Published in American Fern Journal, in 1983, in volume 73, pages 94-95
Created: 2017-04-23, modified: 2017-04-23
Published in Annals of the Missouri Botanical Garden, in 1955, in volume 42, pages 101-102
Created: 2010-01-08, modified: 2016-12-29
Published in American Fern Journal, in 1991, in volume 81, pages 108
Created: 2017-04-23, modified: 2017-04-23
Published in Rhodora, in 1980, in volume 82, issue 829, pages 1-2
Created: 2016-07-19, modified: 2016-07-19
Published in American Fern Journal, in 1974, in volume 64, pages 99-104
Created: 2017-04-23, modified: 2017-04-23
Published in American Fern Journal, in 1999, in volume 89, pages 178
Created: 2017-04-23, modified: 2017-04-23
Published in American Fern Journal, in 1987, in volume 77, pages 28-32
Created: 2017-04-23, modified: 2017-04-23
Published in Rhodora, in 1992, in volume 94, issue 877, pages 100-101
Created: 2016-07-19, modified: 2016-07-19
Published in Rhodora, in 1980, in volume 82, issue 831, pages 461-474
Created: 2014-06-16, modified: 2016-07-26
Published in American Fern Journal, in 2009, in volume 99, pages 231-235
Created: 2017-04-23, modified: 2017-04-23
Published in Rhodora, in 1981, in volume 83, issue 833, pages 133-137
Created: 2014-06-16, modified: 2016-07-26
Published in Rhodora, in 1978, in volume 80, issue 824, pages 558-569
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Published in Rhodora, in 1963, in volume 65, pages 56-67
Created: 2014-06-16, modified: 2016-07-26
Published in Rhodora, in 1961, in volume 63, pages 91-102
Created: 2014-06-16, modified: 2016-07-26
Published in Rhodora, in 1971, in volume 73, pages 444-460
Created: 2014-06-16, modified: 2016-07-26
Published in Rhodora, in 1972, in volume 74, pages 220-241
Created: 2014-06-16, modified: 2016-07-26
Published in Rhodora, in 1961, in volume 63, pages 70-88
Created: 2014-06-16, modified: 2016-07-26
Published in Rhodora, in 1997, in volume 99, issue 900, pages 335-343
Created: 2014-06-16, modified: 2016-07-26
Published in Rhodora, in 1997, in volume 99, issue 900, pages 382-384
Created: 2016-07-19, modified: 2016-07-19
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1890, pages 1
Created: 2017-06-24, modified: 2017-06-24
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1891, pages 1
Created: 2017-06-24, modified: 2017-06-24
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1891, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1891, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1891, pages 1
Created: 2017-06-24, modified: 2017-06-24
Published in Biol Bull, in 1961, in volume 121, pages 497-506
Created: 2010-01-06, modified: 2011-06-21
Published in American Fern Journal, in 2008, in volume 98, pages 113-115
Created: 2017-04-23, modified: 2017-04-23
Published in Rhodora, in 1967, in volume 69, issue 780, pages 456-457
Created: 2016-07-19, modified: 2016-07-19
Published in Rhodora, in 1978, in volume 80, issue 821, pages 156-157
Created: 2016-07-19, modified: 2016-07-19
Published in American Fern Journal, in 1946, in volume 36, issue 2, pages 48
Created: 2017-04-23, modified: 2017-04-23
Published in Biol Bull, in 1962, in volume 122, pages 228-231
Created: 2010-01-06, modified: 2011-06-21
Published in Annals of the Missouri Botanical Garden, in 1949, in volume 36, pages 413-431
Created: 2010-01-08, modified: 2015-12-16
Published in Botanical Gazette, in 1904, in volume 38, issue 1, pages 71-72
Created: 2017-03-14, modified: 2017-03-14
Published in Botanical Gazette, in 1895, in volume 20, issue 5, pages 232
Created: 2017-03-14, modified: 2017-03-14
Published in Botanical Gazette, in 1902, in volume 33, issue 4, pages 284-299
Created: 2017-03-14, modified: 2017-03-14
Published in Rhodora, in 1971, in volume 73, issue 793, pages 1-19
Created: 2014-06-16, modified: 2016-07-26
Published in Rhodora, in 1941, in volume 43, issue 506, pages 37-67
Created: 2016-07-19, modified: 2016-07-19
Published in Madroño, in 1939, in volume 5, issue 1, pages 16-27
Created: 2016-02-15, modified: 2016-07-07
Published in Rhodora, in 1904, in volume 6, issue 68, pages 179-180
Created: 2016-07-19, modified: 2016-07-19
Published in Rhodora, in 1904, in volume 6, issue 71, pages 227
Created: 2016-07-19, modified: 2016-07-26
Published in Madroño, in 1939, in volume 5, issue 2, pages 74
Created: 2016-02-15, modified: 2016-07-07
Published in Rhodora, in 1972, in volume 74, pages 441-450
Created: 2014-06-16, modified: 2016-07-26
Published in Rhodora, in 1964, in volume 66, issue 765, pages 110-117
Created: 2014-06-16, modified: 2016-07-26
Published in Rhodora, in 2000, in volume 102, issue 912, pages 428-438
Created: 2014-06-16, modified: 2016-07-26
Published in Rhodora, in 1960, in volume 62, issue 733, pages 1-10
Created: 2016-07-19, modified: 2016-07-19
Published in Rhodora, in 1961, in volume 63, issue 756, pages 349
Created: 2016-07-19, modified: 2016-07-19
Published in Rhodora, in 1970, in volume 72, issue 792, pages 533-535
Created: 2016-07-19, modified: 2016-07-19
Published in American Fern Journal, in 1962, in volume 52, pages 153-155
Created: 2017-04-23, modified: 2017-04-23
Published in University of Kansas Science Bulletin, in 1976, in volume 51, issue 3, pages 91-128
Created: 2010-05-07, modified: 2012-04-03
Published in Rhodora, in 1902, in volume 4, issue 38, pages 42
Created: 2016-07-19, modified: 2016-07-19
Published in Rhodora, in 1905, in volume 7, issue 74, pages 38-39
Created: 2016-07-19, modified: 2016-07-19