1954, in volume 56, issue 664, pages 70-79
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/606556,60,60)
Published in Rhodora, in 1939, in volume 41, pages 86-90
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/27278936,60,60)
Published in Annals of the Missouri Botanical Garden, in 1987, in volume 74, pages 533-538
Created: 2010-01-08, modified: 2015-12-16![](https://www.biodiversitylibrary.org/pagethumb/603589,60,60)
Published in Rhodora, in 1934, in volume 36, pages 97-100
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Published in Rhodora, in 1947, in volume 49, issue 581, pages 142-143
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Published in Rhodora, in 1960, in volume 62, issue 744, pages 343-346
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Published in Rhodora, in 1953, in volume 55, issue 652, pages 156
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Published in Rhodora, in 1941, in volume 43, issue 516, pages 658-663
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/607364,60,60)
Published in Rhodora, in 1940, in volume 42, issue 497, pages 199-200
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/16437066,60,60)
Published in Phytologia, in 1963, in volume 9, issue 6, pages 337-350
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Published in Rhodora, in 1934, in volume 36, issue 430, pages 352-353
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/16047277,60,60)
Published in Annals of the Missouri Botanical Garden, in 1938, in volume 25, pages 769-773
Created: 2010-01-08, modified: 2015-12-16![](https://www.biodiversitylibrary.org/pagethumb/619660,60,60)
Published in Rhodora, in 1953, in volume 55, issue 651, pages 108
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Published in Rhodora, in 1947, in volume 49, issue 585, pages 220-227
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Published in Rhodora, in 1941, in volume 43, issue 511, pages 325-333
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Published in Rhodora, in 1941, in volume 43, issue 515, pages 630-632
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Published in Rhodora, in 1938, in volume 40, issue 470, pages 71-72
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Published in Rhodora, in 1959, in volume 61, issue 724, pages 124
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Published in Rhodora, in 1958, in volume 60, issue 715, pages 205-208
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Published in Rhodora, in 1952, in volume 54, issue 646, pages 250-260
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Published in Rhodora, in 1951, in volume 53, issue 629, pages 133-135
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Published in Rhodora, in 1938, in volume 40, issue 480, pages 487
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Published in Rhodora, in 1939, in volume 41, issue 492, pages 585
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Published in Rhodora, in 1949, in volume 51, issue 606, pages 115-119
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Published in Rhodora, in 1952, in volume 54, issue 641, pages 131-134
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Published in Rhodora, in 1958, in volume 60, issue 714, pages 174-175
Created: 2016-07-19, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/15994045,60,60)
Published in Annals of the Missouri Botanical Garden, in 1935, in volume 22, pages 375-758
Created: 2010-01-08, modified: 2015-12-16![](https://www.biodiversitylibrary.org/pagethumb/627293,60,60)
Published in Rhodora, in 1961, in volume 63, issue 745, pages 24-26
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/13038972,60,60)
Published in Phytologia, in 1975, in volume 31, issue 6, pages 486-487
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Published in Rhodora, in 1934, in volume 36, issue 421, pages 22-23
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Published in Rhodora, in 1938, in volume 40, issue 472, pages 177-179
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Published in Rhodora, in 1942, in volume 44, issue 519, pages 73-76
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/607183,60,60)
Published in Rhodora, in 1940, in volume 42, issue 494, pages 32-33
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Published in Rhodora, in 1940, in volume 42, issue 496, pages 97-105
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Published in Rhodora, in 1960, in volume 62, issue 737, pages 130-132
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/32261673,60,60)
Published in American Fern Journal, in 1980, in volume 70, pages 80
Created: 2017-04-23, modified: 2017-04-23