Published in The Wilson Bulletin, in 2004, in volume 116, issue 4, pages 342-346
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Published in The Wilson Bulletin, in 1912, in volume 24, issue 4, pages 197
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Published in Sida, Contributions To Botany, in 2004, in volume 21, issue 1, pages 481-485
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Published in Transactions of The Royal Entomological Society of London, in 1896, in volume 44, pages 55-63
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Published in Psyche: A Journal of Entomology, in 1965, in volume 72, issue 1, pages 1
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Published in The Wilson Bulletin, in 1904, in volume 16, issue 2, pages 57-59
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Published in Pan-Pacific Entomologist, in 1980, in volume 56, issue 3, pages 197-199
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Published in Molluscan Research, in 2001, in volume 21, issue 1, pages 1-15
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Published in American Fern Journal, in 1917, in volume 7, pages 121-125
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Published in Annals of the Missouri Botanical Garden, in 2014, in volume 99, issue 4, pages 620-641
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Published in Madroño, in 1951, in volume 11, issue 1, pages 22-24
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Published in Madroño, in 1973, in volume 22, issue 1, pages 31
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Published in Annals of the Missouri Botanical Garden, in 2011, in volume 98, issue 1, pages 63-89
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in 1890, pages 1
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in 1891, pages 1
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in 1891, pages 1
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Published in Rhodora, in 1941, in volume 43, issue 512, pages 344-348
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Published in Madroño, in 1941, in volume 6, issue 1, pages 13-15
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Published in Torreya, in 1928, in volume 28, issue 3, pages 53-57
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Published in Asa Gray correspondence. Senders Be-Bo, in 1853, pages 1-2
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Published in Asa Gray correspondence. Senders Be-Bo, in 1858, pages 1-2
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Published in Asa Gray correspondence. Senders Be-Bo, in 1868, pages 1
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Published in The Wilson Bulletin, in 2002, in volume 114, issue 2, pages 282
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Published in Victorian Naturalist, in 2010, in volume 127, issue 5, pages 216-217
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Published in Victorian Naturalist, in 2011, in volume 128, issue 6, pages 280
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Published in Zoologica New York, in 1921, in volume 3, pages 137-168
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Published in American Fern Journal, in 1962, in volume 52, pages 132-133
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Published in American Fern Journal, in 1970, in volume 60, pages 119-128
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Published in Palaeontology, in 1971, in volume 14, issue 2, pages 266-293
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Published in Torreya, in 1932, in volume 32, issue 6, pages 147-153
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Published in Journal of The Botanical Research Institute of Texas, in 2007, in volume 1, issue 2, pages 1229-1249
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Published in Journal of The Botanical Research Institute of Texas, in 2008, in volume 2, issue 2, pages 1449-1474
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Published in Journal of The Botanical Research Institute of Texas, in 2010, in volume 4, issue 1, pages 435-465
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Published in Journal of The Botanical Research Institute of Texas, in 2012, in volume 6, issue 2, pages 681-705
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Published in Victorian Naturalist, in 2013, in volume 130, issue 3, pages 145-148
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Published in Phytologia, in 1971, in volume 21, issue 3, pages 165-195
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Published in Rhodora, in 1957, in volume 59, issue 698, pages 43-44
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Published in American Fern Journal, in 1964, in volume 54, pages 71-73
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Published in Botanical Gazette, in 1918, in volume 65, issue 3, pages 201-226
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Published in Psyche: A Journal of Entomology, in 1935, in volume 42, issue 1, pages 68-72
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Published in Palaeontology, in 1972, in volume 15, issue 3, pages 504-518
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Published in Phytologia, in 1971, in volume 22, pages 71-82
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Published in Phytologia, in 1935, in volume 1, pages 145-150
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