Published in Phytologia, in 1969, in volume 18, issue 6, pages 339

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Published in Cryptogamie. Algologie, in 1983, in volume 4, issue 3-4, pages 227-232

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Published in Phytologia, in 1971, in volume 22, issue 2, pages 106-108

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Published in Rhodora, in 1937, in volume 39, issue 464, pages 277-280

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Published in Rhodora, in 1937, in volume 39, issue 465, pages 366

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Published in Rhodora, in 1938, in volume 40, issue 474, pages 221-241

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Published in Rhodora, in 1938, in volume 40, issue 475, pages 255-273

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Published in Rhodora, in 1937, in volume 39, issue 466, pages 424

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Published in Rhodora, in 1933, in volume 35, issue 419, pages 359-364

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Published in Rhodora, in 1935, in volume 37, issue 437, pages 189-196

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Published in Madroño, in 1961, in volume 16, issue 3, pages 108

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Published in Contributions in Science, in 1957, in volume 5, pages 1-2

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Published in Rhodora, in 1948, in volume 50, issue 591, pages 67-71

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Published in Biol Bull, in 1935, in volume 68, pages 422-439

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Published in Rhodora, in 1956, in volume 58, issue 689, pages 117-124

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Published in Torreya, in 1902, in volume 2, issue 6, pages 90-91

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Published in Rhodora, in 1936, in volume 38, pages 191-5

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Published in Rhodora, in 1934, in volume 36, pages 415-7

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Published in Torreya, in 1902, in volume 2, issue 2, pages 20-21

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Published in Torreya, in 1902, in volume 2, issue 11, pages 173-175

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Published in Torreya, in 1903, in volume 3, issue 1, pages 5-6

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Published in Torreya, in 1902, in volume 2, issue 8, pages 113-117

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Published in Torreya, in 1902, in volume 2, issue 12, pages 177-180

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Published in Botanical Gazette, in 1916, in volume 61, issue 3, pages 213-230

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Published in Torreya, in 1901, in volume 1, issue 1, pages 5-6

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Published in Torreya, in 1902, in volume 2, issue 3, pages 40-41

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Published in Torreya, in 1902, in volume 2, issue 9, pages 137-139

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Published in Torreya, in 1942, in volume 42, issue 6, pages 191-192

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Published in The Victorian Naturalist, in 1937, in volume 54, issue 3, pages 35

Created: 2014-08-30, modified: 2014-08-30

Published in Annals And Magazine of Natural History, in 1881, in volume 7, pages 250-255

Created: 2011-09-29, modified: 2011-09-29

Published in Torreya, in 1901, in volume 1, issue 5, pages 56-59

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Published in Proceedings of The American Philosophical Society, in 1911, in volume 50, issue 199, pages 316-320

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Published in Torreya, in 1903, in volume 3, issue 5, pages 74-76

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Published in Torreya, in 1904, in volume 4, issue 6, pages 86-91

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Published in Palaeontology, in 1983, in volume 26, issue 2, pages 277-294

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Published in Torreya, in 1905, in volume 5, issue 10, pages 175-179

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Published in Journal of South African Botany, in 1937, in volume 3, pages 155-164

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Published in Proceedings of The American Philosophical Society, in 1911, in volume 50, issue 200, pages 397-403

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Published in Proceedings of The American Philosophical Society, in 1913, in volume 52, issue 209, pages 283-286

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Published in Torreya, in 1905, in volume 5, issue 5, pages 83-85

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Published in Ibis, in 1912, in volume 6, issue 2, pages 314-331

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Published in Madroño, in 1942, in volume 6, issue 8, pages 260-265

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Published in Journal of South African Botany, in 1936, in volume 2, pages 75-90

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Published in Asa Gray correspondence. Senders Be-Bo, in 1844, pages 1-2

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Published in Proceedings of The American Philosophical Society, in 1919, in volume 58, issue 220, pages 236-240

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Published in Gardens' Bulletin Singapore, in 1984, in volume 37, issue 1, pages 105-109

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Published in Palaeontology, in 1986, in volume 29, issue 4, pages 665-684

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

Published in The Auk, in 1912, in volume 29, pages 262-263

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

Published in Veliger, in 1975, in volume 17, pages 233-242

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

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