Authors: Helen Duncan

Published in Journal of The Washington Academy of Sciences, in 1949, in volume 39, pages 122-136

Created: 2012-05-15, modified: 2025-12-03

Authors: Helen K Larson | Duncan Buckle | Jessica Lynas | Andrew Story | Chris Humphrey

Published in The Beagle, in 2007, in volume 23, pages 131-135

Created: 2021-08-30, modified: 2025-12-17

Authors: Forrest Freund | Duncan Thomas

Published in Madroño, in 2020, in volume 67, issue 2, pages 63-64

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

Authors:

Published in Madroño, in 1972, in volume 21, issue 8, pages 539

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

Authors: Wilbur H Duncan

Published in Rhodora, in 1950, in volume 52, issue 620, pages 185-188

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

Authors: G D Duncan | T J Edwards

Published in Bothalia, in 2007, in volume 37, issue 1, pages 31-35

Created: 2026-04-03, modified: 2026-04-03

Authors: Helen K Sharsmith

Published in Madroño, in 1936, in volume 3, issue 6, pages 240-248

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

Authors: Helen M Gilkey

Published in Madroño, in 1956, in volume 13, issue 8, pages 268

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

Authors: Wilbur H Duncan

Published in PHYTOLOGIA, in 1950, in volume 3, issue 5, pages 282

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

Authors: Duncan S Johnson

Published in Botanical Gazette, in 1895, in volume 20, issue 1, pages 16-22

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

Authors: Wilbur H Duncan

Published in Rhodora, in 1944, in volume 46, issue 542, pages 29-31

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

Authors: G D Duncan | T J Edwards

Published in Bothalia, in 2002, in volume 32, issue 1, pages 190-192

Created: 2026-04-03, modified: 2026-04-03

Authors: Robert W Duncan

Published in Pan-Pacific Entomologist, in 1994, in volume 70, issue 2, pages 103-112

Created: 2018-07-03, modified: 2018-07-03

Authors: Duncan S Johnson

Published in Botanical Gazette, in 1921, in volume 72, issue 4, pages 237-244

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

Authors: Sula Vanderplank | Duncan Bell | Dylan Hannon | Jorge Ochoa

Published in Madroño, in 2009, in volume 56, pages 135

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

Authors: Duncan M Porter

Published in Rhodora, in 1970, in volume 72, issue 791, pages 397-398

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

Authors: Duncan Porter

Published in Rhodora, in 1967, in volume 69, issue 780, pages 455-456

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

Authors: Duncan M Porter

Published in Madroño, in 1970, in volume 20, issue 7, pages 346-347

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

Authors: Helen Hewson

Published in Telopea, in 2005, in volume 11, issue 1, pages 95-98

Created: 2020-08-24, modified: 2020-08-24

Authors: Helen A Dorety

Published in Botanical Gazette, in 1909, in volume 48, issue 6, pages 475-476

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

Authors: Helen Bourquin

Published in Botanical Gazette, in 1917, in volume 64, issue 5, pages 426-434

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

Authors: Wilbur H Duncan

Published in Sida, Contributions To Botany, in 1992, in volume 15, issue 2, pages 346-347

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

Authors: Benjamin Pickman Mann

Published in Psyche: A Journal of Entomology, in 1882, in volume 3, issue 94, pages 312

Created: 2016-06-19, modified: 2016-06-19

Authors: Wilbur H Duncan

Published in American Fern Journal, in 1960, in volume 50, pages 266-267

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

Authors: Duncan S Johnson

Published in Botanical Gazette, in 1904, in volume 38, issue 3, pages 185-205

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

Authors: Duncan S Johnson

Published in Botanical Gazette, in 1902, in volume 34, issue 5, pages 321-340

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

Authors: C D Duncan

Published in Pan-Pacific Entomologist, in 1924, in volume 1, pages 42-43

Created: 2017-05-14, modified: 2017-05-14

Authors: W H Duncan

Published in Rhodora, in 1970, in volume 72, issue 792, pages 489-492

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

Authors: Wilbur H Duncan

Published in Rhodora, in 1950, in volume 52, issue 619, pages 179-183

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

Authors: Alan R Smith | Warren H Wagner | Thomas Duncan

Published in Madroño, in 1980, in volume 27, issue 1, pages 47-48

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

Authors: Helen A Choate

Published in Torreya, in 1916, in volume 16, issue 5, pages 116-120

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

Authors: Helen Ramsay

Published in Telopea, in 1984, in volume 2, issue 5, pages 455-533

Created: 2019-03-10, modified: 2019-03-10

Authors: Helen Ramsay

Published in Telopea, in 1984, in volume 2, issue 5, pages 549-558

Created: 2019-03-10, modified: 2019-03-10

Authors: Helen M Gilkey

Published in Madroño, in 1956, in volume 13, issue 5, pages 167-169

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

Authors: Helen M Gilkey

Published in Madroño, in 1951, in volume 11, issue 3, pages 137-141

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

Authors: E Brink

Published in Bothalia, in 2006, in volume 36, issue 1, pages 129-131

Created: 2026-04-03, modified: 2026-04-03

Authors: P Martin Duncan

Published in Annals And Magazine of Natural History, in 1878, in volume 2, pages 266-268

Created: 2011-09-29, modified: 2011-09-29

Authors: Wilbur H Duncan

Published in Sida, Contributions To Botany, in 1979, in volume 8, issue 1, pages 115-116

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

Authors: Wilbur H Duncan

Published in American Fern Journal, in 1954, in volume 44, pages 155-158

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

Authors: Duncan S Johnson

Published in Botanical Gazette, in 1898, in volume 26, issue 1, pages 1-24

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

Authors: Duncan S Johnson

Published in Botanical Gazette, in 1921, in volume 72, issue 5, pages 305-312

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

Authors: Duncan Colin Mcgregor

Published in Palaeontology, in 1960, in volume 3, issue 1, pages 26-44

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

Authors: Wilbur Duncan | Marie Mellinger

Published in Rhodora, in 1972, in volume 74, issue 799, pages 436-439

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

Authors: S B Jones | W H Duncan

Published in Rhodora, in 1966, in volume 68, issue 773, pages 49-52

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

Authors: Duncan M Porter

Published in Madroño, in 1974, in volume 22, issue 5, pages 273-276

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

Authors: Helen I Aston

Published in Muelleria, in 1988, in volume 6, issue 6, pages 519-520

Created: 2016-03-07, modified: 2023-02-16

Authors: Helen Fordham

Published in Western Australian Naturalist, in 1988, in volume 17, issue 4, pages 94-96

Created: 2021-03-28, modified: 2021-03-28

Authors: Helen M Noyes

Published in Rhodora, in 1900, in volume 2, issue 21, pages 181-185

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

Authors: Helen K Sharsmith

Published in Madroño, in 1940, in volume 5, issue 6, pages 192-196

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

Authors: Helen J Wilson

Published in The Beagle, in 1995, in volume 12, pages 213-214

Created: 2018-05-07, modified: 2025-12-17