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 Forktail, in 2012, in volume 28, pages 129-135
Created: 2019-05-12, modified: 2019-05-12
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 Bulletin of The British Ornithologists' Club, in 1996, in volume 116, pages 216-224
Created: 2012-12-02, modified: 2012-12-02
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 Forktail, in 2012, in volume 28, pages 44-48
Created: 2019-05-12, modified: 2019-05-12
Published in Forktail, in 2002, in volume 18, pages 67-86
Created: 2019-05-12, modified: 2019-05-12
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 Forktail, in 2009, in volume 25, pages 142-146
Created: 2019-05-12, modified: 2019-05-12
Published in Rhodora, in 1930, in volume 32, issue 379, pages 140-142
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Published in Forktail, in 1993, in volume 8, pages 25-52
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Published in Phytologia, in 1998, in volume 85, issue 4, pages 273-275
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Published in Rhodora, in 1922, in volume 24, issue 282, pages 111-121
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Published in Rhodora, in 1917, in volume 19, issue 222, pages 105-110
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Published in Rhodora, in 1917, in volume 19, issue 223, pages 119-130
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Published in Torreya, in 1903, in volume 3, issue 2, pages 31-32
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Published in Rhodora, in 1903, in volume 5, issue 57, pages 213-219
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Published in Rhodora, in 1926, in volume 28, issue 3, pages 46-48
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Published in Rhodora, in 1926, in volume 28, issue 2, pages 31-34
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Published in Rhodora, in 1935, in volume 37, issue 436, pages 161-162
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Published in The Great Basin Naturalist, in 1977, in volume 37, pages 57-66
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Published in Rhodora, in 1910, in volume 12, issue 142, pages 204-205
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Published in Rhodora, in 1903, in volume 5, issue 56, pages 202
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Published in Rhodora, in 1911, in volume 13, issue 156, pages 253
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Published in Rhodora, in 1901, in volume 3, pages 89-90
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Published in Palaeontology, in 1967, in volume 10, issue 2, pages 314-316
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Published in Rhodora, in 1903, in volume 5, issue 50, pages 74-76
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Published in Rhodora, in 1908, in volume 10, issue 111, pages 56
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Published in Rhodora, in 1921, in volume 23, issue 270, pages 126-127
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Published in Rhodora, in 1919, in volume 21, issue 248, pages 147-148
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Published in Rhodora, in 1933, in volume 35, issue 415, pages 227-230
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Published in Rhodora, in 1931, in volume 33, issue 392, pages 167-170
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Published in American Fern Journal, in 1942, in volume 32, pages 1-12
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Published in Rhodora, in 1923, in volume 25, issue 299, pages 189-191
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Published in Rhodora, in 1914, in volume 16, issue 181, pages 19-20
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Published in Rhodora, in 1916, in volume 18, issue 215, pages 239-240
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Published in Palaeontology, in 1968, in volume 11, issue 3, pages 435-438
Created: 2016-04-23, modified: 2016-04-23
Published in Journal of The Arnold Arboretum, in 1955, in volume 36, issue 2/3, pages 165-170
Created: 2016-07-07, modified: 2023-02-16
Published in The Auk, in 1920, in volume 37, pages 145
Created: 2013-03-08, modified: 2013-03-08
doi:10.2307/4072995
Published in The Auk, in 1898, in volume 15, pages 213-214
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Published in Madroño, in 2014, in volume 61, pages 148
Created: 2017-05-28, modified: 2017-05-28
Published in Memoirs of the Queensland Museum, in 1994, in volume 36, pages 132
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Published in Madroño, in 1955, in volume 13, issue 1, pages 5-46
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Published in Palaeontology, in 1958, in volume 1, issue 3, pages 207-225
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Published in Rhodora, in 1907, in volume 9, issue 101, pages 86-90
Created: 2016-07-19, modified: 2023-02-16
Published in Madroño, in 1955, in volume 13, pages 5-46
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Published in The Auk, in 1919, in volume 36, pages 301
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Published in The Auk, in 1895, in volume 12, pages 377-378
Created: 2013-03-07, modified: 2013-03-08
doi:10.2307/4068950
Published in The Auk, in 1904, in volume 21, pages 64-66
Created: 2013-03-07, modified: 2013-03-08
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Published in Carnivorous plant newsletter, in 1992, in volume 21, issue 3, pages 51-53
Created: 2018-05-11, modified: 2018-05-11