Authors: Robert G Simpson | David Pettus

Published in Journal of Research on the Lepidoptera, in 1976, in volume 15, issue 3, pages 163-168

Created: 2022-02-16, modified: 2025-12-17

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

Published in Breviora, in 1970, in volume 360, pages 1-13

Created: 2009-12-27, modified: 2021-04-05

Authors: G G Simpson

Published in Annals of the Carnegie Museum, in 1927, in volume 17, pages 283-298

Created: 2017-10-22, modified: 2025-12-17

Authors: Michael G Simpson | Jillian Stephens | Stella Yang

Published in Madroño, in 2020, in volume 67, issue 1, pages 5-8

Created: 2025-01-13, modified: 2025-01-13

Authors: G G Simpson

Published in Annals of the Carnegie Museum, in 1929, in volume 19, pages 107-113

Created: 2017-03-19, modified: 2025-12-17

Authors: G G Simpson

Published in Bulletin of The Museum of Comparative Zoology, in 1962, in volume 127, pages 237-293

Created: 2009-12-23, modified: 2021-04-05

Authors: G G Simpson

Published in Bulletin of The Museum of Comparative Zoology, in 1970, in volume 139, pages 1-86

Created: 2009-12-23, modified: 2011-06-21

Authors: G G Simpson

Published in Bulletin of The Museum of Comparative Zoology, in 1967, in volume 136, pages 39-61

Created: 2009-12-23, modified: 2021-04-05

Authors: G C Simpson

Published in Annals of Tropical Medicine & Parasitology, in 1912, in volume 6, issue 2, pages 231-233

Created: 2022-12-22, modified: 2022-12-22

Authors: G G Simpson

Published in Breviora, in 1970, in volume 362, pages 1-17

Created: 2009-12-27, modified: 2021-04-05

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: G G Simpson

Published in Breviora, in 1970, in volume 361, pages 1-9

Created: 2009-12-27, modified: 2021-04-05

Authors: D Thomson | G C Simpson

Published in Annals of Tropical Medicine & Parasitology, in 1912, in volume 6, issue 1, pages 53-54

Created: 2022-12-22, modified: 2022-12-22

Authors: Annette Lewis Winner | Michael G Simpson

Published in Madroño, in 2007, in volume 54, pages 345-353

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

Authors: Michael G Simpson | Michael Silveira | C Matt Guilliams

Published in Madroño, in 2010, in volume 57, pages 145-160

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

Authors: G G Simpson

Published in Bulletin of The Museum of Comparative Zoology, in 1967, in volume 136, pages 63-76

Created: 2009-12-23, modified: 2021-04-05

Authors: G G Simpson

Published in Annals of The South African Museum, in 1979, in volume 79, pages 1-7

Created: 2012-10-29, modified: 2012-10-29

Authors: Michael G Simpson

Published in Annals of the Missouri Botanical Garden, in 1990, in volume 77, pages 722-784

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

Authors: G C E Simpson

Published in Annals of Tropical Medicine & Parasitology, in 1910, in volume 4, issue 3, pages 313-323

Created: 2022-11-06, modified: 2022-11-06

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: Michael G Simpson | Regina A Dowdy | Lee M Simpson | Jon P Rebman | Ronald B Kelley

Published in Madroño, in 2014, in volume 61, pages 259-275

Created: 2017-05-28, modified: 2017-05-28

Authors:

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

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

Authors: G C Simpson | E S Edie

Published in Annals of Tropical Medicine & Parasitology, in 1912, in volume 6, issue 4, pages 443-448

Created: 2022-12-22, modified: 2022-12-22

Authors: Mark W Dodero | Michael G Simpson

Published in Madroño, in 2012, in volume 59, pages 223-229

Created: 2016-02-15, 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: G Van Wagenen | M E Simpson

Published in Revue Suisse De Zoologie, in 1957, in volume 64, pages 807-819

Created: 2012-11-11, modified: 2023-02-16

Authors: Geoffrey A Levin | Michael G Simpson

Published in Annals of the Missouri Botanical Garden, in 1994, in volume 81, pages 239-244

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

Authors: Stephen Ward Mccabe | Mark W Dodero | Michael G Simpson

Published in Madroño, in 2016, in volume 63, issue 4, pages 359-365

Created: 2025-01-13, modified: 2025-01-13

Authors: Michael G Simpson | Jon P Rebman

Published in Madroño, in 2021, in volume 68, issue 2, pages 127-137

Created: 2025-01-13, modified: 2025-01-13

Authors: K N G Simpson

Published in Victorian Naturalist, in 1972, in volume 89, pages 32-40

Created: 2018-08-07, modified: 2018-08-07

Authors: Nuri Benet-Pierce | Michael G Simpson

Published in Madroño, in 2010, in volume 57, pages 64-72

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

Authors: Geoffrey A Levin | Michael G Simpson

Published in Annals of the Missouri Botanical Garden, in 1994, in volume 81, pages 203-238

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

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: G P Whitley

Published in Transactions of the Royal Society of South Australia, in 1945, in volume 69, pages 10-13

Created: 2018-08-06, modified: 2018-08-06

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: Robert G Leavitt

Published in Rhodora, in 1899, in volume 1, issue 11, pages 206-208

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

Authors: Michael G Simpson | Jon P Rebman

Published in Madroño, in 2013, in volume 60, pages 35-45

Created: 2019-04-08, modified: 2019-04-08

Authors: K N G Simpson | R Blackwood

Published in Memoirs of the National Museum of Victoria, in 1973, in volume 34, pages 217

Created: 2018-02-20, modified: 2018-02-20

Authors: D R Simpson

Published in Phytologia, in 1976, in volume 33, pages 4-8

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

Authors: D R Simpson

Published in Phytologia, in 1982, in volume 51, pages 303-322

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

Authors: C P Alexander

Published in Entomological News, in 1959, in volume 70, pages 29-32

Created: 2010-01-13, modified: 2021-04-05

Authors: D R Simpson

Published in Phytologia, in 1975, in volume 30, pages 304-316

Created: 2011-01-26, modified: 2011-06-21

Authors: W H Simpson

Published in Ibis, in 1861, in volume 3, issue 4, pages 361-374

Created: 2024-10-04, modified: 2024-10-04

Authors: C T Simpson

Published in Nautilis, in 1894, in volume 7, pages 110-113

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