Published in Botanical Gazette, in 1886, in volume 11, issue 3, pages 64

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Published in Phytoneuron, in 2015, in volume 2015-50, pages 1-58

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in 1887, pages 1-8

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in 1884, pages 1-3

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in 1885, pages 1-2

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in 1885, pages 1-2

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in 1887, pages 1-2

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in 1887, pages 1-2

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in 1891, pages 1-2

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Published in Madroño, in 1984, in volume 31, issue 2, pages 123-127

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Published in Tijdschrift Voor Entomologie, in 1972, in volume 115, pages 123-139

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Published in Phytoneuron, in 2015, in volume 2015-12, pages 1-274

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Published in Breviora, in 1965, in volume 231, pages 1-18

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Published in Entomologist's Record and Journal of Variation, in 1982, in volume 94, issue 11-12, pages 216

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Published in Madroño, in 1995, in volume 42, issue 2, pages 189-196

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Published in Breviora, in 1963, in volume 195, pages 1-8

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Published in Entomologist's Record and Journal of Variation, in 1984, in volume 96, issue 3-4, pages 75

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Published in Records of The Indian Museum, in 1911, in volume 6, pages 179-191

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Published in Asa Gray correspondence. Senders K, 1842-1891 (inclusive), in 1887, pages 1

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Published in Novon, in 1993, in volume 3, pages 437-441

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Published in Annals And Magazine of Natural History, in 1899, in volume 3, pages 350

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Published in Annals And Magazine of Natural History, in 1880, in volume 6, pages 328

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Published in Quart J Fla Acad Sci, in 1967, in volume 29, pages 179-190

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Published in Quart J Florida Acad Sci, in 1965, in volume 28, pages 195-196

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Published in Madroño, in 1944, in volume 7, issue 6, pages 181-184

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Published in Annals of the Missouri Botanical Garden, in 1987, in volume 74, pages 871-888

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Published in Phytologia, in 1986, in volume 61, issue 3, pages 142

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Published in Entomologist's Record and Journal of Variation, in 1981, in volume 92, issue 11-12, pages 279

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Published in Annals And Magazine of Natural History, in 1883, in volume 11, issue 63, pages 203-207

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Published in American Fern Journal, in 1964, in volume 54, pages 149-150

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Published in Madroño, in 2007, in volume 54, pages 102-104

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Published in American Fern Journal, in 1974, in volume 64, pages 117-118

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Published in Annals of the South African Museum, in 1908, in volume 6, pages 1-96

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Published in Annals And Magazine of Natural History, in 1900, in volume 5, issue 25, pages 1-16

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Published in Annals and Magazine of Natural History, in 1899, in volume 4, pages 205-211

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Published in Annals And Magazine of Natural History, in 1894, in volume 13, pages 443-446

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Published in Proceedings of The United States National Museum, in 1903, in volume 26, issue 1341, pages 925-931

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Published in Annals And Magazine of Natural History, in 1875, in volume 15, pages 74-78

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Published in Proc. Biol. Soc. Washington, in 1966, in volume 79, pages 255-265

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Published in Phytologia, in 1989, in volume 65, issue 6, pages 437-450

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Published in Phytologia, in 1985, in volume 57, issue 5, pages 374

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Published in Madroño, in 1980, in volume 27, issue 1, pages 47-48

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Published in Annals And Magazine of Natural History, in 1897, in volume 19, pages 470-472

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Published in Proceedings of The United States National Museum, in 1906, in volume 31, pages 501-504

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Published in Annals And Magazine of Natural History, in 1896, in volume 17, pages 49-53

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Published in Annals And Magazine of Natural History, in 1896, in volume 17, pages 156-160

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Published in Gulf Research Reports, in 1996, in volume 9, issue 3, pages 183-188

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Published in Breviora, in 1966, in volume 249, pages 1-23

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Published in Adansonia, in 1967, in volume 7, issue 2, pages 249-253

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Published in Phytologia, in 1985, in volume 57, issue 5, pages 366

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