Published in Rhodora, in 1941, in volume 43, issue 512, pages 344-348
Created: 2014-06-16, modified: 2016-07-26
Published in American Fern Journal, in 1962, in volume 52, pages 132-133
Created: 2017-04-23, modified: 2017-04-23
Published in American Fern Journal, in 1970, in volume 60, pages 119-128
Created: 2017-04-23, modified: 2017-04-23
Published in Rhodora, in 1957, in volume 59, issue 698, pages 43-44
Created: 2016-07-19, modified: 2016-07-19
Published in American Fern Journal, in 1964, in volume 54, pages 71-73
Created: 2017-04-23, modified: 2017-04-23
Published in Phytologia, in 1971, in volume 22, pages 71-82
Created: 2011-01-26, modified: 2023-02-16
Published in Phytologia, in 1935, in volume 1, pages 145-150
Created: 2011-01-26, modified: 2023-02-16
Published in Phytologia, in 1935, in volume 1, pages 151-153
Created: 2011-01-26, modified: 2023-02-16
Published in Rhodora, in 1941, in volume 43, issue 510, pages 216-219
Created: 2014-06-16, modified: 2016-07-26
Published in Rhodora, in 1937, in volume 39, issue 458, pages 49-50
Created: 2016-07-19, modified: 2016-07-19
Published in American Fern Journal, in 1958, in volume 48, issue 4, pages 136
Created: 2017-04-23, modified: 2017-04-23
Published in American Fern Journal, in 1962, in volume 52, pages 148-150
Created: 2017-04-23, modified: 2017-04-23
Published in American Fern Journal, in 1966, in volume 56, pages 120-137
Created: 2017-04-23, modified: 2017-04-23
Published in American Fern Journal, in 1966, in volume 56, pages 177-179
Created: 2017-04-23, modified: 2017-04-23
Published in American Fern Journal, in 1970, in volume 60, pages 65-67
Created: 2017-04-23, modified: 2017-04-23
Published in American Fern Journal, in 1970, in volume 60, pages 103-106
Created: 2017-04-23, modified: 2017-04-23
Published in Phytologia, in 1971, in volume 22, pages 223-224
Created: 2011-01-26, modified: 2023-02-16
Published in Phytologia, in 1971, in volume 21, pages 56-62
Created: 2011-01-26, modified: 2011-06-21
Published in American Fern Journal, in 1964, in volume 54, pages 95-98
Created: 2017-04-23, modified: 2017-04-23
Published in American Fern Journal, in 1970, in volume 60, pages 28-29
Created: 2017-04-23, modified: 2017-04-23
Published in Torreya, in 1933, in volume 33, issue 3, pages 70-71
Created: 2022-12-14, modified: 2022-12-14
Published in Contributions in Science, in 1960, in volume 35, pages 1-7
Created: 2017-07-17, modified: 2023-02-16
Published in Annals of the Missouri Botanical Garden, in 1942, in volume 29, pages 35-58
Created: 2010-01-08, modified: 2015-12-16
Published in Rhodora, in 1966, in volume 68, issue 773, pages 93-94
Created: 2014-06-16, modified: 2016-07-26
Published in Rhodora, in 1969, in volume 71, issue 788, pages 580-581
Created: 2016-07-19, modified: 2016-07-19
Published in American Fern Journal, in 1956, in volume 46, issue 4, pages 152
Created: 2017-04-23, modified: 2017-04-23
Published in American Fern Journal, in 1966, in volume 56, pages 65-68
Created: 2017-04-23, modified: 2017-04-23
Published in American Fern Journal, in 1966, in volume 56, pages 188
Created: 2017-04-23, modified: 2017-04-23
Published in American Fern Journal, in 1968, in volume 58, pages 34-37
Created: 2017-04-23, modified: 2017-04-23
Published in American Fern Journal, in 1970, in volume 60, pages 39
Created: 2017-04-23, modified: 2017-04-23
Published in American Fern Journal, in 1970, in volume 60, pages 118-119
Created: 2017-04-23, modified: 2017-04-23
Published in Journal of the Arnold Arboretum, in 1936, in volume 17, pages 341-349
Created: 2011-01-26, modified: 2023-02-16
Published in American Fern Journal, in 1970, in volume 60, pages 167-169
Created: 2017-04-23, modified: 2017-04-23
Published in Madroño, in 1973, in volume 22, issue 1, pages 31
Created: 2016-02-15, modified: 2016-07-07
Published in PHYTOLOGIA, in 1933, in volume 1, pages 19
Created: 2016-05-06, modified: 2016-05-06
Published in American Fern Journal, in 1946, in volume 36, issue 3, pages 91
Created: 2017-04-23, modified: 2017-04-23
Published in American Fern Journal, in 1956, in volume 46, pages 157-158
Created: 2017-04-23, modified: 2017-04-23
Published in American Fern Journal, in 1966, in volume 56, pages 79-81
Created: 2017-04-23, modified: 2017-04-23
Published in American Fern Journal, in 1970, in volume 60, pages 49-61
Created: 2017-04-23, modified: 2017-04-23
Published in American Fern Journal, in 1972, in volume 62, pages 57-64
Created: 2017-04-23, modified: 2017-04-23
Published in Proceedings of The Biological Society of Washington, in 1935, in volume 48, pages 73-76
Created: 2011-07-31, modified: 2011-07-31
Published in Proceedings of The Biological Society of Washington, in 1936, in volume 49, pages 153-154
Created: 2011-07-31, modified: 2011-07-31
Published in Proceedings of The Biological Society of Washington, in 1938, in volume 51, pages 75-77
Created: 2011-07-31, modified: 2011-07-31
Published in Proceedings of The Biological Society of Washington, in 1938, in volume 51, pages 215-216
Created: 2011-07-31, modified: 2011-07-31
Published in Proceedings of The Biological Society of Washington, in 1958, in volume 71, pages 153-154
Created: 2011-07-31, modified: 2011-07-31
Published in American Fern Journal, in 1950, in volume 40, pages 213-225
Created: 2017-04-23, modified: 2017-04-23
Published in American Fern Journal, in 1966, in volume 56, pages 184-185
Created: 2017-04-23, modified: 2017-04-23
Published in American Fern Journal, in 1968, in volume 58, pages 105-107
Created: 2017-04-23, modified: 2017-04-23
Published in American Fern Journal, in 1970, in volume 60, pages 7-12
Created: 2017-04-23, modified: 2017-04-23
Published in American Fern Journal, in 1970, in volume 60, pages 32-34
Created: 2017-04-23, modified: 2017-04-23