Published in The Auk, in 1898, in volume 15, pages 1-6
Created: 2013-03-08, modified: 2013-03-08![](https://www.biodiversitylibrary.org/pagethumb/606176,60,60)
Published in Rhodora, in 1938, in volume 40, issue 476, pages 281-323
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/15987947,60,60)
Published in Annals of the Missouri Botanical Garden, in 1914, in volume 1, pages 237-240
Created: 2010-01-08, modified: 2015-12-16![](https://www.biodiversitylibrary.org/pagethumb/15989968,60,60)
Published in Annals of the Missouri Botanical Garden, in 1915, in volume 2, pages 459-506
Created: 2010-01-08, modified: 2015-12-16![](https://www.biodiversitylibrary.org/pagethumb/27446928,60,60)
Published in The Auk, in 1897, in volume 14, pages 347-357
Created: 2013-03-08, modified: 2013-03-08![](https://www.biodiversitylibrary.org/pagethumb/27447201,60,60)
Published in The Auk, in 1898, in volume 15, pages 14-22
Created: 2013-03-08, modified: 2013-03-08![](https://www.biodiversitylibrary.org/pagethumb/16315485,60,60)
Published in The Auk, in 1888, in volume 5, pages 139-146
Created: 2013-03-08, modified: 2013-03-08![](https://www.biodiversitylibrary.org/pagethumb/15990016,60,60)
Published in Annals of the Missouri Botanical Garden, in 1915, in volume 2, pages 507-572
Created: 2010-01-08, modified: 2015-12-16![](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/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![](https://www.biodiversitylibrary.org/pagethumb/8440758,60,60)
Published in Journal of The Arnold Arboretum, in 1941, in volume 22, issue 4, pages 529-542
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8371931,60,60)
Published in Journal of the Arnold Arboretum, in 1943, in volume 24, pages 34-59
Created: 2010-12-31, modified: 2023-02-16![](https://www.biodiversitylibrary.org/pagethumb/32129872,60,60)
Published in Torreya, in 1932, in volume 32, issue 1, pages 18-27
Created: 2022-12-14, modified: 2022-12-14![](https://www.biodiversitylibrary.org/pagethumb/8371524,60,60)
Published in Journal of The Arnold Arboretum, in 1951, in volume 32, issue 1, pages 73-78
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/16315705,60,60)
Published in The Auk, in 1888, in volume 5, pages 357-366
Created: 2013-03-07, modified: 2013-03-08![](https://www.biodiversitylibrary.org/pagethumb/8369700,60,60)
Published in Journal of The Arnold Arboretum, in 1939, in volume 20, issue 1, pages 102-103
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8373617,60,60)
Published in Journal of The Arnold Arboretum, in 1942, in volume 23, issue 3, pages 267-297
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/52207936,60,60)
Published in The Wilson Bulletin, in 1960, in volume 72, issue 4, pages 385-391
Created: 2016-12-04, modified: 2016-12-04![](https://www.biodiversitylibrary.org/pagethumb/32138823,60,60)
Published in Torreya, in 1930, in volume 30, issue 6, pages 165-166
Created: 2022-12-14, modified: 2022-12-14![](https://www.biodiversitylibrary.org/pagethumb/15931882,60,60)
Published in The Auk, in 1885, in volume 2, pages 389
Created: 2013-03-07, modified: 2013-03-08![](https://www.biodiversitylibrary.org/pagethumb/561737,60,60)
Published in Rhodora, in 1902, in volume 4, issue 39, pages 45-49
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/32136681,60,60)
Published in Torreya, in 1913, in volume 13, issue 6, pages 133-137
Created: 2022-12-14, modified: 2022-12-14![](https://www.biodiversitylibrary.org/pagethumb/8443179,60,60)
Published in Journal of the Arnold Arboretum, in 1946, in volume 27, pages 323-325
Created: 2011-01-26, modified: 2023-02-16![](https://www.biodiversitylibrary.org/pagethumb/8102783,60,60)
Published in Journal of The Arnold Arboretum, in 1938, in volume 19, issue 2, pages 99-116
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8440772,60,60)
Published in Journal of The Arnold Arboretum, in 1941, in volume 22, issue 4, pages 543-555
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/564162,60,60)
Published in Rhodora, in 1899, in volume 1, issue 10, pages 185-186
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/616596,60,60)
Published in Rhodora, in 1946, in volume 48, issue 573, pages 201-205
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/35299089,60,60)
Published in Botanical Gazette, in 1920, in volume 70, issue 1, pages 84-86
Created: 2017-03-14, modified: 2017-03-14![](https://www.biodiversitylibrary.org/pagethumb/47992974,60,60)
Published in Madroño, in 1928, in volume 1, issue 10, pages 163-164
Created: 2016-02-15, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/32133912,60,60)
Published in Torreya, in 1926, in volume 26, issue 3, pages 50-54
Created: 2022-12-14, modified: 2022-12-14![](https://www.biodiversitylibrary.org/pagethumb/8369741,60,60)
Published in Journal of The Arnold Arboretum, in 1939, in volume 20, issue 2, pages 139-186
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/8441188,60,60)
Published in Journal of The Arnold Arboretum, in 1947, in volume 28, issue 3, pages 331-332
Created: 2016-07-07, modified: 2016-07-07![](https://www.biodiversitylibrary.org/pagethumb/640760,60,60)
Published in Novon, in 1999, in volume 9, pages 29-31
Created: 2011-01-28, modified: 2016-02-16![](https://www.biodiversitylibrary.org/pagethumb/561838,60,60)
Published in Rhodora, in 1902, in volume 4, issue 43, pages 142-147
Created: 2016-07-19, modified: 2016-07-19![](https://www.biodiversitylibrary.org/pagethumb/32224074,60,60)
Published in American Fern Journal, in 1931, in volume 21, pages 74-75
Created: 2017-04-23, modified: 2017-04-23![](https://www.biodiversitylibrary.org/pagethumb/32130309,60,60)
Published in Torreya, in 1917, in volume 17, issue 1, pages 13-15
Created: 2022-12-14, modified: 2022-12-14![](https://www.biodiversitylibrary.org/pagethumb/32085690,60,60)
Published in Torreya, in 1943, in volume 43, issue 1, pages 50-64
Created: 2022-12-12, modified: 2022-12-12![](https://www.biodiversitylibrary.org/pagethumb/16177659,60,60)
Published in Ibis, in 1903, in volume 3, issue 3, pages 324-330
Created: 2024-04-02, modified: 2024-04-02