Published in American Fern Journal, in 1974, in volume 64, pages 99-104
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/32262000,60,60)
Published in American Fern Journal, in 1983, in volume 73, pages 94-95
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/26841517,60,60)
Published in Annals of the Missouri Botanical Garden, in 1955, in volume 42, pages 101-102
Created: 2010-01-08, modified: 2016-12-29![](https://www.biodiversitylibrary.org/pagethumb/32152995,60,60)
Published in American Fern Journal, in 1991, in volume 81, pages 108
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/5873968,60,60)
Published in Rhodora, in 1980, in volume 82, issue 829, pages 1-2
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/47395707,60,60)
Published in American Fern Journal, in 2009, in volume 99, pages 231-235
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/32084787,60,60)
Published in American Fern Journal, in 1999, in volume 89, pages 178
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/32225968,60,60)
Published in American Fern Journal, in 1987, in volume 77, pages 28-32
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/33354738,60,60)
Published in Rhodora, in 1992, in volume 94, issue 877, pages 100-101
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/5873478,60,60)
Published in Rhodora, in 1981, in volume 83, issue 833, pages 133-137
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/5874421,60,60)
Published in Rhodora, in 1980, in volume 82, issue 831, pages 461-474
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/627343,60,60)
Published in Rhodora, in 1961, in volume 63, pages 70-88
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/33311038,60,60)
Published in Rhodora, in 1997, in volume 99, issue 900, pages 335-343
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/5439853,60,60)
Published in Rhodora, in 1978, in volume 80, issue 824, pages 558-569
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/53107463,60,60)
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1890, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53107464,60,60)
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1891, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53107468,60,60)
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1891, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53107466,60,60)
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1891, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53107465,60,60)
Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1891, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/628095,60,60)
Published in Rhodora, in 1963, in volume 65, pages 56-67
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/633086,60,60)
Published in Rhodora, in 1967, in volume 69, issue 780, pages 456-457
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/5439440,60,60)
Published in Rhodora, in 1978, in volume 80, issue 821, pages 156-157
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/32411531,60,60)
Published in American Fern Journal, in 1946, in volume 36, issue 2, pages 48
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/30342750,60,60)
Published in Botanical Gazette, in 1904, in volume 38, issue 1, pages 71-72
Created: 2017-03-14, modified: 2017-03-14![](https://www.biodiversitylibrary.org/pagethumb/27556816,60,60)
Published in Botanical Gazette, in 1895, in volume 20, issue 5, pages 232
Created: 2017-03-14, modified: 2017-03-14![](https://www.biodiversitylibrary.org/pagethumb/637244,60,60)
Published in Rhodora, in 1971, in volume 73, issue 793, pages 1-19
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/607828,60,60)
Published in Rhodora, in 1941, in volume 43, issue 506, pages 37-67
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/47993175,60,60)
Published in Madroño, in 1939, in volume 5, issue 1, pages 16-27
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/562471,60,60)
Published in Rhodora, in 1904, in volume 6, issue 68, pages 179-180
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/562520,60,60)
Published in Rhodora, in 1904, in volume 6, issue 71, pages 227
Created: 2016-07-19, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/47993239,60,60)
Published in Madroño, in 1939, in volume 5, issue 2, pages 74
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/627366,60,60)
Published in Rhodora, in 1961, in volume 63, pages 91-102
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/637690,60,60)
Published in Rhodora, in 1971, in volume 73, pages 444-460
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/658890,60,60)
Published in Rhodora, in 1972, in volume 74, pages 441-450
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/628898,60,60)
Published in Rhodora, in 1964, in volume 66, issue 765, pages 110-117
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/32861997,60,60)
Published in Rhodora, in 2000, in volume 102, issue 912, pages 428-438
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/626886,60,60)
Published in Rhodora, in 1960, in volume 62, issue 733, pages 1-10
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/627640,60,60)
Published in Rhodora, in 1961, in volume 63, issue 756, pages 349
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/634919,60,60)
Published in Rhodora, in 1970, in volume 72, issue 792, pages 533-535
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/31880058,60,60)
Published in American Fern Journal, in 1962, in volume 52, pages 153-155
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/561734,60,60)
Published in Rhodora, in 1902, in volume 4, issue 38, pages 42
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/562588,60,60)
Published in Rhodora, in 1905, in volume 7, issue 74, pages 38-39
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/29957067,60,60)
Published in Botanical Gazette, in 1906, in volume 41, issue 4, pages 283-293
Created: 2017-03-14, modified: 2017-03-14![](https://www.biodiversitylibrary.org/pagethumb/29219395,60,60)
Published in Botanical Gazette, in 1892, in volume 17, issue 2, pages 40-46
Created: 2017-03-14, modified: 2017-03-14![](https://www.biodiversitylibrary.org/pagethumb/47992940,60,60)
Published in Madroño, in 1923, in volume 1, issue 5, pages 96-97
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/32134282,60,60)
Published in Torreya, in 1907, in volume 7, issue 5, pages 102-103
Created: 2022-12-15, modified: 2022-12-15![](https://www.biodiversitylibrary.org/pagethumb/658664,60,60)
Published in Rhodora, in 1972, in volume 74, pages 220-241
Created: 2014-06-16, modified: 2016-07-26![](https://www.biodiversitylibrary.org/pagethumb/609096,60,60)
Published in Rhodora, in 1942, in volume 44, issue 528, pages 484-485
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/628004,60,60)
Published in Rhodora, in 1962, in volume 64, issue 760, pages 347-348
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/1462512,60,60)
Published in Biol Bull, in 1913, in volume 24, pages 133-146
Created: 2010-01-06, modified: 2011-06-21