Published in Annals of the Missouri Botanical Garden, in 1974, in volume 61, pages 675-691
Created: 2010-01-08, modified: 2015-12-16
Published in Nautilis, in 1906, in volume 19, pages 101-102
Created: 2013-09-28, modified: 2013-09-28
Published in Rhodora, in 1980, in volume 82, issue 829, pages 131-140
Created: 2016-07-19, modified: 2016-07-19
Published in Proceedings of the Biological Society of Washington, in 1935, in volume 48, pages 143-146
Created: 2013-11-09, modified: 2013-11-09
Published in Torreya, in 1937, in volume 37, issue 3, pages 63-65
Created: 2022-12-14, modified: 2022-12-14
Published in Journal of The Washington Academy of Sciences, in 1936, in volume 26, pages 296-298
Created: 2012-08-30, modified: 2013-03-14
Published in The Wilson Bulletin, in 1927, in volume 39, issue 2, pages 91-105
Created: 2016-11-27, modified: 2016-11-27
Published in Madroño, in 1985, in volume 32, issue 4, pages 225-252
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Published in Proceedings of the California Academy of Sciences, in 1944, in volume 23, pages 555-560
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Published in BULL BROOKLYN ENT SOC, in 1954, in volume 49, issue 1, pages 23-24
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Published in American Fern Journal, in 1980, in volume 70, pages 93-95
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Published in Biol Bull, in 1969, in volume 137, pages 250-255
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Published in University of Kansas publications, Museum of Natural History, in 1960, in volume 14, issue 14, pages 165-362
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Published in The Great Basin Naturalist, in 1941, in volume 2, pages 105-108
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Published in Madroño, in 1991, in volume 38, issue 2, pages 96-114
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Published in Botanical Gazette, in 1907, in volume 43, issue 1, pages 74
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Published in Torreya, in 1939, in volume 39, issue 1, pages 27-28
Created: 2022-12-14, modified: 2022-12-14
Published in Torreya, in 1937, in volume 37, issue 2, pages 43-44
Created: 2022-12-14, modified: 2022-12-14
Published in Torreya, in 1930, in volume 30, issue 1, pages 33-34
Created: 2022-12-14, modified: 2022-12-14
Published in Torreya, in 1932, in volume 32, issue 1, pages 9-11
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Published in Torreya, in 1933, in volume 33, issue 1, pages 27-28
Created: 2022-12-14, modified: 2022-12-14
Published in Bulletin of The Museum of Comparative Zoology, in 1946, in volume 96, pages 217-307
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Published in Phytologia, in 2010, in volume 92, issue 2, pages 230-232
Created: 2017-03-08, modified: 2017-03-08
Published in American Fern Journal, in 1980, in volume 70, pages 73-78
Created: 2017-04-23, modified: 2017-04-23
Published in Rhodora, in 1935, in volume 37, issue 433, pages 31
Created: 2016-07-19, modified: 2016-07-26
Published in Notulae Systematicae, in 1936, in volume 5, issue 2, pages 106-131
Created: 2021-09-29, modified: 2021-09-29
Published in Notulae Systematicae, in 1942, in volume 10, issue 4, pages 241-248
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Published in Botanical Gazette, in 1909, in volume 47, issue 6, pages 483-484
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Published in Bulletin of The Museum of Comparative Zoology, in 1913, in volume 54, pages 525-543
Created: 2009-12-23, modified: 2021-04-05
Published in Bulletin of the Museum of Comparative Zoology (Harvard University), in 1931, in volume 55, pages 165-213
Created: 2010-11-21, modified: 2021-04-05
Published in University of Kansas Publications of the Museum of Natural History, in 1952, in volume 5, issue 23, pages 293-312
Created: 2017-01-27, modified: 2017-01-27
Published in Nautilus Boston Mass, in 1913, in volume 26, pages 97-99
Created: 2013-06-18, modified: 2013-06-18
Published in Nautilis, in 1902, in volume 16, pages 73-75
Created: 2013-09-28, modified: 2013-09-28
Published in Notulae Systematicae, in 1913, in volume 2, issue 11, pages 337
Created: 2021-09-29, modified: 2021-09-29
Published in Torreya, in 1929, in volume 29, issue 5, pages 142-144
Created: 2022-12-14, modified: 2022-12-14
Published in Torreya, in 1920, in volume 20, issue 3, pages 50-52
Created: 2022-12-14, modified: 2022-12-14
Published in Biol Bull, in 1963, in volume 125, pages 197-205
Created: 2010-01-06, modified: 2011-06-21
Published in Bulletin of The Museum of Comparative Zoology, in 1916, in volume 56, pages 179-286
Created: 2009-12-23, modified: 2021-04-05
Published in Annals of the Carnegie Museum, in 1905, in volume 3, pages 79-177
Created: 2017-10-22, modified: 2017-10-22
Published in Rhodora, in 1962, in volume 64, issue 760, pages 349-350
Created: 2014-06-16, modified: 2016-07-26
Published in Rhodora, in 1952, in volume 54, issue 648, pages 307
Created: 2014-06-16, modified: 2016-07-26
Published in Nautilis, in 1904, in volume 17, pages 123-124
Created: 2013-09-28, modified: 2013-09-28
Published in Notulae Systematicae, in 1911, in volume 2, issue 1, pages 17-18
Created: 2021-09-29, modified: 2021-09-29
Published in Notulae Systematicae, in 1911, in volume 2, issue 5, pages 155-157
Created: 2021-09-29, modified: 2021-09-29
Published in Notulae Systematicae, in 1942, in volume 10, issue 4, pages 248-252
Created: 2021-09-29, modified: 2021-09-29
Published in Zoologica, in 1912, in volume 1, issue 11, pages 194-238
Created: 2016-11-23, modified: 2016-11-23
Published in Botanical Gazette, in 1906, in volume 41, issue 3, pages 217-218
Created: 2017-03-14, modified: 2017-03-14
Published in Botanical Gazette, in 1906, in volume 41, issue 5, pages 355
Created: 2017-03-14, modified: 2017-03-14
Published in Madroño, in 1938, in volume 4, issue 6, pages 189-194
Created: 2016-02-15, modified: 2016-07-07
Published in Torreya, in 1928, in volume 28, issue 3, pages 58-60
Created: 2022-12-14, modified: 2022-12-14