Published in Asa Gray correspondence. Senders Co-Cu, 1826-1891 (inclusive), in 1879, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/4373807,60,60)
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![](https://www.biodiversitylibrary.org/pagethumb/53059461,60,60)
Published in Asa Gray correspondence. Senders Co-Cu, 1826-1891 (inclusive), pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/47863831,60,60)
Published in Madroño, in 1970, in volume 20, issue 5, pages 266-269
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/11979623,60,60)
Published in Psyche: A Journal of Entomology, in 1909, in volume 16, issue 2, pages 31
Created: 2016-06-19, modified: 2016-06-19![](https://www.biodiversitylibrary.org/pagethumb/52115405,60,60)
Published in Contributions in Science (Los Angeles), in 1989, in volume 406, pages 1-21
Created: 2017-03-19, modified: 2023-02-16![](https://www.biodiversitylibrary.org/pagethumb/12032963,60,60)
Published in Psyche: A Journal of Entomology, in 1911, in volume 18, issue 1, pages 32-34
Created: 2016-06-19, modified: 2016-06-19![](https://www.biodiversitylibrary.org/pagethumb/50581473,60,60)
Published in Bulletin of the Brooklyn Entomological Society, in 1924, in volume 19, pages 44-47
Created: 2016-05-18, modified: 2016-05-18![](https://www.biodiversitylibrary.org/pagethumb/11979739,60,60)
Published in Psyche: A Journal of Entomology, in 1909, in volume 16, issue 5, pages 112
Created: 2016-06-19, modified: 2016-06-19![](https://www.biodiversitylibrary.org/pagethumb/11809834,60,60)
Published in Psyche: A Journal of Entomology, in 1907, in volume 14, issue 6, pages 118-120
Created: 2016-06-19, modified: 2016-06-19![](https://www.biodiversitylibrary.org/pagethumb/52097907,60,60)
Published in Contributions in Science (Los Angeles), in 1985, in volume 362, pages 1-13
Created: 2017-03-19, modified: 2023-02-16![](https://www.biodiversitylibrary.org/pagethumb/56868193,60,60)
Published in Banisteria, in 2013, in volume 41, pages 5-16
Created: 2020-06-14, modified: 2020-06-14![](https://www.biodiversitylibrary.org/pagethumb/32151926,60,60)
Published in American Fern Journal, in 1993, in volume 83, pages 129-130
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/32085022,60,60)
Published in American Fern Journal, in 2004, in volume 94, pages 112
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/15912780,60,60)
Published in The Auk, in 1917, in volume 34, pages 209-210
Created: 2013-03-08, modified: 2013-03-08![](https://www.biodiversitylibrary.org/pagethumb/32149372,60,60)
Published in American Fern Journal, in 2003, in volume 93, pages 76-80
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/1552968,60,60)
Published in Biol Bull, in 1987, in volume 173, pages 377-386
Created: 2010-01-07, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/42432110,60,60)
Published in Veliger, in 1965, in volume 7, pages 228-232
Created: 2013-08-11, modified: 2013-08-11![](https://www.biodiversitylibrary.org/pagethumb/50790918,60,60)
Published in Journal of The New York Entomological Society, in 1923, in volume 31, issue 4, pages 175-181
Created: 2016-06-13, modified: 2016-06-13![](https://www.biodiversitylibrary.org/pagethumb/15937461,60,60)
Published in The Auk, in 1915, in volume 32, pages 240-241
Created: 2013-03-08, modified: 2013-03-08![](https://www.biodiversitylibrary.org/pagethumb/15936483,60,60)
Published in The Auk, in 1905, in volume 22, pages 140-145
Created: 2013-03-08, modified: 2013-03-08![](https://www.biodiversitylibrary.org/pagethumb/39690446,60,60)
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![](https://www.biodiversitylibrary.org/pagethumb/32034442,60,60)
Published in American Fern Journal, in 2002, in volume 92, pages 105
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/49681833,60,60)
Published in Palaeontology, in 1982, in volume 25, issue 4, pages 681-708
Created: 2016-04-23, modified: 2016-04-23![](https://www.biodiversitylibrary.org/pagethumb/39914418,60,60)
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![](https://www.biodiversitylibrary.org/pagethumb/47218006,60,60)
Published in Phytologia, in 2010, in volume 92, issue 2, pages 121-150
Created: 2017-03-08, modified: 2017-03-08![](https://www.biodiversitylibrary.org/pagethumb/32151928,60,60)
Published in American Fern Journal, in 1993, in volume 83, pages 131-134
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/32083597,60,60)
Published in American Fern Journal, in 2005, in volume 95, pages 89-93
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/47399146,60,60)
Published in American Fern Journal, in 2012, in volume 102, pages 83-85
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/32224779,60,60)
Published in American Fern Journal, in 2007, in volume 97, pages 113-123
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/32224810,60,60)
Published in American Fern Journal, in 2007, in volume 97, pages 140-148
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/49642747,60,60)
Published in Palaeontology, in 1987, in volume 30, issue 2, pages 233-249
Created: 2016-04-23, modified: 2016-04-23![](https://www.biodiversitylibrary.org/pagethumb/32150201,60,60)
Published in American Fern Journal, in 2001, in volume 91, pages 1-8
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/32150690,60,60)
Published in American Fern Journal, in 2001, in volume 91, pages 229
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/52036630,60,60)
Published in The Wilson Bulletin, in 1926, in volume 38, issue 4, pages 200-201
Created: 2016-11-27, modified: 2016-11-27![](https://www.biodiversitylibrary.org/pagethumb/32034354,60,60)
Published in American Fern Journal, in 2002, in volume 92, pages 23-29
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/32149453,60,60)
Published in American Fern Journal, in 2003, in volume 93, pages 153-154
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/47395546,60,60)
Published in American Fern Journal, in 2009, in volume 99, pages 1-44
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/51289736,60,60)
Published in Rodriguésia, in 2007, in volume 58, issue 1, pages 147-157
Created: 2016-08-14, modified: 2016-08-14![](https://www.biodiversitylibrary.org/pagethumb/53233382,60,60)
Published in American Fern Journal, in 2014, in volume 104, pages 109-178
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/53233458,60,60)
Published in American Fern Journal, in 2014, in volume 104, pages 181-236
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/2824806,60,60)
Published in Bulletin of The Museum of Comparative Zoology, in 1940, in volume 87, pages 121-211
Created: 2009-12-23, modified: 2021-04-05![](https://www.biodiversitylibrary.org/pagethumb/42500143,60,60)
Published in Veliger, in 1966, in volume 8, pages 226-230
Created: 2013-12-03, modified: 2013-12-03![](https://www.biodiversitylibrary.org/pagethumb/39671118,60,60)
Published in American Fern Journal, in 2008, in volume 98, pages 139-159
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/51290463,60,60)
Published in Rodriguésia, in 2007, in volume 58, issue 4, pages 847-858
Created: 2016-08-14, modified: 2016-08-14![](https://www.biodiversitylibrary.org/pagethumb/47399749,60,60)
Published in American Fern Journal, in 2010, in volume 100, pages 189-194
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/39922709,60,60)
Published in Novon: A Journal For Botanical Nomenclature, in 2010, in volume 20, pages 13-20
Created: 2014-06-14, modified: 2016-02-16![](https://www.biodiversitylibrary.org/pagethumb/56775388,60,60)
Published in Richardiana, in 2016, in volume 16, pages 226-231
Created: 2018-09-30, modified: 2023-02-16![](https://www.biodiversitylibrary.org/pagethumb/605348,60,60)
Published in Rhodora, in 1937, in volume 39, issue 458, pages 51-52
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/50089002,60,60)
Published in American Fern Journal, in 2013, in volume 103, pages 21-26
Created: 2017-04-23, modified: 2017-04-23