Published in Annals of the Missouri Botanical Garden, in 1974, in volume 61, pages 675-691
Created: 2010-01-08, modified: 2015-12-16![](https://www.biodiversitylibrary.org/pagethumb/27052124,60,60)
Published in Nautilis, in 1906, in volume 19, pages 101-102
Created: 2013-09-28, modified: 2013-09-28![](https://www.biodiversitylibrary.org/pagethumb/5874093,60,60)
Published in Rhodora, in 1980, in volume 82, issue 829, pages 131-140
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/34563799,60,60)
Published in Proceedings of the Biological Society of Washington, in 1935, in volume 48, pages 143-146
Created: 2013-11-09, modified: 2013-11-09![](https://www.biodiversitylibrary.org/pagethumb/32136343,60,60)
Published in Torreya, in 1937, in volume 37, issue 3, pages 63-65
Created: 2022-12-14, modified: 2022-12-14![](https://www.biodiversitylibrary.org/pagethumb/39872505,60,60)
Published in Journal of The Washington Academy of Sciences, in 1936, in volume 26, pages 296-298
Created: 2012-08-30, modified: 2013-03-14![](https://www.biodiversitylibrary.org/pagethumb/52036237,60,60)
Published in The Wilson Bulletin, in 1927, in volume 39, issue 2, pages 91-105
Created: 2016-11-27, modified: 2016-11-27![](https://www.biodiversitylibrary.org/pagethumb/47962168,60,60)
Published in Madroño, in 1985, in volume 32, issue 4, pages 225-252
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/3188150,60,60)
Published in Proceedings of the California Academy of Sciences, in 1944, in volume 23, pages 555-560
Created: 2011-06-28, modified: 2021-04-05![](https://www.biodiversitylibrary.org/pagethumb/50583480,60,60)
Published in BULL BROOKLYN ENT SOC, in 1954, in volume 49, issue 1, pages 23-24
Created: 2016-05-17, modified: 2016-05-17![](https://www.biodiversitylibrary.org/pagethumb/32261690,60,60)
Published in American Fern Journal, in 1980, in volume 70, pages 93-95
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/1506905,60,60)
Published in Biol Bull, in 1969, in volume 137, pages 250-255
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/4397374,60,60)
Published in University of Kansas publications, Museum of Natural History, in 1960, in volume 14, issue 14, pages 165-362
Created: 2013-03-20, modified: 2013-03-20![](https://www.biodiversitylibrary.org/pagethumb/8114382,60,60)
Published in The Great Basin Naturalist, in 1941, in volume 2, pages 105-108
Created: 2017-11-16, modified: 2017-11-16![](https://www.biodiversitylibrary.org/pagethumb/47941137,60,60)
Published in Madroño, in 1991, in volume 38, issue 2, pages 96-114
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/28464512,60,60)
Published in Botanical Gazette, in 1907, in volume 43, issue 1, pages 74
Created: 2017-03-14, modified: 2017-03-14![](https://www.biodiversitylibrary.org/pagethumb/32128579,60,60)
Published in Torreya, in 1939, in volume 39, issue 1, pages 27-28
Created: 2022-12-14, modified: 2022-12-14![](https://www.biodiversitylibrary.org/pagethumb/32136319,60,60)
Published in Torreya, in 1937, in volume 37, issue 2, pages 43-44
Created: 2022-12-14, modified: 2022-12-14![](https://www.biodiversitylibrary.org/pagethumb/32138669,60,60)
Published in Torreya, in 1930, in volume 30, issue 1, pages 33-34
Created: 2022-12-14, modified: 2022-12-14![](https://www.biodiversitylibrary.org/pagethumb/32129655,60,60)
Published in Torreya, in 1932, in volume 32, issue 1, pages 9-11
Created: 2022-12-14, modified: 2022-12-14![](https://www.biodiversitylibrary.org/pagethumb/32129881,60,60)
Published in Torreya, in 1933, in volume 33, issue 1, pages 27-28
Created: 2022-12-14, modified: 2022-12-14![](https://www.biodiversitylibrary.org/pagethumb/4343684,60,60)
Published in Bulletin of The Museum of Comparative Zoology, in 1946, in volume 96, pages 217-307
Created: 2011-11-08, modified: 2011-11-08![](https://www.biodiversitylibrary.org/pagethumb/47218115,60,60)
Published in Phytologia, in 2010, in volume 92, issue 2, pages 230-232
Created: 2017-03-08, modified: 2017-03-08![](https://www.biodiversitylibrary.org/pagethumb/32261666,60,60)
Published in American Fern Journal, in 1980, in volume 70, pages 73-78
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/604036,60,60)
Published in Rhodora, in 1935, in volume 37, issue 433, pages 31
Created: 2016-07-19, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/6463424,60,60)
Published in Notulae Systematicae, in 1936, in volume 5, issue 2, pages 106-131
Created: 2021-09-29, modified: 2021-09-29![](https://www.biodiversitylibrary.org/pagethumb/7332531,60,60)
Published in Notulae Systematicae, in 1942, in volume 10, issue 4, pages 241-248
Created: 2021-09-29, modified: 2021-09-29![](https://www.biodiversitylibrary.org/pagethumb/30239386,60,60)
Published in Botanical Gazette, in 1909, in volume 47, issue 6, pages 483-484
Created: 2017-03-14, modified: 2017-03-14![](https://www.biodiversitylibrary.org/pagethumb/2815729,60,60)
Published in Bulletin of The Museum of Comparative Zoology, in 1913, in volume 54, pages 525-543
Created: 2009-12-23, modified: 2021-04-05![](https://www.biodiversitylibrary.org/pagethumb/2810498,60,60)
Published in Bulletin of the Museum of Comparative Zoology (Harvard University), in 1931, in volume 55, pages 165-213
Created: 2010-11-21, modified: 2021-04-05![](https://www.biodiversitylibrary.org/pagethumb/10715347,60,60)
Published in University of Kansas Publications of the Museum of Natural History, in 1952, in volume 5, issue 23, pages 293-312
Created: 2017-01-27, modified: 2017-01-27![](https://www.biodiversitylibrary.org/pagethumb/26380097,60,60)
Published in Nautilus Boston Mass, in 1913, in volume 26, pages 97-99
Created: 2013-06-18, modified: 2013-06-18![](https://www.biodiversitylibrary.org/pagethumb/27054090,60,60)
Published in Nautilis, in 1902, in volume 16, pages 73-75
Created: 2013-09-28, modified: 2013-09-28![](https://www.biodiversitylibrary.org/pagethumb/6678042,60,60)
Published in Notulae Systematicae, in 1913, in volume 2, issue 11, pages 337
Created: 2021-09-29, modified: 2021-09-29![](https://www.biodiversitylibrary.org/pagethumb/32130934,60,60)
Published in Torreya, in 1929, in volume 29, issue 5, pages 142-144
Created: 2022-12-14, modified: 2022-12-14![](https://www.biodiversitylibrary.org/pagethumb/32088606,60,60)
Published in Torreya, in 1920, in volume 20, issue 3, pages 50-52
Created: 2022-12-14, modified: 2022-12-14![](https://www.biodiversitylibrary.org/pagethumb/1535298,60,60)
Published in Biol Bull, in 1963, in volume 125, pages 197-205
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/4630570,60,60)
Published in Bulletin of The Museum of Comparative Zoology, in 1916, in volume 56, pages 179-286
Created: 2009-12-23, modified: 2021-04-05![](https://www.biodiversitylibrary.org/pagethumb/10193047,60,60)
Published in Annals of the Carnegie Museum, in 1905, in volume 3, pages 79-177
Created: 2017-10-22, modified: 2017-10-22![](https://www.biodiversitylibrary.org/pagethumb/628006,60,60)
Published in Rhodora, in 1962, in volume 64, issue 760, pages 349-350
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/619525,60,60)
Published in Rhodora, in 1952, in volume 54, issue 648, pages 307
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/27054336,60,60)
Published in Nautilis, in 1904, in volume 17, pages 123-124
Created: 2013-09-28, modified: 2013-09-28![](https://www.biodiversitylibrary.org/pagethumb/6677710,60,60)
Published in Notulae Systematicae, in 1911, in volume 2, issue 1, pages 17-18
Created: 2021-09-29, modified: 2021-09-29![](https://www.biodiversitylibrary.org/pagethumb/6677853,60,60)
Published in Notulae Systematicae, in 1911, in volume 2, issue 5, pages 155-157
Created: 2021-09-29, modified: 2021-09-29![](https://www.biodiversitylibrary.org/pagethumb/7332538,60,60)
Published in Notulae Systematicae, in 1942, in volume 10, issue 4, pages 248-252
Created: 2021-09-29, modified: 2021-09-29![](https://www.biodiversitylibrary.org/pagethumb/31057944,60,60)
Published in Zoologica, in 1912, in volume 1, issue 11, pages 194-238
Created: 2016-11-23, modified: 2016-11-23![](https://www.biodiversitylibrary.org/pagethumb/29956976,60,60)
Published in Botanical Gazette, in 1906, in volume 41, issue 3, pages 217-218
Created: 2017-03-14, modified: 2017-03-14![](https://www.biodiversitylibrary.org/pagethumb/29957159,60,60)
Published in Botanical Gazette, in 1906, in volume 41, issue 5, pages 355
Created: 2017-03-14, modified: 2017-03-14![](https://www.biodiversitylibrary.org/pagethumb/47991012,60,60)
Published in Madroño, in 1938, in volume 4, issue 6, pages 189-194
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/32130674,60,60)
Published in Torreya, in 1928, in volume 28, issue 3, pages 58-60
Created: 2022-12-14, modified: 2022-12-14