Published in Biol Bull, in 1953, in volume 104, pages 426-438
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/46547712,60,60)
Published in Phytoneuron, in 2014, in volume 2014-101, pages 1-6
Created: 2016-04-29, modified: 2016-04-29![](https://www.biodiversitylibrary.org/pagethumb/1515685,60,60)
Published in Biol Bull, in 1985, in volume 169, pages 246-255
Created: 2010-01-07, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/1503733,60,60)
Published in Biol Bull, in 1986, in volume 171, pages 264-273
Created: 2010-01-07, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/8116814,60,60)
Published in The Great Basin Naturalist, in 1996, in volume 56, issue 3, pages 272-275
Created: 2017-11-16, modified: 2017-11-16![](https://www.biodiversitylibrary.org/pagethumb/8101212,60,60)
Published in Journal of The Arnold Arboretum, in 1921, in volume 2, issue 4, pages 236-239
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8103369,60,60)
Published in Journal of The Arnold Arboretum, in 1937, in volume 18, issue 2, pages 183-184
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8103450,60,60)
Published in Journal of The Arnold Arboretum, in 1937, in volume 18, issue 3, pages 258-260
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8101157,60,60)
Published in Journal of The Arnold Arboretum, in 1921, in volume 2, issue 3, pages 181-184
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8116789,60,60)
Published in The Great Basin Naturalist, in 1996, in volume 56, issue 3, pages 247-253
Created: 2017-11-16, modified: 2017-11-16![](https://www.biodiversitylibrary.org/pagethumb/1531975,60,60)
Published in Biol Bull, in 1974, in volume 146, pages 176-185
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/8369838,60,60)
Published in Journal of The Arnold Arboretum, in 1939, in volume 20, issue 2, pages 234-240
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/9261125,60,60)
Published in Journal of The Arnold Arboretum, in 1949, in volume 30, issue 2, pages 139-165
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/29149922,60,60)
Published in Journal of The Arnold Arboretum, in 1967, in volume 48, issue 1, pages 89-100
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8368597,60,60)
Published in Journal of The Arnold Arboretum, in 1930, in volume 11, issue 2, pages 131-133
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/10955245,60,60)
Published in Journal of the Arnold Arboretum, in 1973, in volume 54, pages 471-473
Created: 2011-01-26, modified: 2023-02-16![](https://www.biodiversitylibrary.org/pagethumb/1566430,60,60)
Published in Biol Bull, in 1962, in volume 123, pages 53-57
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/8370165,60,60)
Published in Journal of the Arnold Arboretum, in 1940, in volume 21, pages 67-75
Created: 2011-01-26, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/8103179,60,60)
Published in Journal of The Arnold Arboretum, in 1937, in volume 18, issue 1, pages 1-25
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8369845,60,60)
Published in Journal of The Arnold Arboretum, in 1939, in volume 20, issue 2, pages 241-244
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8440313,60,60)
Published in Journal of The Arnold Arboretum, in 1941, in volume 22, issue 1, pages 110-124
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8371987,60,60)
Published in Journal of The Arnold Arboretum, in 1943, in volume 24, issue 1, pages 90-98
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8443624,60,60)
Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 2, pages 212-213
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/10899169,60,60)
Published in Journal of The Arnold Arboretum, in 1975, in volume 56, issue 1, pages 126-163
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8440354,60,60)
Published in Journal of The Arnold Arboretum, in 1941, in volume 22, issue 2, pages 145-170
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8368793,60,60)
Published in Journal of the Arnold Arboretum, in 1931, in volume 12, pages 49-59
Created: 2011-01-26, modified: 2023-02-16![](https://www.biodiversitylibrary.org/pagethumb/8443245,60,60)
Published in Journal of the Arnold Arboretum, in 1946, in volume 27, pages 386-394
Created: 2011-01-26, modified: 2023-02-16![](https://www.biodiversitylibrary.org/pagethumb/11161881,60,60)
Published in Journal of the Arnold Arboretum, in 1971, in volume 52, pages 523-585
Created: 2011-01-26, modified: 2023-02-16![](https://www.biodiversitylibrary.org/pagethumb/42413562,60,60)
Published in Veliger, in 1972, in volume 14, pages 361-364
Created: 2013-08-04, modified: 2013-08-04![](https://www.biodiversitylibrary.org/pagethumb/8105704,60,60)
Published in Journal of The Arnold Arboretum, in 1934, in volume 15, issue 3, pages 255-258
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8441234,60,60)
Published in Journal of The Arnold Arboretum, in 1947, in volume 28, issue 4, pages 375-409
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8105372,60,60)
Published in Journal of The Arnold Arboretum, in 1935, in volume 16, issue 4, pages 440-447
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/1487629,60,60)
Published in Biol Bull, in 1980, in volume 159, pages 102-116
Created: 2010-01-06, modified: 2011-06-21![](https://www.biodiversitylibrary.org/pagethumb/58270668,60,60)
Published in Banisteria, in 2016, in volume 47, pages 18-31
Created: 2020-06-14, modified: 2020-06-14![](https://www.biodiversitylibrary.org/pagethumb/8102881,60,60)
Published in Journal of The Arnold Arboretum, in 1938, in volume 19, issue 3, pages 191-247
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8370265,60,60)
Published in Journal of The Arnold Arboretum, in 1940, in volume 21, issue 2, pages 163-200
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8370635,60,60)
Published in Journal of The Arnold Arboretum, in 1940, in volume 21, issue 4, pages 511-527
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8440235,60,60)
Published in Journal of The Arnold Arboretum, in 1941, in volume 22, issue 1, pages 32-59
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8440600,60,60)
Published in Journal of The Arnold Arboretum, in 1941, in volume 22, issue 3, pages 375-388
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8373739,60,60)
Published in Journal of The Arnold Arboretum, in 1942, in volume 23, issue 4, pages 383-416
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8372112,60,60)
Published in Journal of The Arnold Arboretum, in 1943, in volume 24, issue 2, pages 207-217
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8372341,60,60)
Published in Journal of The Arnold Arboretum, in 1943, in volume 24, issue 4, pages 422-439
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8107028,60,60)
Published in Journal of The Arnold Arboretum, in 1944, in volume 25, issue 2, pages 183-205
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8443398,60,60)
Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 1, pages 1-36
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8443641,60,60)
Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 3, pages 229-266
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8443034,60,60)
Published in Journal of The Arnold Arboretum, in 1946, in volume 27, issue 2, pages 193-233
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/9261025,60,60)
Published in Journal of The Arnold Arboretum, in 1949, in volume 30, issue 1, pages 39-63
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/9181046,60,60)
Published in Journal of The Arnold Arboretum, in 1963, in volume 44, issue 2, pages 165-192
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/10415907,60,60)
Published in Journal of The Arnold Arboretum, in 1965, in volume 46, issue 1, pages 86-89
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8440471,60,60)
Published in Journal of The Arnold Arboretum, in 1941, in volume 22, issue 2, pages 253-270
Created: 2016-07-07, modified: 2016-07-07