Published in Occasional papers on mollusks, in 1945, in volume 1, issue 4, pages 29-32

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Published in Rhodora, in 1903, in volume 5, issue 51, pages 82-83

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Published in Rhodora, in 1907, in volume 9, issue 106, pages 207-208

Created: 2016-07-19, modified: 2016-07-19

Published in Annals of the Missouri Botanical Garden, in 1946, in volume 33, pages 249-289

Created: 2010-01-08, modified: 2015-12-16

Published in Journal of The New York Entomological Society, in 1935, in volume 43, issue 3, pages 283-297

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Published in Sida, Contributions To Botany, in 1969, in volume 3, issue 6, pages 447

Created: 2015-12-02, modified: 2015-12-02

Published in Journal of The Arnold Arboretum, in 1936, in volume 17, issue 3, pages 115-152

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Published in Phytologia, in 1935, in volume 1, issue 3, pages 113-126

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Published in Rhodora, in 1972, in volume 74, issue 797, pages 124-126

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Published in Annals of the Missouri Botanical Garden, in 1939, in volume 26, pages 349-372

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Published in Journal of Research on the Lepidoptera, in 1964, in volume 3, issue 4, pages 197-206

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Published in PHYTOLOGIA, in 1967, in volume 14, issue 8, pages 492-506

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Published in Phytologia, in 1937, in volume 1, issue 6, pages 209-212

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Published in Sargentia, in 1947, in volume 7, pages 1-224

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Published in Torreya, in 1931, in volume 31, issue 2, pages 42-44

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Published in Phytologia, in 1979, in volume 44, pages 233-256

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Published in Entomological News, in 1936, in volume 47, pages 210-213

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Published in Rhodora, in 1915, in volume 17, issue 195, pages 57-59

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Published in Entomologist's Record and Journal of Variation, in 1978, in volume 90, issue 7-8, pages 218-219

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Published in Phytologia, in 1984, in volume 54, pages 465-473

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Published in Phytologia, in 1984, in volume 56, pages 16

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Published in Phytologia, in 1987, in volume 64, issue 1, pages 77

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Published in Phytologia, in 1983, in volume 52, issue 7, pages 441-451

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Published in Phytologia, in 1984, in volume 55, issue 2, pages 112

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Published in Phytologia, in 1983, in volume 53, pages 297-301

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Published in Ibis, in 1868, in volume 4, issue 4, pages 428-460

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Published in Nautilis, in 1938, in volume 51, pages 119-122

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Published in Zoologica, in 1936, in volume 21, issue 18, pages 219-224

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Published in Botanical Gazette, in 1886, in volume 11, issue 6, pages 129-134

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Published in Rhodora, in 1964, in volume 66, issue 768, pages 313-343

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Published in Madroño, in 1938, in volume 4, issue 7, pages 236-237

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Published in Rhodora, in 1966, in volume 68, issue 774, pages 167

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Published in Phytologia, in 1933, in volume 1, pages 20-22

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Published in Journal of the Arnold Arboretum, in 1945, in volume 26, pages 48-60

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Published in Botanical Museum Leaflets, Harvard University, in 1949, in volume 13, pages 213-247

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Published in Entomological News, in 1938, in volume 49, pages 65-69

Created: 2011-06-03, modified: 2021-04-05

Published in Veliger, in 1977, in volume 19, pages 331-340

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Published in Journal of The Arnold Arboretum, in 1941, in volume 22, issue 1, pages 60-80

Created: 2016-07-07, modified: 2016-07-07

Published in Journal of The Arnold Arboretum, in 1941, in volume 22, issue 3, pages 343-374

Created: 2016-07-07, modified: 2016-07-07

Published in Journal of The Arnold Arboretum, in 1942, in volume 23, issue 4, pages 417-443

Created: 2016-07-07, modified: 2016-07-07

Published in Journal of The Arnold Arboretum, in 1946, in volume 27, issue 2, pages 175-185

Created: 2016-07-07, modified: 2016-07-07

Published in Journal of The Arnold Arboretum, in 1949, in volume 30, issue 1, pages 1-9

Created: 2016-07-07, modified: 2016-07-07

Published in Journal of The Arnold Arboretum, in 1941, in volume 22, issue 2, pages 231-252

Created: 2016-07-07, modified: 2016-07-07

Published in Journal of The Arnold Arboretum, in 1941, in volume 22, issue 4, pages 497-528

Created: 2016-07-07, modified: 2016-07-07

Published in Rhodora, in 1899, in volume 1, issue 6, pages 97-98

Created: 2016-07-19, modified: 2016-07-19

Published in Journal of the Arnold Arboretum, in 1943, in volume 24, pages 1-33

Created: 2011-01-26, modified: 2023-02-16

Published in Biol Bull, in 1935, in volume 68, pages 131-139

Created: 2010-01-06, modified: 2011-06-21

Published in Novon, in 1992, in volume 2, pages 426-432

Created: 2011-01-28, modified: 2016-02-16

Published in Annals And Magazine of Natural History, in 1887, in volume 19, pages 465-466

Created: 2011-09-29, modified: 2011-09-29

Published in Rhodora, in 1954, in volume 56, issue 671, pages 242-252

Created: 2014-06-16, modified: 2016-07-26