Published in Phytologia, in 1988, in volume 65, issue 4, pages 285-289

Created: 2016-05-06, modified: 2016-05-06

Published in Rhodora, in 1968, in volume 70, issue 783, pages 410-418

Created: 2014-06-16, modified: 2023-02-16

Published in Rhodora, in 1982, in volume 84, issue 837, pages 143-147

Created: 2014-06-16, modified: 2023-02-16

Published in Journal of The Arnold Arboretum, in 1982, in volume 63, issue 1, pages 63-81

Created: 2017-11-11, modified: 2025-12-17

Published in Journal of the Arnold Arboretum, in 1949, in volume 30, pages 388-424

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

Published in Phytologia, in 1986, in volume 61, pages 1-4

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

Published in Rhodora, in 1947, in volume 49, issue 587, pages 286-288

Created: 2014-06-16, modified: 2023-02-16

Published in Journal of the Arnold Arboretum, in 1986, in volume 67, pages 233-255

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

Published in Journal of the Arnold Arboretum, in 1957, in volume 38, pages 151-169

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

Published in Biol Bull, in 1963, in volume 125, pages 289-301

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

Published in Rhodora, in 1964, in volume 66, pages 6-15

Created: 2014-06-16, modified: 2023-02-16

Published in Journal of the Arnold Arboretum, in 1966, in volume 47, pages 137-146

Created: 2011-01-26, modified: 2025-12-17

Published in Journal of the Arnold Arboretum, in 1942, in volume 23, pages 479-494,

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

Published in Biol Bull, in 1989, in volume 176, pages 1-7

Created: 2010-01-07, modified: 2011-06-21

Published in Moscosoa, in 1989, in volume 5, pages 216-225

Created: 2015-04-21, modified: 2015-04-21

Published in Phytologia, in 1985, in volume 58, issue 2, pages 105-164

Created: 2017-03-08, modified: 2017-03-08

Published in Journal of The Arnold Arboretum, in 1986, in volume 67, issue 1, pages 65-107

Created: 2016-07-07, modified: 2025-12-17

Published in Journal of the Arnold Arboretum, in 1973, in volume 54, pages 435-470

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

Published in Journal of the Arnold Arboretum, in 1973, in volume 54, pages 377-411

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

Published in Journal of the Arnold Arboretum, in 1985, in volume 66, pages 503-508

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

Published in Journal of the Arnold Arboretum, in 1940, in volume 21, pages 461-489

Created: 2011-01-26, modified: 2025-12-17

Published in Journal of the Arnold Arboretum, in 1953, in volume 34, pages 182-186

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

Published in Rhodora, in 1973, in volume 75, issue 803, pages 411-425

Created: 2014-06-16, modified: 2023-02-16

Published in Journal of the Arnold Arboretum, in 1983, in volume 64, pages 511-546

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

Published in Journal of the Arnold Arboretum, in 1955, in volume 36, pages 209-239

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

Published in Journal of the Arnold Arboretum, in 1981, in volume 62, pages 45-61

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

Published in Journal of the Arnold Arboretum, in 1957, in volume 38, pages 81-106

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

Published in Rhodora, in 1997, in volume 98, issue 896, pages 445-458

Created: 2014-06-16, modified: 2023-02-16

Published in Rhodora, in 2000, in volume 102, issue 910, pages 227-229

Created: 2016-07-19, modified: 2023-02-16

Published in Journal of The Arnold Arboretum, in 1958, in volume 39, issue 2, pages 101-106

Created: 2016-07-07, modified: 2025-12-17

Published in Journal of The Arnold Arboretum, in 1957, in volume 38, issue 1, pages 1-50

Created: 2016-07-07, modified: 2025-12-17

Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 18-21

Created: 2014-01-30, modified: 2025-12-03

Published in Raptor Research, in 1980, in volume 14, issue 2, pages 41-45

Created: 2017-04-08, modified: 2017-04-08

Published in Annals of the Missouri Botanical Garden, in 1974, in volume 61, pages 904-906

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

Published in Journal of the Arnold Arboretum, in 1941, in volume 22, pages 171-187

Created: 2011-01-26, modified: 2025-12-17

Published in The Auk, in 1903, in volume 20, pages 64

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

Published in Journal of the Arnold Arboretum, in 1960, in volume 41, pages 213-258

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

Published in Madroño, in 2001, in volume 48, issue 2, pages 112-115

Created: 2016-02-15, modified: 2023-02-16

Published in Journal of The Arnold Arboretum, in 1953, in volume 34, issue 1, pages 88-96

Created: 2016-07-07, modified: 2025-12-17

Published in Psyche, in 1913, in volume 20, pages 158-161

Created: 2011-01-31, modified: 2021-04-05

Published in Biol Bull, in 2003, in volume 205, pages 319-330

Created: 2010-01-07, modified: 2011-06-21

Published in Entomological News, in 1907, in volume 18, issue 9, pages 375-378

Created: 2009-12-26, modified: 2021-04-05

Published in Journal of the Arnold Arboretum, in 1961, in volume 42, pages 87-95

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

Published in Proceedings of The Entomological Society of Washington, in 1983, in volume 85, pages 624-626

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

Published in Boletin de la Real Sociedad Española de Historia Natural, in 1922, in volume 22, pages 196-200

Created: 2011-06-03, modified: 2011-06-21

Published in Canadian Entomologist, in 1880, in volume 12, pages 158-159

Created: 2011-06-03, modified: 2017-01-06

Published in Western Australian Naturalist, in 1980, in volume 14, issue 8, pages 205-207

Created: 2021-03-28, modified: 2021-03-28

Published in Rhodora, in 1959, in volume 61, issue 723, pages 79-81

Created: 2014-06-16, modified: 2023-02-16

Published in Madroño, in 1946, in volume 8, issue 6, pages 179-184

Created: 2016-02-15, modified: 2023-02-16

Published in Madroño, in 1956, in volume 13, issue 8, pages 261-265

Created: 2016-02-15, modified: 2023-02-16