Published in Forktail, in 2009, in volume 25, pages 147-150
Created: 2019-05-12, modified: 2019-05-12![](https://www.biodiversitylibrary.org/pagethumb/32261638,60,60)
Published in American Fern Journal, in 1980, in volume 70, pages 45-46
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/1507149,60,60)
Published in Biol Bull, in 1969, in volume 137, pages 494-505
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/28001465,60,60)
Published in Annals of the Missouri Botanical Garden, in 1991, in volume 78, pages 87-88
Created: 2010-01-08, modified: 2015-12-16![](https://www.biodiversitylibrary.org/pagethumb/8015067,60,60)
Published in Notulae Systematicae, in 1956, in volume 15, issue 2, pages 220-225
Created: 2016-12-04, modified: 2016-12-04![](https://www.biodiversitylibrary.org/pagethumb/31805035,60,60)
Published in American Fern Journal, in 1982, in volume 72, pages 63-64
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/16446802,60,60)
Published in Journal of The Arnold Arboretum, in 1972, in volume 53, issue 3, pages 312-335
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/49931863,60,60)
Published in Bollettino Malacologico, in 1989, in volume 24, issue 9-12, pages 173-178
Created: 2016-06-27, modified: 2016-06-27![](https://www.biodiversitylibrary.org/pagethumb/52103751,60,60)
Published in Contributions in Science, in 1978, in volume 298, pages 1-9
Created: 2017-07-17, modified: 2023-02-16![](https://www.biodiversitylibrary.org/pagethumb/63689331,60,60)
Published in DORIANA, in 1989, in volume 6, issue 265, pages 1-7
Created: 2024-07-15, modified: 2024-07-15![](https://www.biodiversitylibrary.org/pagethumb/48407370,60,60)
Published in Journal of The Botanical Research Institute of Texas, in 2010, in volume 4, issue 2, pages 755-760
Created: 2015-12-01, modified: 2015-12-01![](https://www.biodiversitylibrary.org/pagethumb/13159604,60,60)
Published in Phytologia, in 1981, in volume 50, issue 1, pages 69-70
Created: 2017-03-08, modified: 2017-03-08![](https://www.biodiversitylibrary.org/pagethumb/13160004,60,60)
Published in Phytologia, in 1982, in volume 50, issue 7, pages 457-460
Created: 2017-03-08, modified: 2017-03-08![](https://www.biodiversitylibrary.org/pagethumb/13039498,60,60)
Published in Phytologia, in 1982, in volume 51, issue 7, pages 474-478
Created: 2017-03-08, modified: 2017-03-08![](https://www.biodiversitylibrary.org/pagethumb/13158694,60,60)
Published in Phytologia, in 1982, in volume 52, issue 4, pages 227-229
Created: 2017-03-08, modified: 2017-03-08![](https://www.biodiversitylibrary.org/pagethumb/12987339,60,60)
Published in Phytologia, in 1983, in volume 53, issue 6, pages 447-448
Created: 2017-03-08, modified: 2017-03-08![](https://www.biodiversitylibrary.org/pagethumb/32032969,60,60)
Published in American Fern Journal, in 1972, in volume 62, pages 100
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/47877886,60,60)
Published in Madroño, in 1946, in volume 8, issue 7, pages 230-233
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/44341460,60,60)
Published in Avicennia, in 1997, in volume 6-7, pages 61-64
Created: 2014-04-06, modified: 2014-04-06![](https://www.biodiversitylibrary.org/pagethumb/51315911,60,60)
Published in Journal of Raptor Research, in 1992, in volume 26, issue 3, pages 184-188
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/31876789,60,60)
Published in American Fern Journal, in 1978, in volume 68, pages 60
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/29149940,60,60)
Published in Journal of The Arnold Arboretum, in 1967, in volume 48, issue 2, pages 105-121
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/31876351,60,60)
Published in American Fern Journal, in 1976, in volume 66, pages 28
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/32261965,60,60)
Published in American Fern Journal, in 1983, in volume 73, pages 63
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/1512687,60,60)
Published in Biol Bull, in 1972, in volume 143, pages 344-357
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/51312996,60,60)
Published in Journal of Raptor Research, in 1990, in volume 24, issue 1-2, pages 5-11
Created: 2017-04-07, modified: 2017-04-07![](https://www.biodiversitylibrary.org/pagethumb/47853999,60,60)
Published in Madroño, in 1998, in volume 45, issue 1, pages 47-56
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/13298363,60,60)
Published in Phytologia, in 1979, in volume 41, issue 3, pages 139-143
Created: 2017-03-08, modified: 2017-03-08![](https://www.biodiversitylibrary.org/pagethumb/47877800,60,60)
Published in Madroño, in 1946, in volume 8, issue 5, pages 152-157
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/53047273,60,60)
Published in Asa Gray correspondence. Senders Ca-Cl, in 1890, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53047274,60,60)
Published in Asa Gray correspondence. Senders Ca-Cl, in 1890, pages 1
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53047075,60,60)
Published in Asa Gray correspondence. Senders Ca-Cl, in 1888, pages 1-6
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/32032960,60,60)
Published in American Fern Journal, in 1972, in volume 62, pages 95
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/31876735,60,60)
Published in American Fern Journal, in 1978, in volume 68, pages 9-10
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/7799641,60,60)
Published in The Great Basin Naturalist, in 1982, in volume 42, pages 549-552
Created: 2017-11-16, modified: 2017-11-16![](https://www.biodiversitylibrary.org/pagethumb/925979,60,60)
Published in Biol Bull, in 1921, in volume 41, pages 188-202
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/27048878,60,60)
Published in Transactions of The American Microscopical Society, in 1916, in volume 35, pages 141-148
Created: 2013-03-11, modified: 2013-03-11![](https://www.biodiversitylibrary.org/pagethumb/27048790,60,60)
Published in Transactions of The American Microscopical Society, in 1916, in volume 35, pages 65-73
Created: 2013-03-11, modified: 2013-03-11![](https://www.biodiversitylibrary.org/pagethumb/27049030,60,60)
Published in Transactions of The American Microscopical Society, in 1916, in volume 35, pages 257-268
Created: 2013-03-11, modified: 2013-03-11![](https://www.biodiversitylibrary.org/pagethumb/27095542,60,60)
Published in Transactions of The American Microscopical Society, in 1920, in volume 39, pages 163-166
Created: 2013-03-11, modified: 2013-03-11![](https://www.biodiversitylibrary.org/pagethumb/26379766,60,60)
Published in Transactions of The American Microscopical Society, in 1919, in volume 38, pages 292-294
Created: 2013-03-11, modified: 2013-03-11![](https://www.biodiversitylibrary.org/pagethumb/1504588,60,60)
Published in Biol Bull, in 1966, in volume 130, pages 369-377
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/1539839,60,60)
Published in Biol Bull, in 1977, in volume 152, pages 12-25
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/35323830,60,60)
Published in Iberus, in 1996, in volume 14, pages 103-107
Created: 2014-01-12, modified: 2014-01-12![](https://www.biodiversitylibrary.org/pagethumb/32631736,60,60)
Published in Iberus, in 1990, in volume 9, pages 387-392
Created: 2014-01-12, modified: 2014-01-12![](https://www.biodiversitylibrary.org/pagethumb/10817595,60,60)
Published in Journal of The Arnold Arboretum, in 1968, in volume 49, issue 2, pages 225-232
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/31876350,60,60)
Published in American Fern Journal, in 1976, in volume 66, pages 27
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/53216615,60,60)
Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1879, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53216634,60,60)
Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1890, pages 1-2
Created: 2017-06-24, modified: 2017-06-24![](https://www.biodiversitylibrary.org/pagethumb/53216636,60,60)
Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1890, pages 1-2
Created: 2017-06-24, modified: 2017-06-24