Published in Rhodora, in 1921, in volume 23, issue 270, pages 126-127

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

Published in Rhodora, in 1933, in volume 35, issue 415, pages 227-230

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

Published in Palaeontology, in 1967, in volume 10, issue 2, pages 314-316

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

Published in Bulletin of The British Ornithologists' Club, in 2001, in volume 121, issue 1, pages 10-23

Created: 2012-09-16, modified: 2015-04-20

Published in Rhodora, in 1930, in volume 32, issue 379, pages 140-142

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

Published in Rhodora, in 1923, in volume 25, issue 299, pages 189-191

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

Published in Palaeontology, in 1968, in volume 11, issue 3, pages 435-438

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

Published in Rhodora, in 1926, in volume 28, issue 2, pages 31-34

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

Published in Rhodora, in 1926, in volume 28, issue 3, pages 46-48

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

Published in Rhodora, in 1903, in volume 5, issue 57, pages 213-219

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

Published in Rhodora, in 1935, in volume 37, issue 436, pages 161-162

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

Published in Torreya, in 1903, in volume 3, issue 2, pages 31-32

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

Published in Rhodora, in 1901, in volume 3, pages 89-90

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

Published in Rhodora, in 1903, in volume 5, issue 56, pages 202

Created: 2016-07-19, modified: 2016-07-26

Published in Rhodora, in 1910, in volume 12, issue 142, pages 204-205

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

Published in Rhodora, in 1911, in volume 13, issue 156, pages 253

Created: 2016-07-19, modified: 2016-07-26

Published in Rhodora, in 1907, in volume 9, issue 101, pages 86-90

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

Published in Palaeontology, in 1958, in volume 1, issue 3, pages 207-225

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

Published in Rhodora, in 1903, in volume 5, issue 50, pages 74-76

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

Published in Rhodora, in 1908, in volume 10, issue 111, pages 56

Created: 2016-07-19, modified: 2016-07-26

Published in Rhodora, in 1919, in volume 21, issue 248, pages 147-148

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

Published in Rhodora, in 1931, in volume 33, issue 392, pages 167-170

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

Published in Rhodora, in 1914, in volume 16, issue 181, pages 19-20

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

Published in Rhodora, in 1916, in volume 18, issue 215, pages 239-240

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

Published in American Fern Journal, in 1942, in volume 32, pages 1-12

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

Published in Bulletin of the British Museum (Natural History). Geology., in 1957, in volume 3, issue 2, pages 23-70

Created: 2014-09-30, modified: 2021-05-13

Published in Journal of The Arnold Arboretum, in 1955, in volume 36, issue 2/3, pages 165-170

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

Published in The Great Basin Naturalist, in 1977, in volume 37, pages 57-66

Created: 2017-11-16, modified: 2017-11-16

Published in Forktail, in 2002, in volume 18, pages 67-86

Created: 2019-05-12, modified: 2019-05-12

Published in Forktail, in 2012, in volume 28, pages 44-48

Created: 2019-05-12, modified: 2019-05-12

Published in Forktail, in 2012, in volume 28, pages 129-135

Created: 2019-05-12, modified: 2019-05-12

Published in Phytologia, in 1998, in volume 85, issue 4, pages 273-275

Created: 2016-05-04, modified: 2016-05-06

Published in Rhodora, in 1917, in volume 19, issue 222, pages 105-110

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

Published in Rhodora, in 1922, in volume 24, issue 282, pages 111-121

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

Published in Bulletin of The African Bird Club, in 2010, in volume 17, issue 1, pages 99-101

Created: 2021-02-23, modified: 2021-02-23

Published in Rhodora, in 1917, in volume 19, issue 223, pages 119-130

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

Published in Palaeontology, in 1968, in volume 11, issue 2, pages 283-305

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

Published in Forktail, in 1993, in volume 8, pages 25-52

Created: 2019-05-12, modified: 2019-05-12

Published in Nautilis, in 1927, in volume 40, pages 109-111

Created: 2013-09-28, modified: 2013-09-28

Published in Torreya, in 1928, in volume 28, issue 5, pages 99-100

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

Published in Bulletin of The British Ornithologists' Club, in 1999, in volume 119, pages 4-15

Created: 2012-12-02, modified: 2012-12-02

Published in Bulletin of The British Ornithologists' Club, in 1996, in volume 116, pages 216-224

Created: 2012-12-02, modified: 2012-12-02

Published in Botanical Gazette, in 1893, in volume 18, issue 6, pages 242

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

Published in Torreya, in 1908, in volume 8, issue 9, pages 218-219

Created: 2022-12-15, modified: 2022-12-15

Published in Torreya, in 1908, in volume 8, issue 10, pages 233-235

Created: 2022-12-15, modified: 2022-12-15

in 1879, pages 1

Created: 2017-06-24, modified: 2017-06-24

Published in Bulletin of the British Ornithologists' Club, in 2002, in volume 122, issue 2, pages 109-141

Created: 2012-12-28, modified: 2012-12-28

Published in Smithsonian miscellaneous collections, in 1921, in volume 69, issue 5, pages 1-309

Created: 2013-04-14, modified: 2013-04-14

Published in Torreya, in 1924, in volume 24, issue 3, pages 44-46

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

Published in Torreya, in 1935, in volume 35, issue 1, pages 11-13

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