Published in Botanical Gazette, in 1892, in volume 17, issue 11, pages 363-380
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Published in Botanical Gazette, in 1894, in volume 19, issue 11, pages 429-444
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Published in Botanical Gazette, in 1896, in volume 22, issue 6, pages 473-487
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Published in Botanical Gazette, in 1898, in volume 26, issue 4, pages 247-252
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Published in Botanical Gazette, in 1898, in volume 26, issue 4, pages 253-258
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Published in Botanical Gazette, in 1893, in volume 18, issue 11, pages 420-427
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Published in Meeresfauna von Bergen, in 1901, in volume 1, pages 67-72
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Published in The Auk, in 1901, in volume 18, pages 210-211
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Published in Botanical Gazette, in 1918, in volume 66, issue 5, pages 455-458
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Published in Rhodora, in 1915, in volume 17, issue 203, pages 224-227
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Published in Torreya, in 1908, in volume 8, issue 9, pages 223-231
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Published in The Auk, in 1902, in volume 19, pages 382-385
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Published in Botanical Gazette, in 1909, in volume 48, issue 4, pages 275-282
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Published in Botanical Gazette, in 1915, in volume 60, issue 6, pages 491-492
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Published in Annals And Magazine of Natural History, in 1890, in volume 5, pages 117-119
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Published in Annals And Magazine of Natural History, in 1888, in volume 1, pages 228-229
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Published in The Beagle, in 1999, in volume 15, pages 131-141
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Published in Bulletin du Muséum national d'histoire naturelle, in 1908, in volume 14, issue 7, pages 380-383
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Published in Tijdschrift Voor Entomologie, in 1898, in volume 40, pages 29-61
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Published in Rhodora, in 1971, in volume 73, issue 793, pages 72-159
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Published in Rhodora, in 1971, in volume 73, issue 794, pages 161-237
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Published in Rhodora, in 1971, in volume 73, issue 795, pages 370-443
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Published in Rhodora, in 1971, in volume 73, issue 796, pages 465-540
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Published in Proceedings of The American Philosophical Society, in 1885, in volume 22, issue 120, pages 227-240
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Published in Madroño, in 1964, in volume 17, issue 5, pages 145-152
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Published in Tijdschrift Voor Entomologie, in 1948, in volume 89, pages 1-9
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Published in Palaeontology, in 1963, in volume 6, issue 3, pages 397-407
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Published in Biol Bull, in 1912, in volume 22, pages 205-218
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Published in Moscosoa, in 1989, in volume 5, pages 276-291
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in 1859, pages 1-3
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Published in Nautilis, in 1912, in volume 26, pages 83-84
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Published in Proceedings of The American Philosophical Society, in 1863, in volume 9, issue 70, pages 443-449
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Published in Breviora, in 1983, in volume 473, pages 1-35
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Published in Novon, in 1998, in volume 8, pages 204-206
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Published in Rhodora, in 1970, in volume 72, issue 792, pages 548-550
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Published in The Auk, in 1888, in volume 5, pages 204-205
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Published in Madroño, in 1938, in volume 4, issue 7, pages 239-240
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Published in Phytologia, in 1972, in volume 23, issue 3, pages 304
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Published in Botanical Gazette, in 1892, in volume 17, issue 3, pages 78-81
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Published in Torreya, in 1904, in volume 4, issue 4, pages 58-59
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Published in Great Basin Naturalist, in 1973, in volume 33, pages 221-224
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Published in Phytologia, in 1986, in volume 59, issue 6, pages 383-388
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Published in Rhodora, in 1996, in volume 98, issue 893, pages 99-102
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Published in Rhodora, in 1969, in volume 71, issue 788, pages 565
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Published in Nautilis, in 1931, in volume 44, pages 115-119
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Published in Scopus, in 1978, in volume 2, pages 1-7
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Published in Phytologia, in 1971, in volume 22, issue 1, pages 56
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