Authors: Francis W Pennell

Published in Torreya, in 1920, in volume 20, issue 5, pages 104-106

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

Authors: Francis W Pennell

Published in Torreya, in 1920, in volume 20, issue 4, pages 89-90

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Authors: Francis W Pennell

Published in Torreya, in 1919, in volume 19, issue 2, pages 30-32

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Authors: Francis W Pennell

Published in Torreya, in 1920, in volume 20, issue 1, pages 10-11

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

Authors: Francis W Pennell

Published in Rhodora, in 1918, in volume 20, issue 236, pages 133-137

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

Authors: Francis W Pennell

Published in Torreya, in 1922, in volume 22, issue 5, pages 77-84

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

Authors: Francis W Pennell | Douglas H Campbell

Published in Torreya, in 1911, in volume 11, issue 1, pages 15-17

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

Authors: William C Ferguson | Francis W Pennell

Published in Torreya, in 1919, in volume 19, issue 1, pages 12-14

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

Authors: Francis W Pennell

Published in Torreya, in 1919, in volume 19, issue 12, pages 235-242

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

Authors: Francis W Pennell

Published in Torreya, in 1919, in volume 19, issue 6, pages 107-119

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

Authors: Francis W Pennell

Published in American Fern Journal, in 1913, in volume 3, pages 16-17

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

Authors: Francis W Pennell

Published in Rhodora, in 1921, in volume 23, issue 265, pages 1-22

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

Authors: Francis W Pennell | Marshall A Howe

Published in Torreya, in 1920, in volume 20, issue 6, pages 128-132

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

Authors: Francis W Pennell

Published in Torreya, in 1919, in volume 19, issue 11, pages 205-216

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

Authors: Francis W Pennell

Published in Torreya, in 1919, in volume 19, issue 9, pages 161-171

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

Authors: Francis W Pennell

Published in Torreya, in 1919, in volume 19, issue 8, pages 143-152

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

Authors: B O Dodge | Francis W Pennell

Published in Torreya, in 1920, in volume 20, issue 3, pages 59-65

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

Authors: Francis W Pennell

Published in Rhodora, in 1921, in volume 23, issue 266, pages 29-41

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

Authors: Review By: Francis W Pennell

Published in Torreya, in 1921, in volume 21, issue 2, pages 34-35

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

Authors: Francis W Pennell | B O Dodge | Fred J Seaver

Published in Torreya, in 1917, in volume 17, issue 9, pages 164-168

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

Authors: Francis W Pennell

Published in Rhodora, in 1939, in volume 41, issue 488, pages 378-384

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

Authors: Francis W Pennell

Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1920, in volume 72, pages 136-188

Created: 2013-03-02, modified: 2013-03-02

Authors: Francis W Pennell

Published in Journal of The Arnold Arboretum, in 1943, in volume 24, issue 3, pages 243-274

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

Authors: Francis W Pennell

Published in Journal of The Arnold Arboretum, in 1939, in volume 20, issue 1, pages 75-84

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

Authors: N L Britton | F W Pennell

Published in Torreya, in 1911, in volume 11, issue 6, pages 130-131

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Authors: Review By: David D Keck

Published in Madroño, in 1936, in volume 3, issue 6, pages 253-255

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

Authors: Francis W Cragin

Published in Asa Gray correspondence. Senders Co-Cu, 1826-1891 (inclusive), in 1889, pages 1-3

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

Authors: Francis W Cragin

Published in Asa Gray correspondence. Senders Co-Cu, 1826-1891 (inclusive), in 1891, pages 1

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

Authors: F W Pennell | G N Jones

Published in Proceedings of The Biological Society of Washington, in 1937, in volume 50, pages 207-209

Created: 2011-07-31, modified: 2011-07-31

Authors: C W Reimer

Published in Cryptogamie. Algologie, in 1983, in volume 4, issue 3-4, pages 227-232

Created: 2021-02-17, modified: 2025-12-17

Authors: Aileen L Mcwilliam

Published in PHYTOLOGIA, in 1967, in volume 15, issue 4, pages 233-235

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

Authors: D M Spooner

Published in Rhodora, in 1984, in volume 86, issue 845, pages 79-87

Created: 2014-06-16, modified: 2023-02-16

Authors: W W Eggleston

Published in Torreya, in 1904, in volume 4, issue 5, pages 65-68

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

Authors: N C Fassett

Published in Rhodora, in 1947, in volume 49, issue 588, pages 293

Created: 2014-06-16, modified: 2023-02-16

Authors: Francis W Oliver

Published in Asa Gray correspondence : letters from Asa Gray to various individuals, 1838-1931 (inclusive), 1838-1888 (bulk), in 1931, pages 1-2

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

Authors: Charles E Depoe

Published in Sida, Contributions To Botany, in 1969, in volume 3, issue 5, pages 313-318

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

Authors: Francis G W Knowles

Published in Biol Bull, in 1950, in volume 98, pages 66-80

Created: 2010-01-06, modified: 2011-06-21

Authors:

Published in Madroño, in 1942, in volume 6, issue 8, pages 260-265

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

Authors: Francis Boott

Published in Asa Gray correspondence. Senders Be-Bo, in 1844, pages 1-2

Created: 2017-03-12, modified: 2017-06-09

Authors: Francis R Cook | Charles G Gruchy | Brian W Coad

Published in Amphipacifica, in 2001, in volume 3, issue 2, pages 1-2

Created: 2017-02-02, modified: 2017-02-02

Authors:

Published in Annals And Magazine of Natural History, in 1890, in volume 5, pages 115-117

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

Authors: W L Sclater | H F Francis

Published in Ibis, in 1899, in volume 5, issue 1, pages 111-115

Created: 2024-04-07, modified: 2024-04-07

Authors: David W Johnston | Francis S L Williamson

Published in The Wilson Bulletin, in 1960, in volume 72, issue 3, pages 248-252

Created: 2016-12-04, modified: 2023-02-16

Authors: Francis H Herrick | Francis H Herrick

Published in The Auk, in 1912, in volume 29, pages 262-263

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

Authors: Francis Walker

Published in Transactions of The Royal Entomological Society of London, in 1857, in volume 9, pages 119-158

Created: 2010-06-23, modified: 2012-05-25

Authors: Francis Walker

Published in Transactions of the Royal Entomological Society of London, in 1862, in volume 11, issue 3, pages 263-279

Created: 2014-07-18, modified: 2014-07-18

Authors: W L Sclater | H F Francis.

Published in Ibis, in 1899, in volume 5, issue 2, pages 283-286

Created: 2024-04-07, modified: 2024-04-07

Authors: Francis H Appleton

Published in Asa Gray correspondence. Senders A, in 1890, pages 1

Created: 2017-06-18, modified: 2017-06-18

Authors: Francis P Knight

Published in Asa Gray correspondence. Senders K, 1842-1891 (inclusive), in 1877, pages 1-2

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

Authors: Francis P Knight

Published in Asa Gray correspondence. Senders K, 1842-1891 (inclusive), in 1877, pages 1

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