Published in Annals of the Missouri Botanical Garden, in 1944, in volume 31, pages 373-413

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Published in Annals of the Missouri Botanical Garden, in 1939, in volume 26, pages 325-348

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Published in Madroño, in 1950, in volume 10, issue 8, pages 250-251

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Published in Annals of the Missouri Botanical Garden, in 1937, in volume 24, pages 161-174

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Published in Rhodora, in 1953, in volume 55, issue 651, pages 61-62

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in 1888, pages 1-2

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Published in Rhodora, in 1954, in volume 56, issue 661, pages 7-21

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Published in Madroño, in 1948, in volume 9, issue 8, pages 233-238

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Published in Entomological News, in 1980, in volume 91, pages 63-64

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Published in Botanical Gazette, in 1918, in volume 65, issue 1, pages 103-108

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Published in Madroño, in 1945, in volume 8, issue 3, pages 103-104

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Published in Bulletin of the Torrey Botanical Club, in 1877, in volume 6, pages 135

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Published in Madroño, in 1951, in volume 11, issue 1, pages 22-24

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Published in Phytologia, in 1981, in volume 50, pages 317-326.

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Published in Annals of the Missouri Botanical Garden, in 1940, in volume 27, pages 371-560

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Published in Rhodora, in 1945, in volume 47, issue 555, pages 65-68

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Published in Rhodora, in 1952, in volume 54, issue 638, pages 29-35

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Published in Torreya, in 1928, in volume 28, issue 3, pages 53-57

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Published in Mycologia, in 1913, in volume 5, issue 2, pages 67-71

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Published in Botanical Gazette, in 1879, in volume 4, issue 9, pages 208-209

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Published in Madroño, in 1941, in volume 6, issue 1, pages 13-15

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Published in Madroño, in 1973, in volume 22, issue 1, pages 10-24

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Published in American Fern Journal, in 1985, in volume 75, pages 71

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Published in Sida, Contributions To Botany, in 2003, in volume 20, issue 4, pages 1662

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Published in Rhodora, in 1934, in volume 36, issue 430, pages 376

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Published in Sida, Contributions To Botany, in 2003, in volume 20, issue 3, pages 944

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Published in Sida, Contributions To Botany, in 2003, in volume 20, issue 3, pages 952

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Published in Torreya, in 1932, in volume 32, issue 6, pages 147-153

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Published in Mycotaxon, in 1985, in volume 22, issue 2, pages 265-268

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Published in Botanical Gazette, in 1881, in volume 6, issue 10, pages 274-279

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Published in Annals of the Missouri Botanical Garden, in 1947, in volume 34, pages 187-259

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Published in Rhodora, in 1984, in volume 86, issue 846, pages 151-231

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Published in Madroño, in 1977, in volume 24, issue 1, pages 24-29

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Published in Madroño, in 1939, in volume 5, issue 2, pages 75-77

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Published in Psyche: A Journal of Entomology, in 1976, in volume 83, issue 1, pages 79-93

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Published in Torreya, in 1917, in volume 17, issue 11, pages 202-206

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Published in Rhodora, in 1899, in volume 1, issue 10, pages 186-187

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Published in Journal of Mycology, in 1908, in volume 14, issue 1, pages 1-3

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Published in American Fern Journal, in 1999, in volume 89, pages 215-216

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Published in Rhodora, in 1959, in volume 61, issue 723, pages 70-72

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Published in Rhodora, in 1963, in volume 65, issue 764, pages 339-354

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Published in Rhodora, in 1940, in volume 42, issue 495, pages 57-83

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Published in Rhodora, in 1940, in volume 42, issue 498, pages 203-213

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Published in Sida, Contributions To Botany, in 2003, in volume 20, issue 4, pages 1362

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Published in American Fern Journal, in 1917, in volume 7, pages 63-66

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Published in Sida, Contributions To Botany, in 2001, in volume 19, issue 4, pages 898

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Published in Sida, Contributions To Botany, in 2003, in volume 20, issue 3, pages 1042

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Published in Sida, Contributions To Botany, in 2004, in volume 21, issue 2, pages 552

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Published in Sida, Contributions To Botany, in 2006, in volume 22, issue 1, pages 196

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Published in Palaeontology, in 1980, in volume 23, issue 3, pages 657-666

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