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: 2016-07-26
Published in Rhodora, in 1982, in volume 84, issue 837, pages 143-147
Created: 2014-06-16, modified: 2016-07-26
Published in Journal of The Arnold Arboretum, in 1982, in volume 63, issue 1, pages 63-81
Created: 2017-11-11, modified: 2017-11-11
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: 2016-07-26
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 Phytologia, in 1985, in volume 58, issue 2, pages 105-164
Created: 2017-03-08, modified: 2017-03-08
Published in Biol Bull, in 1963, in volume 125, pages 289-301
Created: 2010-01-06, modified: 2011-06-21
doi:10.2307/1539404
Published in Journal of the Arnold Arboretum, in 1966, in volume 47, pages 137-146
Created: 2011-01-26, modified: 2011-06-21
Published in Rhodora, in 1964, in volume 66, pages 6-15
Created: 2014-06-16, modified: 2016-07-26
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
doi:10.2307/1541882
Published in Moscosoa, in 1989, in volume 5, pages 216-225
Created: 2015-04-21, modified: 2015-04-21
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: 2011-06-21
Published in Journal of The Arnold Arboretum, in 1986, in volume 67, issue 1, pages 65-107
Created: 2016-07-07, modified: 2016-07-07
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: 2016-07-26
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: 2016-07-26
Published in Rhodora, in 2000, in volume 102, issue 910, pages 227-229
Created: 2016-07-19, modified: 2016-07-19
Published in Journal of The Washington Academy of Sciences, in 1958, in volume 48, pages 18-21
Created: 2014-01-30, modified: 2014-01-30
Published in Journal of The Arnold Arboretum, in 1957, in volume 38, issue 1, pages 1-50
Created: 2016-07-07, modified: 2016-07-07
Published in Journal of The Arnold Arboretum, in 1958, in volume 39, issue 2, pages 101-106
Created: 2016-07-07, modified: 2016-07-07
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
doi:10.2307/2395039
Published in Journal of the Arnold Arboretum, in 1941, in volume 22, pages 171-187
Created: 2011-01-26, modified: 2011-06-21
Published in The Auk, in 1903, in volume 20, pages 64
Created: 2013-03-08, modified: 2013-03-08
doi:10.2307/4070103
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 Journal of The Arnold Arboretum, in 1953, in volume 34, issue 1, pages 88-96
Created: 2016-07-07, modified: 2016-07-07
Published in Madroño, in 2001, in volume 48, issue 2, pages 112-115
Created: 2016-02-15, modified: 2016-07-07
Published in Psyche, in 1913, in volume 20, pages 158-161
Created: 2011-01-31, modified: 2021-04-05
Published in Entomological News, in 1907, in volume 18, issue 9, pages 375-378
Created: 2009-12-26, modified: 2021-04-05
Published in Biol Bull, in 2003, in volume 205, pages 319-330
Created: 2010-01-07, modified: 2011-06-21
doi:10.2307/1543295
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 Canadian Entomologist, in 1880, in volume 12, pages 158-159
Created: 2011-06-03, modified: 2017-01-06
Published in Rhodora, in 1959, in volume 61, issue 723, pages 79-81
Created: 2014-06-16, modified: 2016-07-26
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 Madroño, in 1946, in volume 8, issue 6, pages 179-184
Created: 2016-02-15, modified: 2016-07-07
Published in Madroño, in 1957, in volume 14, issue 2, pages 51-53
Created: 2016-02-15, modified: 2016-07-07
Published in Madroño, in 1967, in volume 19, issue 3, pages 74-78
Created: 2016-02-15, modified: 2016-07-07
Published in Madroño, in 1956, in volume 13, issue 8, pages 261-265
Created: 2016-02-15, modified: 2016-07-07