Published in The Auk, in 1898, in volume 15, pages 1-6

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

Published in Rhodora, in 1938, in volume 40, issue 476, pages 281-323

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

Published in Annals of the Missouri Botanical Garden, in 1914, in volume 1, pages 237-240

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

Published in Annals of the Missouri Botanical Garden, in 1915, in volume 2, pages 459-506

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

Published in The Auk, in 1897, in volume 14, pages 347-357

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

Published in The Auk, in 1898, in volume 15, pages 14-22

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

Published in The Auk, in 1888, in volume 5, pages 139-146

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

Published in Annals of the Missouri Botanical Garden, in 1915, in volume 2, pages 507-572

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Published in Journal of the Arnold Arboretum, in 1943, in volume 24, pages 34-59

Created: 2010-12-31, modified: 2023-02-16

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

Published in Torreya, in 1932, in volume 32, issue 1, pages 18-27

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

Published in The Auk, in 1888, in volume 5, pages 357-366

Created: 2013-03-07, modified: 2013-03-08

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

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

Published in The Wilson Bulletin, in 1960, in volume 72, issue 4, pages 385-391

Created: 2016-12-04, modified: 2016-12-04

Published in Torreya, in 1930, in volume 30, issue 6, pages 165-166

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

Published in The Auk, in 1885, in volume 2, pages 389

Created: 2013-03-07, modified: 2013-03-08

Published in Rhodora, in 1902, in volume 4, issue 39, pages 45-49

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

Published in Torreya, in 1913, in volume 13, issue 6, pages 133-137

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

Published in Journal of the Arnold Arboretum, in 1946, in volume 27, pages 323-325

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

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

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

Published in Rhodora, in 1899, in volume 1, issue 10, pages 185-186

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

Published in Rhodora, in 1946, in volume 48, issue 573, pages 201-205

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

Published in Botanical Gazette, in 1920, in volume 70, issue 1, pages 84-86

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

Published in Madroño, in 1928, in volume 1, issue 10, pages 163-164

Created: 2016-02-15, modified: 2016-07-07

Published in Torreya, in 1926, in volume 26, issue 3, pages 50-54

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

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

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

Published in Novon, in 1999, in volume 9, pages 29-31

Created: 2011-01-28, modified: 2016-02-16

Published in Rhodora, in 1902, in volume 4, issue 43, pages 142-147

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

Published in American Fern Journal, in 1931, in volume 21, pages 74-75

Created: 2017-04-23, modified: 2017-04-23

Published in Torreya, in 1917, in volume 17, issue 1, pages 13-15

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

Published in Torreya, in 1943, in volume 43, issue 1, pages 50-64

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

Published in Ibis, in 1903, in volume 3, issue 3, pages 324-330

Created: 2024-04-02, modified: 2024-04-02