Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 220, pages 371-456
Created: 2017-01-01, modified: 2017-01-01
Published in Magazine Natural History and Journal Zoology, Botany [...], in 1834, in volume 7, pages 60-61
Created: 2011-06-03, modified: 2011-06-21
Published in Torreya, in 1920, in volume 20, issue 2, pages 31-32
Created: 2022-12-14, modified: 2022-12-14
Published in Biol Bull, in 1948, in volume 94, pages 86-98
Created: 2010-01-06, modified: 2011-06-21
Published in Journal of Raptor Research, in 1996, in volume 30, issue 1, pages 15-20
Created: 2017-04-07, modified: 2017-04-07
Published in Annals and Magazine of Natural History, in 1842, in volume 8, pages 430-433
Created: 2010-10-26, modified: 2011-09-21
Published in Rhodora, in 1927, in volume 29, issue 339, pages 33-36
Created: 2016-07-19, modified: 2016-07-19
Published in Rhodora, in 1945, in volume 47, issue 555, pages 65-68
Created: 2016-07-19, modified: 2016-07-19
Published in Madroño, in 1933, in volume 2, issue 10, pages 81-83
Created: 2016-02-15, modified: 2016-07-07
Published in Torreya, in 1920, in volume 20, issue 6, pages 119-122
Created: 2022-12-14, modified: 2022-12-14
Published in Rhodora, in 1920, in volume 22, issue 264, pages 191-192
Created: 2016-07-19, modified: 2016-07-26
Published in Rhodora, in 1922, in volume 24, issue 286, pages 208-210
Created: 2016-07-19, modified: 2016-07-19
Published in Torreya, in 1918, in volume 18, issue 8, pages 172-173
Created: 2022-12-14, modified: 2022-12-14
Published in Phytologia, in 1992, in volume 72, issue 6, pages 401
Created: 2016-05-05, modified: 2016-05-06
Published in Rhodora, in 1920, in volume 22, issue 264, pages 194-195
Created: 2016-07-19, modified: 2016-07-19
Published in American Fern Journal, in 1919, in volume 9, pages 103-106
Created: 2017-04-23, modified: 2017-04-23
Published in Torreya, in 1922, in volume 22, issue 5, pages 86-88
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Published in American Fern Journal, in 1956, in volume 46, pages 157-158
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Published in Biol Bull, in 1924, in volume 46, pages 143-151
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Published in Rhodora, in 1919, in volume 21, issue 252, pages 215-216
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Published in Rhodora, in 1919, in volume 21, issue 250, pages 188-191
Created: 2016-07-19, modified: 2016-07-19
Published in Phytologia, in 1993, in volume 75, pages 190-191
Created: 2013-10-12, modified: 2013-10-12
Published in Rhodora, in 1922, in volume 24, issue 280, pages 75-76
Created: 2016-07-19, modified: 2016-07-19
Published in The Australian Zoologist, in 1969, in volume 15, issue 2, pages 199-200
Created: 2018-08-03, modified: 2018-08-03
Published in American Fern Journal, in 1919, in volume 9, pages 93-95
Created: 2017-04-23, modified: 2017-04-23
Published in Torreya, in 1919, in volume 19, issue 11, pages 216-227
Created: 2022-12-14, modified: 2022-12-14
Published in Torreya, in 1923, in volume 23, issue 2, pages 33-34
Created: 2022-12-14, modified: 2022-12-14
Published in Torreya, in 1918, in volume 18, issue 2, pages 21-35
Created: 2022-12-14, modified: 2022-12-14
Published in Phytologia, in 1993, in volume 74, pages 438-439
Created: 2011-01-26, modified: 2023-02-16
Published in Biol Bull, in 1948, in volume 94, pages 99-112
Created: 2010-01-06, modified: 2011-06-21
Published in Rhodora, in 1921, in volume 23, issue 271, pages 179-180
Created: 2016-07-19, modified: 2016-07-19
Published in American Fern Journal, in 1922, in volume 12, pages 125-127
Created: 2017-04-23, modified: 2017-04-23
Published in Torreya, in 1923, in volume 23, issue 1, pages 1-3
Created: 2022-12-14, modified: 2022-12-14
Published in Torreya, in 1918, in volume 18, issue 11, pages 220-226
Created: 2022-12-14, modified: 2022-12-14
Published in Torreya, in 1918, in volume 18, issue 9, pages 191-195
Created: 2022-12-14, modified: 2022-12-14
Published in Rhodora, in 1959, in volume 61, issue 725, pages 140-147
Created: 2014-06-16, modified: 2016-07-26
Published in American Fern Journal, in 1978, in volume 68, pages 96
Created: 2017-04-23, modified: 2017-04-23
Published in The Great Basin Naturalist, in 1987, in volume 47, issue 1, pages 38-90
Created: 2017-11-16, modified: 2017-11-16
Published in Torreya, in 1922, in volume 22, issue 6, pages 98-102
Created: 2022-12-14, modified: 2022-12-14
Published in Torreya, in 1921, in volume 21, issue 2, pages 24-28
Created: 2022-12-14, modified: 2022-12-14
Published in Torreya, in 1920, in volume 20, issue 4, pages 84-88
Created: 2022-12-14, modified: 2022-12-14
Published in Torreya, in 1920, in volume 20, issue 3, pages 37-45
Created: 2022-12-14, modified: 2022-12-14
Published in Torreya, in 1923, in volume 23, issue 4, pages 63-67
Created: 2022-12-14, modified: 2022-12-14
Published in The Auk, in 1905, in volume 22, pages 330-331
Created: 2013-03-08, modified: 2013-03-08
Published in Annals of the Missouri Botanical Garden, in 1972, in volume 59, pages 465-470
Created: 2010-01-08, modified: 2015-12-16
Published in The Auk, in 1904, in volume 21, pages 403
Created: 2013-03-08, modified: 2013-03-08
Published in The Auk, in 1902, in volume 19, pages 107
Created: 2013-03-08, modified: 2013-03-08
Published in Pan-Pacific Entomologist, in 1969, in volume 45, pages 26-34
Created: 2017-06-29, modified: 2017-06-29
Published in Torreya, in 1919, in volume 19, issue 10, pages 187-193
Created: 2022-12-14, modified: 2022-12-14
Published in Postilla, in 1964, in volume 86, pages 1-19
Created: 2013-03-01, modified: 2013-03-01