Published in Journal of The Arnold Arboretum, in 1930, in volume 11, issue 4, pages 233-244

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

Published in Journal of The Arnold Arboretum, in 1931, in volume 12, issue 4, pages 296-308

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

Published in Bothalia, in 1983, in volume 14, issue 3/4, pages 587-594

Created: 2026-04-05, modified: 2026-04-05

Published in Journal of The Arnold Arboretum, in 1933, in volume 14, issue 4, pages 408-419

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

Published in Journal of The Arnold Arboretum, in 1935, in volume 16, issue 4, pages 455-464

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

Published in Journal of The Arnold Arboretum, in 1934, in volume 15, issue 4, pages 366-376

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

Published in Journal of the Arnold Arboretum, in 1976, in volume 57, pages 185-204

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

Published in Bothalia, in 1982, in volume 14, issue 1, pages 15-26

Created: 2026-04-05, modified: 2026-04-05

Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Journal of The Arnold Arboretum, in 1932, in volume 13, issue 4, pages 447-463

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

Published in Journal of the Arnold Arboretum, in 1974, in volume 55, pages 441-452

Created: 2011-01-27, modified: 2025-12-17

Published in Bothalia, in 1983, in volume 14, issue 3/4, pages 595-601

Created: 2026-04-05, modified: 2026-04-05

Published in Nautilis, in 1927, in volume 40, pages 109-111

Created: 2013-09-28, modified: 2013-09-28

Published in Journal of the Arnold Arboretum, in 1973, in volume 54, pages 94-104

Created: 2011-01-26, modified: 2012-02-12

Published in Journal of the Arnold Arboretum, in 1983, in volume 64, pages 129-160

Created: 2011-01-26, modified: 2011-12-23

Published in Journal of The Arnold Arboretum, in 1962, in volume 43, issue 2, pages 218-219

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

Published in Journal of The Arnold Arboretum, in 1930, in volume 11, issue 2, pages 131-133

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

Published in Journal of the Arnold Arboretum, in 1944, in volume 25, pages 437-450

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

Published in Journal of The Arnold Arboretum, in 1931, in volume 12, issue 1, pages 23-25

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

Published in Journal of The Arnold Arboretum, in 1930, in volume 11, issue 1, pages 48-50

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

Published in Journal of The Arnold Arboretum, in 1928, in volume 9, issue 2/3, pages 131-137

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

Published in Journal of The Arnold Arboretum, in 1945, in volume 26, issue 2, pages 168

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

Published in Journal of The Arnold Arboretum, in 1964, in volume 45, issue 3, pages 358-373

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

Published in Journal of The Arnold Arboretum, in 1932, in volume 13, issue 3, pages 333-336

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

Published in Journal of The Arnold Arboretum, in 1930, in volume 11, issue 4, pages 224-228

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

Published in Journal of The Arnold Arboretum, in 1931, in volume 12, issue 3, pages 151-156

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

Published in Hedwigia, in 1902, in volume 41, pages 72-79

Created: 2025-11-04, modified: 2025-11-04

Published in Journal of The Arnold Arboretum, in 1942, in volume 23, issue 1, pages 79-92

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

Published in Journal of The Arnold Arboretum, in 1947, in volume 28, issue 1, pages 141-143

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

Published in Journal of the Arnold Arboretum, in 1966, in volume 47, pages 266-269

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

Published in Journal of The Arnold Arboretum, in 1926, in volume 7, issue 2, pages 71-74

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

Published in Journal of The Arnold Arboretum, in 1946, in volume 27, issue 4, pages 423-437

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

Published in Journal of the Arnold Arboretum, in 1976, in volume 57, pages 91-112

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

Published in Journal of the Arnold Arboretum, in 1933, in volume 14

Created: 2011-01-26, modified: 2017-01-06

Published in Journal of the Arnold Arboretum, in 1984, in volume 65, pages 533-562

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

Published in Journal of The Arnold Arboretum, in 1962, in volume 43, issue 1, pages 108

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

Published in Journal of The Arnold Arboretum, in 1968, in volume 49, issue 2, pages 280-289

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

Published in Journal of The Arnold Arboretum, in 1976, in volume 57, issue 3, pages 217-218

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

Published in Veliger, in 1972, in volume 14, pages 361-364

Created: 2013-08-04, modified: 2013-08-04

Published in Journal of the Arnold Arboretum, in 1979, in volume 60, pages 515-522

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

Published in Journal of the Arnold Arboretum, in 1971, in volume 52, pages 614-648

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

Published in Annals And Magazine of Natural History, in 1894, in volume 14, pages 43-44

Created: 2011-09-23, modified: 2011-09-23

Published in Journal of The Arnold Arboretum, in 1949, in volume 30, issue 4, pages 443-449

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