Authors: Tracy L Simpson

Published in Postilla, in 1966, in volume 103, pages 1-7

Created: 2013-03-01, modified: 2013-03-01

Authors: Tracy L Simpson

Published in Bulletin of The Peabody Museum of Natural History, in 1968, in volume 25, pages 1-125

Created: 2026-06-30, modified: 2026-06-30

Authors: F Tracy Hubbard

Published in Rhodora, in 1915, in volume 17, issue 197, pages 97

Created: 2016-07-19, modified: 2023-02-16

Authors: Tracy L Fuentes

Published in Madroño, in 2007, in volume 54, issue 2, pages 164-166

Created: 2016-02-15, modified: 2023-02-16

Authors:

Published in Madroño, in 1954, in volume 12, issue 6, pages 190-192

Created: 2016-02-15, modified: 2023-02-16

Authors: Stephan L Hatch | S M Tracy Herbarium

Published in Sida, Contributions To Botany, in 1984, in volume 10, issue 4, pages 321

Created: 2015-12-02, modified: 2015-12-02

Authors: Stephan L Hatch | S M Tracy Herbarium

Published in Sida, Contributions To Botany, in 1995, in volume 16, issue 3, pages 595

Created: 2015-12-02, modified: 2015-12-02

Authors: George L Kirk | A C Bonebrake | Arthur M Johnson | Tracy I Storer

Published in Journal of Mammalogy, in 1922, in volume 3, pages 185-189

Created: 2013-03-08, modified: 2018-04-12

Authors: L R Miller

Published in Northern Territory Naturalist, in 1989, in volume 11, pages 27-30

Created: 2020-04-02, modified: 2025-12-17

Authors: Tracy E Hazen

Published in Torreya, in 1908, in volume 8, issue 11, pages 265-266

Created: 2022-12-15, modified: 2022-12-15

Authors: L Gerrettson-Cornell | J Simpson

Published in Mycotaxon, in 1984, in volume 19, pages 453-470

Created: 2025-04-28, modified: 2025-04-28

Authors: Guy L Nesom | Youngbae Suh | Beryl B Simpson

Published in Phytologia, in 1993, in volume 75, issue 5, pages 341-346

Created: 2016-05-05, modified: 2016-05-06

Authors: Paul L Broughton | Frank Simpson | Sidney H Whitaker

Published in Palaeontology, in 1978, in volume 21, issue 2, pages 443-453

Created: 2016-04-23, modified: 2016-04-23

Authors: Clifford W Morden | Stephan L Hatch | S M Tracy Herbarium

Published in Sida, Contributions To Botany, in 1984, in volume 10, issue 3, pages 254-255

Created: 2015-12-02, modified: 2015-12-02

Authors:

Published in Nautilus Philadelphia, in 1928, in volume 42, pages 66

Created: 2014-12-03, modified: 2014-12-03

Authors: Marshall A Howe | Tracy E Hazen

Published in Torreya, in 1902, in volume 2, issue 11, pages 175-176

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

Authors: Kim L Marsden | Michael G Simpson

Published in Madroño, in 1999, in volume 46, issue 1, pages 61-64

Created: 2016-02-15, modified: 2023-02-16

Authors: J K Wipffand | Stephan L Hatch | S M Tracy Herbarium

Published in Sida, Contributions To Botany, in 1992, in volume 15, issue 1, pages 160-162

Created: 2015-12-02, modified: 2015-12-02

Authors: Pamela S Soltis | Douglas E Soltis | Tracy L Norvell

Published in Madroño, in 1997, in volume 44, issue 1, pages 59-73

Created: 2016-02-15, modified: 2023-02-16

Authors: Robert C Simpson | R Ann Simpson

Published in Banisteria, in 2005, in volume 26, pages 17

Created: 2020-06-14, modified: 2020-06-14

Authors: G G Simpson | J L Minoprio

Published in Anales De La Sociedad Cientifica Argentina, in 1950, in volume 149, pages 245-253

Created: 2016-02-12, modified: 2016-02-12

Authors: F Tracy Hubbard

Published in Rhodora, in 1917, in volume 19, issue 217, pages 15-17

Created: 2016-07-19, modified: 2023-02-16

Authors: F Tracy Hubbard

Published in Rhodora, in 1913, in volume 15, issue 171, pages 64

Created: 2016-07-19, modified: 2023-02-16

Authors: F Tracy Hubbard

Published in Rhodora, in 1912, in volume 14, issue 158, pages 36-40

Created: 2016-07-19, modified: 2023-02-16

Authors: C T Simpson

Published in Nautilis, in 1889, in volume 3, pages 5-8

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

Authors: L V Diller

Published in Journal of Raptor Research, in 1993, in volume 27, issue 1, pages 54

Created: 2017-04-07, modified: 2017-04-07

Authors: Review By: Tracy E Hazen

Published in Torreya, in 1909, in volume 9, issue 3, pages 56-57

Created: 2022-12-15, modified: 2022-12-15

Authors: C Stuart Gager | Tracy E Hazen

Published in Torreya, in 1908, in volume 8, issue 4, pages 80-83

Created: 2022-12-15, modified: 2022-12-15

Authors: William T Horne | Tracy E Hazen

Published in Torreya, in 1904, in volume 4, issue 6, pages 93-95

Created: 2022-12-15, modified: 2022-12-15

Authors: Tracy E Hazen | William T Horne

Published in Torreya, in 1904, in volume 4, issue 5, pages 73-76

Created: 2022-12-15, modified: 2022-12-15

Authors: Forman T Mclean | Tracy E Hazen

Published in Torreya, in 1931, in volume 31, issue 2, pages 58-61

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

Authors: Beryl B Simpson | John L Neff

Published in Annals of the Missouri Botanical Garden, in 1981, in volume 68, pages 301-322

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

Authors: H C Tracy

Published in The Wilson Bulletin, in 1902, in volume 14, issue 1, pages 1-5

Created: 2016-11-27, modified: 2023-02-16

Authors: H C Tracy

Published in The Wilson Bulletin, in 1902, in volume 14, issue 4, pages 116-120

Created: 2016-11-27, modified: 2023-02-16

Authors: F Tracy Hubbard

Published in Rhodora, in 1917, in volume 19, issue 218, pages 27

Created: 2016-07-19, modified: 2023-02-16

Authors: F Tracy Hubbard

Published in Rhodora, in 1917, in volume 19, issue 222, pages 100-105

Created: 2016-07-19, modified: 2023-02-16

Authors: C T Simpson

Published in Nautilis, in 1894, in volume 8, pages 91-92

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

Authors: C T Simpson

Published in Nautilis, in 1889, in volume 3, pages 78-80

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

Authors: C T Simpson

Published in Nautilis, in 1922, in volume 35, pages 65-73

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

Authors: C T Simpson

Published in Nautilis, in 1921, in volume 35, pages 20-22

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

Authors: Robert Tracy Jackson

Published in Proceedings of The United States National Museum, in 1937, in volume 84, pages 227-237

Created: 2011-06-30, modified: 2017-01-06

Authors: F Tracy Hubbard

Published in Rhodora, in 1913, in volume 15, issue 170, pages 36-38

Created: 2016-07-19, modified: 2023-02-16

Authors: F Tracy Hubbard

Published in Botanical Museum Leaflets, Harvard University, in 1932, in volume 1, pages 8

Created: 2016-02-07, modified: 2025-12-17

Authors: F Tracy Hubbard

Published in Botanical Museum Leaflets, Harvard University, in 1933, in volume 1, pages 32

Created: 2016-02-07, modified: 2025-12-17

Authors: J Wenninger

Published in Mitteilungen der Botanischen Staatssammlung München, in 1991, in volume 30, pages 1-196

Created: 2017-11-08, modified: 2017-11-08

Authors: J L Neff | B B Simpson

Published in Pan-Pacific Entomologist, in 1992, in volume 68, issue 1, pages 15-26

Created: 2018-07-03, modified: 2018-07-03

Authors: C T Simpson

Published in Nautilis, in 1893, in volume 7, pages 22-23

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

Authors: C T Simpson

Published in Nautilis, in 1896, in volume 10, pages 29-30

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

Authors: C T Simpson

Published in Nautilis, in 1890, in volume 4, pages 79-81

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

Authors: Wm J Bonisteel | John W Thomson

Published in Torreya, in 1941, in volume 41, issue 1, pages 1-2

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