Published in Biol Bull, in 1988, in volume 175, pages 417-429
Created: 2010-01-07, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/30821903,60,60)
Published in American Fern Journal, in 1915, in volume 5, pages 7-9
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Published in American Fern Journal, in 1919, in volume 9, pages 58-59
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Published in American Fern Journal, in 1919, in volume 9, pages 115-117
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Published in American Fern Journal, in 1925, in volume 15, pages 62-65
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Published in American Fern Journal, in 1925, in volume 15, pages 98-100
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Published in American Fern Journal, in 1925, in volume 15, pages 123-124
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Published in American Fern Journal, in 1928, in volume 18, pages 23-26
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Published in American Fern Journal, in 1928, in volume 18, pages 58-59
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Published in American Fern Journal, in 1931, in volume 21, pages 24-25
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Published in American Fern Journal, in 1931, in volume 21, pages 109-111
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Published in American Fern Journal, in 1931, in volume 21, pages 26-27
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/32224115,60,60)
Published in American Fern Journal, in 1931, in volume 21, pages 111
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Published in American Fern Journal, in 1915, in volume 5, pages 9-10
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/31033747,60,60)
Published in American Fern Journal, in 1925, in volume 15, pages 87-90
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/30816976,60,60)
Published in American Fern Journal, in 1919, in volume 9, pages 88-93
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/30823674,60,60)
Published in American Fern Journal, in 1922, in volume 12, pages 58-63
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/31033877,60,60)
Published in American Fern Journal, in 1925, in volume 15, pages 19-21
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Published in American Fern Journal, in 1925, in volume 15, pages 21-22
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/30938450,60,60)
Published in American Fern Journal, in 1928, in volume 18, pages 94-95
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/30938483,60,60)
Published in American Fern Journal, in 1928, in volume 18, pages 124-128
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/32224074,60,60)
Published in American Fern Journal, in 1931, in volume 21, pages 74-75
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Published in American Fern Journal, in 1931, in volume 21, pages 139-140
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Published in American Fern Journal, in 1962, in volume 52, pages 132-133
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Published in American Fern Journal, in 1970, in volume 60, pages 119-128
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Published in American Fern Journal, in 1910, in volume 1, pages 22-23
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Published in American Fern Journal, in 1911, in volume 1, pages 40-43
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Published in American Fern Journal, in 1911, in volume 1, pages 75-77
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Published in American Fern Journal, in 1911, in volume 1, pages 104
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Published in American Fern Journal, in 1913, in volume 3, pages 83-85
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Published in American Fern Journal, in 1915, in volume 5, pages 108-113
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Published in American Fern Journal, in 1919, in volume 9, pages 5-17
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Published in American Fern Journal, in 1931, in volume 21, pages 117-124
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Published in American Fern Journal, in 1910, in volume 1, pages 17-19
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Published in American Fern Journal, in 1911, in volume 1, pages 45-48
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Published in American Fern Journal, in 1911, in volume 1, pages 49-51
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Published in American Fern Journal, in 1917, in volume 7, pages 87-90
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Published in American Fern Journal, in 1919, in volume 9, pages 48-50
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Published in American Fern Journal, in 1922, in volume 12, pages 16-19
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Published in American Fern Journal, in 1922, in volume 12, pages 122-125
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Published in American Fern Journal, in 1925, in volume 15, pages 1-7
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Published in American Fern Journal, in 1925, in volume 15, pages 69-80
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/31034006,60,60)
Published in American Fern Journal, in 1925, in volume 15, pages 107-117
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/32224110,60,60)
Published in American Fern Journal, in 1931, in volume 21, pages 106-109
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Published in American Fern Journal, in 1942, in volume 32, pages 127-138
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/32261273,60,60)
Published in American Fern Journal, in 1966, in volume 56, pages 101-107
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/32149391,60,60)
Published in American Fern Journal, in 2003, in volume 93, pages 95-96
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/30821950,60,60)
Published in American Fern Journal, in 1915, in volume 5, pages 52-54
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/30817133,60,60)
Published in American Fern Journal, in 1917, in volume 7, pages 67-73
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/30817447,60,60)
Published in American Fern Journal, in 1917, in volume 7, pages 114-121
Created: 2017-04-23, modified: 2017-04-23