Published in Journal of The Arnold Arboretum, in 1979, in volume 60, issue 2, pages 167-218

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

Published in Journal of The Arnold Arboretum, in 1976, in volume 57, issue 3, pages 369-403

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

Published in Annals of the Missouri Botanical Garden, in 1983, in volume 70, pages 658-666

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

Published in The Auk, in 1901, in volume 18, pages 277

Created: 2013-03-08, modified: 2013-03-08

Published in Palaeontology, in 1965, in volume 8, issue 1, pages 113-131

Created: 2016-04-23, modified: 2016-04-23

Published in Palaeontology, in 1962, in volume 5, issue 3, pages 540-549

Created: 2016-04-23, modified: 2016-04-23

Published in Palaeontology, in 1963, in volume 6, issue 1, pages 166-171

Created: 2016-04-23, modified: 2016-04-23

Published in Proceedings of The Biological Society of Washington, in 1900, in volume 13, pages 154-155

Created: 2011-07-31, modified: 2011-07-31

Published in Rhodora, in 1943, in volume 45, issue 534, pages 217-220

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

Published in Proceedings of The Biological Society of Washington, in 1893, in volume 8, pages 1-8

Created: 2011-07-31, modified: 2021-04-05

Published in Rhodora, in 2002, in volume 104, pages 77-82

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

Published in Rhodora, in 1983, in volume 85, pages 421-432

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

Published in Rhodora, in 1944, in volume 46, issue 546, pages 204-205

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

Published in Rhodora, in 1992, in volume 94, issue 880, pages 395

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

Published in Rhodora, in 1992, in volume 94, issue 880, pages 396

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

Published in Botanical Gazette, in 1898, in volume 26, issue 4, pages 270-274

Created: 2017-03-14, modified: 2017-03-14

Published in Botanical Gazette, in 1922, in volume 73, issue 6, pages 505-506

Created: 2017-03-14, modified: 2017-03-14

Published in Torreya, in 1938, in volume 38, issue 4, pages 81-98

Created: 2022-12-14, modified: 2022-12-14

Published in Proceedings of The American Philosophical Society, in 1898, in volume 37, issue 158, pages 312-319

Created: 2017-01-01, modified: 2017-01-01

Published in The Auk, in 1916, in volume 33, pages 376-383

Created: 2013-03-08, modified: 2013-03-08

Published in Rhodora, in 1931, in volume 33, issue 387, pages 79

Created: 2016-07-19, modified: 2016-07-26

Published in Rhodora, in 1933, in volume 35, issue 415, pages 262

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

Published in Proceedings of The Biological Society of Washington, in 1893, in volume 8, pages 113-116

Created: 2011-07-31, modified: 2021-04-05

Published in Proceedings of The Biological Society of Washington, in 1896, in volume 10, pages 109-112

Created: 2011-07-31, modified: 2011-07-31

Published in Proceedings of The Biological Society of Washington, in 1901, in volume 14, pages 97-98

Created: 2011-07-31, modified: 2011-07-31

Published in Proceedings of The Biological Society of Washington, in 1906, in volume 19, pages 61-65

Created: 2011-07-31, modified: 2011-07-31

Published in Proceedings of The Biological Society of Washington, in 1911, in volume 24, pages 53-55

Created: 2011-07-31, modified: 2021-04-05

Published in American Malacological Bulletin, in 1987, in volume 5, issue 2, pages 197-214

Created: 2014-09-21, modified: 2014-09-21

Published in J. Bombay Nat. Hist. Soc, in 1904, in volume 15, pages 729-730

Created: 2023-10-08, modified: 2023-10-08

Published in Proceedings of The Entomological Society of Washington, in 1979, in volume 81, pages 621-629

Created: 2011-06-10, modified: 2011-06-21

Published in The Auk, in 1903, in volume 20, pages 319

Created: 2013-03-08, modified: 2013-03-08

Published in The Auk, in 1917, in volume 34, pages 205-206

Created: 2013-03-08, modified: 2013-03-08

Published in Rhodora, in 1912, in volume 14, issue 164, pages 176

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

Published in Rhodora, in 1931, in volume 33, issue 392, pages 171-172

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

Published in Rhodora, in 1935, in volume 37, issue 444, pages 455

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

Published in Rhodora, in 1931, in volume 33, issue 393, pages 198-199

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

Published in Journal of the Arnold Arboretum, in 1982, in volume 63, pages 411-427

Created: 2011-01-26, modified: 2011-06-21

Published in Proceedings of the Biological Society of Washington, in 1906, in volume 19, pages 83-85

Created: 2010-11-20, modified: 2011-06-21

Published in Proceedings of The Biological Society of Washington, in 1900, in volume 13, pages 57-59

Created: 2011-07-31, modified: 2011-07-31

Published in Proceedings of The Biological Society of Washington, in 1901, in volume 14, pages 33-34

Created: 2011-07-31, modified: 2011-07-31

Published in Proceedings of The Biological Society of Washington, in 1901, in volume 14, pages 41-45

Created: 2011-07-31, modified: 2011-07-31

Published in Proceedings of The Biological Society of Washington, in 1901, in volume 14, pages 95-96

Created: 2011-07-31, modified: 2011-07-31

Published in Proceedings of The Biological Society of Washington, in 1902, in volume 15, pages 51-52

Created: 2011-07-31, modified: 2011-07-31

Published in Proceedings of The Biological Society of Washington, in 1902, in volume 15, pages 173-175

Created: 2011-07-31, modified: 2011-07-31

Published in Proceedings of The Biological Society of Washington, in 1903, in volume 16, pages 145-146

Created: 2011-07-31, modified: 2011-07-31

Published in Proceedings of The Biological Society of Washington, in 1911, in volume 24, pages 3-6

Created: 2011-07-31, modified: 2021-04-05

Published in Proceedings of The Biological Society of Washington, in 1911, in volume 24, pages 241-242

Created: 2011-07-31, modified: 2021-04-05

Published in Proceedings of The Biological Society of Washington, in 1913, in volume 26, pages 113-114

Created: 2011-07-31, modified: 2011-07-31

Published in Proceedings of The Biological Society of Washington, in 1914, in volume 27, pages 211-212

Created: 2011-07-31, modified: 2022-09-19

Published in Proceedings of The Biological Society of Washington, in 1936, in volume 49, pages 145-146

Created: 2011-07-31, modified: 2011-07-31