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

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

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

Authors: Francis W Pennell

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

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

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 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 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: 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 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: 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 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: Review By: Francis E Lloyd

Published in Torreya, in 1942, in volume 42, issue 6, pages 191-192

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

Authors: Review By: Francis Ramaley

Published in Torreya, in 1933, in volume 33, issue 6, pages 151-152

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

Authors: Review By: Asher E Treat

Published in Journal of The New York Entomological Society, in 1971, in volume 79, issue 1, pages 57-58

Created: 2016-06-13, modified: 2023-02-16

Authors: Review By: Francis Drouet

Published in Rhodora, in 1937, in volume 39, issue 466, pages 424

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

Authors: Review By: Francis E Lloyd

Published in Torreya, in 1901, in volume 1, issue 5, pages 56-59

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

Authors: Review By: Francis E Lloyd

Published in Torreya, in 1903, in volume 3, issue 5, pages 74-76

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

Authors: Review By: T C S.

Published in The Wilson Bulletin, in 1935, in volume 47, issue 4, pages 300

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

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: Review By: H B Weiss

Published in Journal of The New York Entomological Society, in 1943, in volume 51, issue 3, pages 160

Created: 2016-06-13, modified: 2023-02-16

Authors: Review By: James W Walker

Published in Rhodora, in 1968, in volume 70, issue 783, pages 422-428

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

Authors: Review By: Harold W Keller

Published in Sida, Contributions To Botany, in 1996, in volume 17, issue 1, pages 196

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

Authors: Review By: Harold W Keller

Published in Sida, Contributions To Botany, in 1996, in volume 17, issue 1, pages 214

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

Authors: Review By: Harold W Keller

Published in Sida, Contributions To Botany, in 1996, in volume 17, issue 1, pages 250

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

Authors: Review By: Harold W Keller

Published in Sida, Contributions To Botany, in 1996, in volume 17, issue 1, pages 264

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

Authors: Review By: Roger W Sanders

Published in Sida, Contributions To Botany, in 1994, in volume 16, issue 2, pages 387-388

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

Authors: Review By: Roger W Sanders

Published in Sida, Contributions To Botany, in 1995, in volume 16, issue 3, pages 528

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

Authors: Review By: Roger W Sanders

Published in Sida, Contributions To Botany, in 1995, in volume 16, issue 3, pages 550

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

Authors: Review By: Roger W Sanders

Published in Sida, Contributions To Botany, in 1995, in volume 16, issue 3, pages 588

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

Authors: Review By: Justin W Allison

Published in Sida, Contributions To Botany, in 2005, in volume 21, issue 3, pages 1662

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

Authors: Review By: Roger W Sanders

Published in Sida, Contributions To Botany, in 2000, in volume 19, issue 2, pages 274

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

Authors: Review By: Francis E Lloyd

Published in Torreya, in 1901, in volume 1, issue 10, pages 120-122

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

Authors: Review By: Thomas W Whitaker

Published in Madroño, in 1961, in volume 16, issue 4, pages 140

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

Authors: Review By: Dennis Anderson

Published in Madroño, in 1970, in volume 20, issue 5, pages 288

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

Authors: Review By: George W Gillett

Published in Madroño, in 1972, in volume 21, issue 7, pages 494

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

Authors: Review By: W Gordon Whaley

Published in Torreya, in 1942, in volume 42, issue 5, pages 137-138

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