Published in Biol Bull, in 1958, in volume 114, pages 348-356
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Published in Madroño, in 1945, in volume 8, issue 1, pages 27-29
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Published in Asa Gray correspondence. Senders A, in 1889, pages 1
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Published in Madroño, in 1974, in volume 22, issue 8, pages 408-409
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Published in American Fern Journal, in 1922, in volume 12, pages 69-77
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Published in Madroño, in 1969, in volume 20, issue 4, pages 239-240
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Published in Torreya, in 1904, in volume 4, issue 3, pages 38-39
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Published in Annals of the Missouri Botanical Garden, in 1959, in volume 46, pages 195-256
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Published in American Fern Journal, in 1922, in volume 12, pages 101-122
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Published in Madroño, in 1935, in volume 3, issue 3, pages 148
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Published in Journal of the Arnold Arboretum, in 1967, in volume 48, pages 30-55
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Published in Journal of the Arnold Arboretum, in 1967, in volume 48, pages 159-202
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Published in Proceedings of the California Academy of Sciences, in 1926, in volume 15, pages 323-397
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Published in Proceedings of the California Academy of Sciences, in 1943, in volume 25, pages 1-138
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Published in Journal of The Arnold Arboretum, in 1968, in volume 49, issue 1, pages 73-166
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Published in Journal of The Arnold Arboretum, in 1968, in volume 49, issue 2, pages 233-258
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Published in Journal of The Arnold Arboretum, in 1967, in volume 48, issue 3, pages 249-302
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Published in Journal of The Arnold Arboretum, in 1967, in volume 48, issue 4, pages 476-545
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Published in Entomological News Philadelphia, in 1920, in volume 31, pages 155-159
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Published in Entomological News Philadelphia, in 1920, in volume 31, pages 136-137
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Published in Rhodora, in 1946, in volume 48, issue 574, pages 326-327
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Published in Rhodora, in 1956, in volume 58, issue 692, pages 203-207
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Published in Madroño, in 1978, in volume 25, issue 1, pages 60-61
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Published in Memoirs American Entomological Society, in 1919, in volume 3, pages 1-78
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Published in Smithsonian miscellaneous collections, in 1912, in volume 59, issue 6, pages 1-8
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Published in Proceedings of The American Philosophical Society, in 1908, in volume 47, issue 189, pages 385-391
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in 1887, pages 1-2
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in 1859, pages 1-3
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Published in Proceedings of The United States National Museum, in 1894, in volume 17, pages 241-243
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Published in Proceedings of The United States National Museum, in 1896, in volume 19, pages 1-112
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Published in Proceedings of The United States National Museum, in 1887, in volume 9, pages 409-413
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in 1888, pages 1-2
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in 1890, pages 1
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in 1890, pages 1
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in 1890, pages 1-2
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Published in Asa Gray correspondence. Senders Br-Bz, in 1878, pages 1
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Published in Journal of the Linnean Society of London, Zoology, in 1883, in volume 17, issue 101, pages 293-295
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Published in Mycotaxon, in 2009, in volume 107, issue 1, pages 353-356
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Published in Proceedings of The United States National Museum, in 1887, in volume 10, pages 8-9
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Published in Proceedings of The United States National Museum, in 1884, in volume 7, pages 170-172
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Published in Proceedings of The United States National Museum, in 1885, in volume 8, pages 585-586
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Published in Proceedings of The United States National Museum, in 1894, in volume 16, pages 757-758
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Published in Proceedings of The Royal Society of Victoria, in 2005, in volume 117, issue 2, pages 151-173
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Published in Journal of The New York Entomological Society, in 1988, in volume 96, issue 2, pages 245-247
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Published in Proceedings of The United States National Museum, in 1889, in volume 11, pages 467-468
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Published in Proceedings of The United States National Museum, in 1890, in volume 13, pages 197-203
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Published in Journal of The Arnold Arboretum, in 1987, in volume 68, issue 3, pages 335-341
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