Published in Bulletin of the British Museum (Natural History). Geology, in 1977, in volume 29, issue 2, pages 137-234
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Published in Torreya, in 1922, in volume 22, issue 4, pages 67-68
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Published in Rhodora, in 1922, in volume 24, pages 121-124
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Published in The Auk, in 1899, in volume 16, pages 83-84
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Published in Botanical Gazette, in 1882, in volume 7, issue 1, pages 10
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Published in Rhodora, in 1934, in volume 36, pages 55-58
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Published in The Auk, in 1913, in volume 30, pages 325-358
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Published in Rhodora, in 1909, in volume 11, issue 126, pages 121
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Published in Journal of The Washington Academy of Sciences, in 1929, in volume 19, pages 11-27
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Published in Journal of The Washington Academy of Sciences, in 1956, in volume 46, pages 392-396
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Published in Rhodora, in 1928, in volume 30, pages 1-12
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Published in Journal of The Washington Academy of Sciences, in 1931, in volume 21, pages 288-294
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Published in Journal of The Washington Academy of Sciences, in 1934, in volume 24, pages 467-480
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Published in Journal of The Washington Academy of Sciences, in 1952, in volume 42, pages 178-182
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Published in Journal of The Washington Academy of Sciences, in 1936, in volume 26, pages 6-16
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Published in Journal of The Washington Academy of Sciences, in 1928, in volume 18, pages 577-582
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Published in The Auk, in 1920, in volume 37, pages 179-180
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Published in Journal of The New York Entomological Society, in 1933, in volume 41, issue 3, pages 393-395
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Published in Nautilis, in 1901, in volume 14, pages 117-118
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Published in Torreya, in 1940, in volume 40, issue 6, pages 213-218
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Published in Nautilis, in 1908, in volume 22, pages 61-63
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Published in Rhodora, in 1940, in volume 42, issue 494, pages 55-56
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Published in Nautilis, in 1893, in volume 7, pages 25-26
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Published in Nautilis, in 1894, in volume 8, pages 90-91
Created: 2013-09-28, modified: 2013-09-28
Published in Nautilis, in 1901, in volume 14, pages 142-143
Created: 2013-09-28, modified: 2013-09-28
Published in Nautilis, in 1900, in volume 14, pages 37-38
Created: 2013-09-28, modified: 2013-09-28
Published in Nautilis, in 1900, in volume 14, pages 15-16
Created: 2013-09-28, modified: 2013-09-28
Published in Nautilis, in 1903, in volume 16, pages 101-102
Created: 2013-09-28, modified: 2013-09-28
Published in Nautilis, in 1903, in volume 17, pages 51-52
Created: 2013-09-28, modified: 2013-09-28
Published in Nautilis, in 1906, in volume 19, pages 131-132
Created: 2013-09-28, modified: 2013-09-28
Published in Nautilis, in 1909, in volume 22, pages 115-117
Created: 2013-09-28, modified: 2013-09-28
Published in Nautilis, in 1908, in volume 22, pages 31-32
Created: 2013-09-28, modified: 2013-09-28
Published in Nautilis, in 1908, in volume 22, pages 1-2
Created: 2013-09-28, modified: 2013-09-28
Published in Nautilis, in 1911, in volume 25, pages 86-87
Created: 2013-09-28, modified: 2013-09-28
Published in Nautilis, in 1911, in volume 25, pages 25-26
Created: 2013-09-28, modified: 2013-09-28
Published in Nautilis, in 1922, in volume 36, pages 27-28
Created: 2013-09-28, modified: 2013-09-28
Published in Rhodora, in 1904, in volume 6, issue 71, pages 223-225
Created: 2016-07-19, modified: 2016-07-19
Published in Rhodora, in 1906, in volume 8, issue 85, pages 17-18
Created: 2016-07-19, modified: 2016-07-19
Published in Rhodora, in 1957, in volume 59, issue 706, pages 272
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Published in Madroño, in 1933, in volume 2, issue 13, pages 109-110
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Published in Nautilus, in 1903, in volume 17, pages 61-62
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Published in Ibis, in 1867, in volume 3, issue 1, pages 97-104
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Published in Nautilis, in 1930, in volume 44, pages 10-13
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Published in Canadian Entomologist, in 1905, in volume 37, pages 142-143
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Published in Nautilis, in 1901, in volume 15, pages 58-59
Created: 2013-09-28, modified: 2013-09-28
Published in Nautilis, in 1911, in volume 25, pages 19-20
Created: 2013-09-28, modified: 2013-09-28
Published in Nautilis, in 1890, in volume 3, pages 121-122
Created: 2013-09-28, modified: 2013-09-28
Published in Nautilis, in 1921, in volume 35, pages 4-5
Created: 2013-09-28, modified: 2013-09-28
Published in Rhodora, in 1911, in volume 13, issue 153, pages 193-195
Created: 2016-07-19, modified: 2016-07-19
Published in Mycologia, in 1922, in volume 14, issue 2, pages 55-60
Created: 2017-10-18, modified: 2017-10-18