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Published in Madroño, in 1929, in volume 1, issue 16, pages 241-242
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Published in Rhodora, in 1933, in volume 35, issue 414, pages 225-226
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Published in Rhodora, in 1960, in volume 62, issue 741, pages 258-262
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Published in Rhodora, in 1935, in volume 37, issue 439, pages 262-263
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Published in The Wilson Bulletin, in 1940, in volume 52, issue 1, pages 24-29
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Published in Rhodora, in 1934, in volume 36, issue 427, pages 264-266
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Published in The Wilson Bulletin, in 1963, in volume 75, issue 1, pages 23-26
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Published in Rhodora, in 1983, in volume 85, issue 843, pages 371-379
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Published in Madroño, in 1944, in volume 7, issue 5, pages 159-160
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Published in Torreya, in 1934, in volume 34, issue 1, pages 15-16
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Published in The Auk, in 1897, in volume 14, pages 101-102
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Published in The Wilson Bulletin, in 1903, in volume 15, issue 1, pages 32
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Published in Phytologia, in 1976, in volume 33, issue 7, pages 455-466
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Published in American Fern Journal, in 1999, in volume 89, pages 267-268
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Published in Madroño, in 1943, in volume 7, issue 1, pages 1-4
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Published in Madroño, in 1957, in volume 14, issue 4, pages 133-144
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Published in Torreya, in 1942, in volume 42, issue 1, pages 14-17
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Published in Madroño, in 1993, in volume 40, issue 4, pages 236-245
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Published in Proceedings of The Biological Society of Washington, in 1932, in volume 45, pages 207
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Published in Biol Bull, in 1901, in volume 2, pages 195-207
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Published in Adansonia, in 1964, in volume 4, issue 3, pages 427-455
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Published in The Auk, in 1908, in volume 25, pages 153-166
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Published in The Auk, in 1907, in volume 24, pages 158-159
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Published in Transactions of The American Microscopical Society, in 1911, in volume 30, pages 191-193
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Published in The Auk, in 1906, in volume 23, pages 153-161
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Published in The Wilson Bulletin, in 1902, in volume 14, issue 1, pages 16-20
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Published in Journal of The Arnold Arboretum, in 1943, in volume 24, issue 2, pages 165-189
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Published in Journal of The Arnold Arboretum, in 1946, in volume 27, issue 3, pages 289-291
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Published in Journal of The Arnold Arboretum, in 1938, in volume 19, issue 2, pages 134-148
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Published in American Fern Journal, in 2014, in volume 104, pages 238
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Published in Biol Bull, in 1966, in volume 130, pages 28-42
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