Published in Palaeontology, in 1982, in volume 25, issue 4, pages 681-708
Created: 2016-04-23, modified: 2016-04-23
Published in Palaeontology, in 1987, in volume 30, issue 2, pages 233-249
Created: 2016-04-23, modified: 2016-04-23
Published in The Auk, in 1917, in volume 34, pages 209-210
Created: 2013-03-08, modified: 2013-03-08
Published in The Auk, in 1915, in volume 32, pages 240-241
Created: 2013-03-08, modified: 2013-03-08
Published in Journal of The Washington Academy of Sciences, in 1943, in volume 33, pages 193-203
Created: 2014-01-30, modified: 2014-01-30
Published in Asa Gray correspondence. Senders Co-Cu, 1826-1891 (inclusive), in 1879, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in American Fern Journal, in 2007, in volume 97, pages 113-123
Created: 2017-04-23, modified: 2017-04-23
Published in American Fern Journal, in 2001, in volume 91, pages 229
Created: 2017-04-23, modified: 2017-04-23
Published in American Fern Journal, in 2009, in volume 99, pages 1-44
Created: 2017-04-23, modified: 2017-04-23
Published in Biol Bull, in 1956, in volume 111, pages 235-239
Created: 2010-01-06, modified: 2011-06-21
Published in Biol Bull, in 1955, in volume 108, pages 264-276
Created: 2010-01-06, modified: 2011-06-21
Published in Banisteria, in 2013, in volume 41, pages 5-16
Created: 2020-06-14, modified: 2020-06-14
Published in American Fern Journal, in 1993, in volume 83, pages 129-130
Created: 2017-04-23, modified: 2017-04-23
Published in American Fern Journal, in 2004, in volume 94, pages 112
Created: 2017-04-23, modified: 2017-04-23
Published in Botanical Gazette, in 1910, in volume 50, issue 5, pages 392-393
Created: 2017-03-14, modified: 2017-03-14
Published in Asa Gray correspondence. Senders A, in 1889, pages 1-2
Created: 2017-06-18, modified: 2017-06-18
Published in Asa Gray correspondence. Senders A, in 1880, pages 1-2
Created: 2017-06-18, modified: 2017-06-18
Published in Asa Gray correspondence. Senders A, in 1881, pages 1
Created: 2017-06-18, modified: 2017-06-18
Published in Asa Gray correspondence. Senders A, in 1882, pages 1
Created: 2017-06-18, modified: 2017-06-18
Published in American Fern Journal, in 2003, in volume 93, pages 76-80
Created: 2017-04-23, modified: 2017-04-23
Published in Biol Bull, in 1975, in volume 149, pages 178-185
Created: 2010-01-06, modified: 2011-06-21
Published in Forktail, in 2015, in volume 31, pages 24-36
Created: 2019-05-12, modified: 2019-05-12
Published in Veliger, in 1965, in volume 7, pages 228-232
Created: 2013-08-11, modified: 2013-08-11
Published in Forktail, in 2009, in volume 25, pages 159-160
Created: 2019-05-12, modified: 2019-05-12
Published in The Auk, in 1905, in volume 22, pages 140-145
Created: 2013-03-08, modified: 2013-03-08
Published in Biol Bull, in 1984, in volume 166, pages 269-276
Created: 2010-01-07, modified: 2011-06-21
Published in Botanical Gazette, in 1880, in volume 5, issue 11, pages 140-141
Created: 2017-03-14, modified: 2017-03-14
Published in Torreya, in 1909, in volume 9, issue 1, pages 3-5
Created: 2022-12-15, modified: 2022-12-15
Published in American Fern Journal, in 2002, in volume 92, pages 105
Created: 2017-04-23, modified: 2017-04-23
Published in The Wilson Bulletin, in 1999, in volume 111, issue 4, pages 499-504
Created: 2017-08-22, modified: 2017-08-22
Published in The Wilson Bulletin, in 1979, in volume 91, issue 1, pages 72-77
Created: 2017-08-22, modified: 2017-08-22
Published in Biol Bull, in 1965, in volume 128, pages 473-487
Created: 2010-01-06, modified: 2011-06-21
Published in Muelleria, in 1998, in volume 11, pages 51-93
Created: 2016-09-04, modified: 2023-02-16
Published in Muelleria, in 2000, in volume 14, issue 3, pages 99-102
Created: 2016-07-31, modified: 2023-02-16
Published in Memoirs Museum of Comparative Zoology Harvard, in 1940, in volume 54, issue 6, pages 417-531
Created: 2011-11-09, modified: 2011-11-09
Published in Journal of The Washington Academy of Sciences, in 1931, in volume 21, pages 80-86
Created: 2014-01-30, modified: 2014-01-30
Published in Phytologia, in 2010, in volume 92, issue 2, pages 121-150
Created: 2017-03-08, modified: 2017-03-08
Published in American Fern Journal, in 1993, in volume 83, pages 131-134
Created: 2017-04-23, modified: 2017-04-23
Published in American Fern Journal, in 2005, in volume 95, pages 89-93
Created: 2017-04-23, modified: 2017-04-23
Published in American Fern Journal, in 2012, in volume 102, pages 83-85
Created: 2017-04-23, modified: 2017-04-23
Published in Biol Bull, in 1984, in volume 167, pages 378-389
Created: 2010-01-07, modified: 2011-06-21
Published in Contributions from the University of Michigan Herbarium, in 1995, in volume 20, pages 241-260
Created: 2016-07-11, modified: 2016-07-11
Published in American Fern Journal, in 2007, in volume 97, pages 140-148
Created: 2017-04-23, modified: 2017-04-23
Published in Botanical Museum Leaflets, Harvard University, in 1977, in volume 25, pages 289-320
Created: 2016-02-07, modified: 2016-07-26
Published in The Wilson Bulletin, in 1979, in volume 91, issue 1, pages 50-61
Created: 2017-08-22, modified: 2017-08-22
Published in American Fern Journal, in 2001, in volume 91, pages 1-8
Created: 2017-04-23, modified: 2017-04-23
Published in The Wilson Bulletin, in 1926, in volume 38, issue 4, pages 200-201
Created: 2016-11-27, modified: 2016-11-27
Published in Contributions in Science (Los Angeles), in 1989, in volume 406, pages 1-21
Created: 2017-03-19, modified: 2023-02-16
Published in American Fern Journal, in 2002, in volume 92, pages 23-29
Created: 2017-04-23, modified: 2017-04-23
Published in American Fern Journal, in 2003, in volume 93, pages 153-154
Created: 2017-04-23, modified: 2017-04-23