Published in Contributions in Science, in 1989, in volume 402, pages 1-43

Created: 2017-07-19, modified: 2023-02-16

Published in The Wilson Bulletin, in 1970, in volume 82, issue 1, pages 14-28

Created: 2017-02-19, modified: 2017-02-19

Published in The Wilson Bulletin, in 1973, in volume 85, issue 2, pages 197-208

Created: 2016-12-04, modified: 2016-12-04

Published in Asa Gray correspondence. Senders A, in 1889, pages 1

Created: 2017-06-18, modified: 2017-06-18

Published in Rhodora, in 2003, in volume 105, issue 921, pages 92-93

Created: 2016-07-19, modified: 2016-07-19

Published in Botanical Gazette, in 1887, in volume 12, issue 8, pages 192

Created: 2017-03-14, modified: 2017-03-14

Published in Palaeontology, in 1964, in volume 7, issue 1, pages 85-104

Created: 2016-04-23, modified: 2016-04-23

Published in Rhodora, in 1940, in volume 42, issue 500, pages 280

Created: 2014-06-16, modified: 2016-07-26

Published in Botanical Gazette, in 1892, in volume 17, issue 3, pages 78-81

Created: 2017-03-14, modified: 2017-03-14

Published in Rhodora, in 1934, in volume 36, issue 429, pages 344-346

Created: 2016-07-19, modified: 2016-07-19

Published in Rhodora, in 1932, in volume 34, issue 397, pages 1-4

Created: 2016-07-19, modified: 2016-07-19

Published in Botanical Gazette, in 1887, in volume 12, issue 3, pages 65-66

Created: 2017-03-14, modified: 2017-03-14

Published in Madroño, in 1970, in volume 20, issue 5, pages 288

Created: 2016-02-15, modified: 2016-07-07

Published in The Wilson Bulletin, in 1902, in volume 14, issue 1, pages 5-7

Created: 2016-11-27, modified: 2016-11-27

Published in Novon, in 2006, in volume 16, pages 168-204

Created: 2011-01-28, modified: 2016-02-16

Published in American Fern Journal, in 1931, in volume 21, pages 11-20

Created: 2017-04-23, modified: 2017-04-23

Published in American Fern Journal, in 1931, in volume 21, pages 64-71

Created: 2017-04-23, modified: 2017-04-23

Published in Botanical Gazette, in 1889, in volume 14, issue 7, pages 180-181

Created: 2017-03-14, modified: 2017-03-14

Published in Botanical Gazette, in 1890, in volume 15, issue 11, pages 299-304

Created: 2017-03-14, modified: 2017-03-14

Published in The Wilson Bulletin, in 1901, in volume 13, issue 4, pages 37-38

Created: 2016-11-27, modified: 2016-11-27

Published in The Wilson Bulletin, in 1902, in volume 14, issue 4, pages 113-116

Created: 2016-11-27, modified: 2016-11-27

Published in Palaeontology, in 1964, in volume 7, issue 1, pages 72-84

Created: 2016-04-23, modified: 2016-04-23

Published in Journal of The Arnold Arboretum, in 1934, in volume 15, issue 1, pages 28-42

Created: 2016-07-07, modified: 2016-07-07

Published in Botanical Gazette, in 1891, in volume 16, issue 2, pages 45-49

Created: 2017-03-14, modified: 2017-03-14

Published in Torreya, in 1936, in volume 36, issue 6, pages 150-156

Created: 2022-12-14, modified: 2022-12-14

Published in The Wilson Bulletin, in 1899, in volume 11, issue 4, pages 84

Created: 2016-11-27, modified: 2016-11-27

Published in The Wilson Bulletin, in 1899, in volume 11, issue 4, pages 86

Created: 2016-11-27, modified: 2016-11-27

Published in The Wilson Bulletin, in 1900, in volume 12, issue 3, pages 2-4

Created: 2016-11-27, modified: 2016-11-27

Published in Palaeontology, in 1983, in volume 26, issue 1, pages 147-173

Created: 2016-04-23, modified: 2016-04-23

Published in Torreya, in 1939, in volume 39, issue 1, pages 18-24

Created: 2022-12-14, modified: 2022-12-14

Published in The Auk, in 1905, in volume 22, pages 214

Created: 2013-03-07, modified: 2013-03-08

Published in The Wilson Bulletin, in 1938, in volume 50, issue 4, pages 254-256

Created: 2016-12-19, modified: 2016-12-19

Published in Revue Suisse De Zoologie, in 1971, in volume 78, pages 807-814

Created: 2013-11-10, modified: 2023-02-16

Published in Asa Gray correspondence. Senders A, in 1837, pages 1-2

Created: 2017-06-18, modified: 2017-06-18

Published in Asa Gray correspondence. Senders A, in 1837, pages 1-3

Created: 2017-06-18, modified: 2017-06-18

Published in Münchner Koleopterologische Zeitschrift, in 1903, in volume 1, pages 117-150

Created: 2023-08-14, modified: 2023-08-14

Published in Rhodora, in 1998, in volume 100, issue 901, pages 1-24

Created: 2014-06-16, modified: 2016-07-26

Published in Sida, Contributions To Botany, in 1993, in volume 15, pages 619-622

Created: 2014-02-06, modified: 2014-02-06

Published in Phytoneuron, in 2013, in volume 2013-35, pages 1-3

Created: 2016-04-29, modified: 2016-04-29

Published in Entomological News, in 1981, in volume 92, pages 69-74

Created: 2011-06-10, modified: 2021-04-05

Published in Asa Gray correspondence. Senders A, in 1864, pages 1

Created: 2017-06-18, modified: 2017-06-18

Published in Asa Gray correspondence. Senders A, in 1866, pages 1-2

Created: 2017-06-18, modified: 2017-06-18

Published in Asa Gray correspondence. Senders A, in 1873, pages 1-2

Created: 2017-06-18, modified: 2017-06-18

Published in Asa Gray correspondence. Senders A, in 1876, pages 1-2

Created: 2017-06-18, modified: 2017-06-18

Published in Asa Gray correspondence. Senders A, in 1877, pages 1-4

Created: 2017-06-18, modified: 2017-06-18

Published in Asa Gray correspondence. Senders A, in 1873, pages 1-2

Created: 2017-06-18, modified: 2017-06-18

Published in Asa Gray correspondence. Senders A, in 1875, pages 1-2

Created: 2017-06-18, modified: 2017-06-18

Published in The Wilson Bulletin, in 1901, in volume 13, issue 4, pages 29-30

Created: 2016-11-27, modified: 2016-11-27

Published in Phytologia, in 2010, in volume 92, issue 2, pages 241-248

Created: 2017-03-08, modified: 2017-03-08

Published in The Wilson Bulletin, in 1898, in volume 10, issue 4, pages 65-66

Created: 2016-11-27, modified: 2016-11-27