Published in Biol Bull, in 1916, in volume 31, pages 364-372

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Published in Rhodora, in 1964, in volume 66, issue 768, pages 371-374

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Published in Asa Gray correspondence. Senders A, in 1890, pages 1

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Published in Asa Gray correspondence. Senders A, in 1888, pages 1

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Published in Asa Gray correspondence. Senders A, in 1890, pages 1

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Published in Annals of Applied Biology, in 1917, in volume 4, pages 4-14

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Published in Asa Gray correspondence. Senders A, in 1893, pages 1

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Published in Torreya, in 1922, in volume 22, issue 2, pages 30-31

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Published in Torreya, in 1912, in volume 12, issue 2, pages 33-34

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Published in Botanical Museum Leaflets, Harvard University, in 1967, in volume 22, pages 33-63

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Published in The Auk, in 1917, in volume 34, pages 230-231

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Published in Rhodora, in 1943, in volume 45, issue 534, pages 217-220

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Published in Annals And Magazine of Natural History, in 1845, in volume 16, pages 221-227

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Published in Botanical Museum Leaflets, Harvard University, in 1954, in volume 16, pages 261-264

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Published in Torreya, in 1909, in volume 9, issue 2, pages 21-28

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Published in Botanical Gazette, in 1891, in volume 16, issue 8, pages 225-227

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Published in Annals And Magazine of Natural History, in 1846, in volume 17, pages 12-20

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Published in Botanical Museum Leaflets, Harvard University, in 1957, in volume 18, pages 57-76

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Published in Botanical Museum Leaflets, Harvard University, in 1963, in volume 20, pages 117-160

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Published in Annals And Magazine of Natural History, in 1848, in volume 1, pages 295-303

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Published in The Wilson Bulletin, in 1896, in volume 8, issue 4, pages 2

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Published in Botanical Museum Leaflets, Harvard University, in 1956, in volume 17, pages 125-150

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Published in Biol Bull, in 2003, in volume 204, pages 81-95

Created: 2010-01-07, modified: 2011-06-21

Published in Biol Bull, in 1949, in volume 97, pages 145-149

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Published in Torreya, in 1921, in volume 21, issue 1, pages 11-12

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Published in Torreya, in 1917, in volume 17, issue 2, pages 24-27

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Published in Mycologia, in 1909, in volume 1, issue 6, pages 225-256

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Published in Mycologia, in 1912, in volume 4, issue 1, pages 7-33

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Published in Mycologia, in 1912, in volume 4, issue 2, pages 49-65

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Published in Mycologia, in 1910, in volume 2, issue 5, pages 213-240

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Published in Botanical Gazette, in 1883, in volume 8, issue 4, pages 199-201

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Published in Botanical Gazette, in 1886, in volume 11, issue 1, pages 14-17

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Published in Botanical Gazette, in 1906, in volume 41, issue 4, pages 301-302

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Published in Botanical Gazette, in 1919, in volume 68, issue 2, pages 147-148

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Published in Ent. News, in 1913, in volume 24, pages 49-52

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Published in Ibis, in 1906, in volume 6, issue 1, pages 57-84

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Published in American Naturalist, in 1906, in volume 40, pages 683-706

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Published in Scopus, in 1981, in volume 5, pages 116-120

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Published in The Wilson Bulletin, in 1898, in volume 10, issue 4, pages 10-12

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

Published in Botanical Museum Leaflets, Harvard University, in 1956, in volume 17, pages 217-239

Created: 2016-02-07, modified: 2016-07-26

Published in Torreya, in 1904, in volume 4, issue 2, pages 21-23

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

Published in North American Flora, in 1925, in volume 7, issue 10, pages 669-732

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Published in North American Flora, in 1926, in volume 7, issue 11, pages 733-796

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Published in North American Flora, in 1927, in volume 7, issue 12, pages 797-848

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Published in Torreya, in 1911, in volume 11, issue 12, pages 259-261

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

Published in Torreya, in 1919, in volume 19, issue 3, pages 48-49

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Published in The Auk, in 1905, in volume 22, pages 420

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

Published in Rhodora, in 1900, in volume 2, issue 23, pages 221-223

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

Published in Journal of Mycology, in 1907, in volume 13, issue 1, pages 29-32

Created: 2017-10-18, modified: 2017-10-18

Published in Botanical Gazette, in 1896, in volume 22, issue 6, pages 463-472

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