Authors: F Clarkson

Published in The Canadian Entomologist, Ontario, in 1887, in volume 19, pages 31-34

Created: 2011-06-04, modified: 2017-01-06

Authors: F Clarkson

Published in The Canadian Entomologist, Ontario, in 1885, in volume 17, pages 188-190

Created: 2011-06-04, modified: 2017-01-06

Authors: Edward H Clarkson

Published in American Fern Journal, in 1922, in volume 12, pages 19-22

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

Authors: J R Clarkson

Published in Austrobaileya, in 1993, in volume 4, pages 117-118

Created: 2023-07-23, modified: 2025-12-17

Authors: Quentin D Clarkson

Published in Madroño, in 1958, in volume 14, issue 7, pages 246-247

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

Authors: Edward Hale Clarkson

Published in American Fern Journal, in 1919, in volume 9, pages 109-115

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

Authors: E N K Clarkson

Published in Palaeontology, in 1973, in volume 16, issue 3, pages 425-444

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

Authors: E N K Clarkson

Published in Palaeontology, in 1966, in volume 9, issue 3, pages 464-487

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

Authors: Edward H Clarkson

Published in American Fern Journal, in 1925, in volume 15, pages 22-23

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

Authors: D E Symon | J R Clarkson

Published in Journal of The Adelaide Botanic Garden, in 1985, in volume 7, issue 2, pages 201-206

Created: 2022-11-15, modified: 2022-11-15

Authors: E N K Clarkson

Published in Palaeontology, in 1966, in volume 9, issue 1, pages 1-29

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

Authors: J R Clarkson

Published in Austrobaileya, in 1986, in volume 2, pages 203-210

Created: 2023-07-30, modified: 2025-12-17

Authors: Euan N K Clarkson | Yvonne Howells

Published in Palaeontology, in 1981, in volume 24, issue 3, pages 507-536

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

Authors: Zhang Xi-Guang | Euan N K Clarkson

Published in Palaeontology, in 1990, in volume 33, issue 4, pages 911-932

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

Authors: Edward H Clarkson

Published in American Fern Journal, in 1928, in volume 18, pages 120-124

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

Authors: E N K Clarkson

Published in Palaeontology, in 1967, in volume 10, issue 4, pages 603-616

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

Authors: E N K Clarkson

Published in Palaeontology, in 1973, in volume 16, issue 4, pages 735-763

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

Authors: J R Clarkson

Published in History of systematic botany in Australasia, in 1990, pages 171-178

Created: 2020-06-22, modified: 2020-06-22

Authors: J R Clarkson | B P M Hyland

Published in Austrobaileya, in 1986, in volume 2, pages 274-276

Created: 2023-07-30, modified: 2025-12-17

Authors: E N K Clarkson | N Eldridge | J-L Henry

Published in Palaeontology, in 1977, in volume 20, issue 1, pages 119-142

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

Authors: E N K Clarkson

Published in Palaeontology, in 1979, in volume 22, issue 1, pages 1-22

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

Authors: Quentin D Clarkson

Published in Madroño, in 1959, in volume 15, issue 4, pages 115-122

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

Authors: Colin T Scrutton | Euan N K Clarkson

Published in Palaeontology, in 1991, in volume 34, issue 1, pages 179-194

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

Authors: Zhang Xi-Guang | Euan N K Clarkson

Published in Palaeontology, in 1993, in volume 36, issue 4, pages 785-806

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

Authors: J R Clarkson | D E Symon

Published in Austrobaileya, in 1991, in volume 3, pages 389-392

Created: 2023-07-23, modified: 2025-12-17

Authors: Mark A Clements | John R Clarkson | Heidi C Zimmer | David L Jones

Published in Austrobaileya, in 2021, in volume 11, pages 118-123

Created: 2023-08-13, modified: 2025-12-17

Authors: André D Dos Santos | Bruno Clarkson | Nelson Ferreira

Published in Arquivos Do Museu Nacional, in 2009, in volume 67, issue 3-4, pages 329-336

Created: 2018-12-23, modified: 2018-12-23

Authors: Robert W Clarkson | Anthony T Robinson | Timothy L Hoffnagle

Published in The Great Basin Naturalist, in 1997, in volume 57, issue 1, pages 66-69

Created: 2017-11-16, modified: 2023-02-16

Authors: Richard I Johnson

Published in Occasional papers on mollusks, in 1999, in volume 6, issue 78, pages 89-91

Created: 2017-10-03, modified: 2017-10-03

Authors: S A Shepherd | P A Clarkson | J A Turner

Published in Transactions of The Royal Society of South Australia, in 1985, in volume 109, pages 61-62

Created: 2013-01-24, modified: 2013-01-24

Authors: Corinne Watts | Danny Thornburrow | Beverley Clarkson | Shay Dean

Published in The Journal of Research On The Lepidoptera, in 2013, in volume 46, pages 81-89

Created: 2022-01-07, modified: 2025-12-17

Authors: John F F Horner

in 1882, pages 1-4

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

Authors: John F F Horner

in 1882, pages 1-2

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

Authors: John F F Horner

in 1884, pages 1-2

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

Authors: F F Forbes

Published in Rhodora, in 1909, in volume 11, issue 121, pages 14-15

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

Authors: F F Von Droste

Published in Journal für Ornithologie, in 1867, in volume 15, pages 355-356

Created: 2014-09-04, modified: 2014-09-04

Authors: Andrew F Holmes

in 1844, pages 1-3

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

Authors: Isaac F Holton

in 1848, pages 1-2

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

Authors: Isaac F Holton

in 1852, pages 1-2

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

Authors: Isaac F Holton

in 1856, pages 1-2

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

Authors: Isaac F Holton

in 1857, pages 1-2

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

Authors: Isaac F Holton

in 1857, pages 1-2

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

Authors: F F Forbes

Published in Rhodora, in 1909, in volume 11, issue 121, pages 9-12

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

Authors: F D Kelsey

Published in Botanical Gazette, in 1892, in volume 17, issue 3, pages 78-81

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

Authors: John F Wiens | Marilyn F Hanson | Carroll Hemingway

Published in Madroño, in 2008, in volume 55, pages 88-89

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

Authors: G F Bills | F Peláez

Published in Mycotaxon, in 1996, in volume 57, pages 471-477

Created: 2025-04-21, modified: 2025-04-21

Authors: F F Von Droste

Published in Journal für Ornithologie, in 1867, in volume 15, pages 89-94

Created: 2014-09-04, modified: 2014-09-04

Authors: F F Laidlaw

Published in Sarawak Museum journal, in 1911, in volume 1, issue 1, pages 191-193

Created: 2020-03-14, modified: 2020-03-14

Authors: F F Kohl

Published in Deutsche Entomologische Zeitschrift, in 1883, in volume 27, pages 161-186

Created: 2017-10-12, modified: 2017-10-12

Authors: F Thurau

Published in Entomologische Nachrichten, in 1897, in volume 23, pages 196-198

Created: 2017-06-15, modified: 2017-06-15