Published in Biol Bull, in 1946, in volume 90, pages 158-176

Created: 2010-01-06, modified: 2011-06-21

Published in American Fern Journal, in 1913, in volume 3, pages 17-18

Created: 2017-04-23, modified: 2017-04-23

Published in The Auk, in 1919, in volume 36, pages 301

Created: 2013-03-07, modified: 2013-03-08

Published in The Auk, in 1895, in volume 12, pages 377-378

Created: 2013-03-07, modified: 2013-03-08

Published in American Fern Journal, in 1913, in volume 3, pages 116-118

Created: 2017-04-23, modified: 2017-04-23

Published in American Fern Journal, in 1919, in volume 9, pages 86-88

Created: 2017-04-23, modified: 2017-04-23

Published in Torreya, in 1919, in volume 19, issue 12, pages 243-244

Created: 2022-12-14, modified: 2022-12-14

Published in Biol Bull, in 1929, in volume 56, pages 68-73

Created: 2010-01-06, modified: 2011-06-21

Published in The Auk, in 1920, in volume 37, pages 145

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Published in Biol Bull, in 1927, in volume 52, pages 411-417

Created: 2010-01-06, modified: 2011-06-21

Published in Adansonia, in 1999, in volume 21, issue 1, pages 153-158

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Published in Rhodora, in 1935, in volume 37, issue 439, pages 264-266

Created: 2014-06-16, modified: 2016-07-26

Published in The Auk, in 1898, in volume 15, pages 213-214

Created: 2013-03-08, modified: 2013-03-08

Published in Bulletin of the Brooklyn Entomological Society (NS), in 1960, in volume 55, pages 4-15

Created: 2016-05-18, modified: 2016-05-18

Published in Rhodora, in 1942, in volume 44, pages 193-211

Created: 2014-06-16, modified: 2016-07-26

Published in Rhodora, in 1937, in volume 39, issue 458, pages 52

Created: 2016-07-19, modified: 2016-07-19

Published in Rhodora, in 1943, in volume 45, issue 540, pages 515-517

Created: 2016-07-19, modified: 2016-07-19

Published in Rhodora, in 1956, in volume 58, issue 691, pages 187-191

Created: 2016-07-19, modified: 2016-07-19

Published in The Auk, in 1904, in volume 21, pages 64-66

Created: 2013-03-07, modified: 2013-03-08

Published in The Auk, in 1919, in volume 36, pages 116-118

Created: 2013-03-08, modified: 2013-03-08

Published in The Auk, in 1918, in volume 35, pages 486-489

Created: 2013-03-08, modified: 2013-03-08

Published in The Auk, in 1889, in volume 6, pages 196-204

Created: 2013-03-08, modified: 2013-03-08

Published in American Fern Journal, in 1913, in volume 3, pages 38-48

Created: 2017-04-23, modified: 2017-04-23

Published in The Auk, in 1893, in volume 10, pages 1-15

Created: 2013-03-08, modified: 2013-03-08

Published in The Auk, in 1890, in volume 7, pages 138-158

Created: 2013-03-08, modified: 2013-03-08

Published in The Auk, in 1903, in volume 20, pages 439-440

Created: 2013-03-08, modified: 2013-03-08

Published in Rhodora, in 1943, in volume 45, pages 113-7

Created: 2014-06-16, modified: 2016-07-26

Published in The Auk, in 1891, in volume 8, pages 290-292

Created: 2013-03-07, modified: 2013-03-08

Published in The Auk, in 1888, in volume 5, pages 324

Created: 2013-03-07, modified: 2013-03-08

Published in The Auk, in 1903, in volume 20, pages 440

Created: 2013-03-08, modified: 2013-03-08

Published in The Auk, in 1917, in volume 34, pages 413-414

Created: 2013-03-08, modified: 2013-03-08

Published in The Auk, in 1891, in volume 8, pages 222-224

Created: 2013-03-08, modified: 2013-03-08

Published in Transactions of The American Microscopical Society, in 1912, in volume 31, pages 126

Created: 2013-03-11, modified: 2013-03-11

Published in Veliger, in 1966, in volume 9, issue 2, pages 152-228

Created: 2013-12-03, modified: 2013-12-03

Published in Phytologia, in 1987, in volume 64, issue 1, pages 62-76

Created: 2017-03-08, modified: 2017-03-08

Published in Rhodora, in 1937, in volume 39, issue 460, pages 106-148

Created: 2016-07-19, modified: 2016-07-19

Published in Rhodora, in 1937, in volume 39, issue 461, pages 155-186

Created: 2016-07-19, modified: 2016-07-19

Published in The Auk, in 1897, in volume 14, pages 259-272

Created: 2013-03-08, modified: 2013-03-08

Published in The Auk, in 1904, in volume 21, pages 286

Created: 2013-03-08, modified: 2013-03-08

Published in Veliger, in 1963, in volume 6, pages 111.

Created: 2013-08-04, modified: 2013-08-04

Published in The Auk, in 1905, in volume 22, pages 34-38

Created: 2013-03-08, modified: 2013-03-08

Published in Botanical Gazette, in 1912, in volume 54, issue 3, pages 250-252

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Published in The Auk, in 1892, in volume 9, pages 129-141

Created: 2013-03-07, modified: 2013-03-08

Published in The Auk, in 1900, in volume 17, pages 368-385

Created: 2013-03-07, modified: 2013-03-08

Published in The Auk, in 1904, in volume 21, pages 406

Created: 2013-03-08, modified: 2013-03-08

Published in The Auk, in 1914, in volume 31, pages 293-308

Created: 2013-03-08, modified: 2013-03-08

Published in The Auk, in 1902, in volume 19, pages 248-255

Created: 2013-03-08, modified: 2013-03-08

Published in Rhodora, in 1939, in volume 41, issue 486, pages 193-197

Created: 2016-07-19, modified: 2016-07-19

Published in The Auk, in 1896, in volume 13, pages 271-278

Created: 2013-03-08, modified: 2013-03-08

Published in The Auk, in 1918, in volume 35, pages 196-199

Created: 2013-03-08, modified: 2013-03-08