Authors: N L Britton | F W Pennell

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

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

Authors: Francis W Pennell

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

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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

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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

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Authors: Francis W Pennell | Douglas H Campbell

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

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Authors: William C Ferguson | Francis W Pennell

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

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Authors: Francis W Pennell

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

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Authors: Francis W Pennell

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

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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

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Authors: Francis W Pennell | Marshall A Howe

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

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Authors: Francis W Pennell

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

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Authors: Francis W Pennell

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

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Authors: Francis W Pennell

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

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Authors: B O Dodge | Francis W Pennell

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

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Authors: Francis W Pennell

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

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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: Review By: Francis W Pennell

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

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

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

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Authors: Francis W Pennell

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

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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

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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

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Authors: N C Fassett

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

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Authors: Review By: David D Keck

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

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Authors: Charles E Depoe

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

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Authors: G L Nesom

Published in Phytoneuron, in 2012, in volume 2012-54, pages 1

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Authors: F D Kelsey

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

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Authors: F W Chatterton

Published in Asa Gray correspondence. Senders Ca-Cl, in 1890, pages 1

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Authors: F W Edwards

Published in Insecta of Samoa, in 1928, in volume 6, issue 2, pages 25-102

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Authors: W F Ponder

Published in Molluscan Research, in 1995, in volume 16, issue 1, pages 97-102

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Authors: W F H.

Published in The Wilson Bulletin, in 1911, in volume 23, issue 1, pages 65

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Authors: W F H.

Published in The Wilson Bulletin, in 1910, in volume 22, issue 2, pages 127-128

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Authors: W G F.

Published in Rhodora, in 1910, in volume 12, issue 135, pages 41-42

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Authors: W De W. Miller | F Courtois

Published in Ibis, in 1907, in volume 1, issue 3, pages 507-516

Created: 2024-03-28, modified: 2024-03-28

Authors: M P Bachulkar | S R Yadav | S K Limaye

Published in Journal of The Bombay Natural History Society, in 1995, in volume 92, issue 3, pages 441-442

Created: 2015-10-13, modified: 2015-10-13

Authors: W F Ganong

Published in Torreya, in 1910, in volume 10, issue 7, pages 159-168

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Authors: W F Ganong

Published in Torreya, in 1910, in volume 10, issue 5, pages 115-124

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Authors: W F Ganong

Published in Torreya, in 1910, in volume 10, issue 6, pages 135-142

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Authors: W F Clapp

Published in Nautilis, in 1914, in volume 28, pages 82-83

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

Authors: F W Kelsey

Published in Nautilis, in 1922, in volume 36, pages 17-18

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

Authors: F W Anderson

Published in Botanical Gazette, in 1887, in volume 12, issue 8, pages 192

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Authors: W F Ganong

Published in Botanical Gazette, in 1895, in volume 20, issue 1, pages 38

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Authors: F W Edwards

Published in Genera insectorum, in 1932, in volume 194, pages 1-258

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Authors: F W Konow

Published in Genera insectorum, in 1905, in volume 29, pages 1-176

Created: 2025-06-27, modified: 2025-06-27