Authors: Raymond L Petersen | David E Fairbrothers

Published in American Fern Journal, in 1980, in volume 70, pages 93-95

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

Authors: Raymond L Petersen | David E Fairbrothers

Published in American Fern Journal, in 1980, in volume 70, pages 73-78

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

Authors: Raymond L Petersen | Patrick C Francis

Published in American Fern Journal, in 1980, in volume 70, pages 115-118

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

Authors: J L Mata | R H Petersen

Published in Mycotaxon, in 2003, in volume 86, pages 303-316

Created: 2025-04-28, modified: 2025-04-28

Authors: J L Mata | R H Petersen

Published in Mycotaxon, in 2001, in volume 79, pages 217-229

Created: 2025-04-28, modified: 2025-04-28

Authors: Raymond L Ditmars

Published in Zoologica, in 1912, in volume 1, issue 11, pages 194-238

Created: 2016-11-23, modified: 2025-12-17

Authors: Raymond L Ditmars

Published in Zoologica, in 1934, in volume 17, issue 1, pages 1-44

Created: 2016-11-07, modified: 2025-12-17

Authors: Raymond L Cox

Published in Palaeontology, in 1971, in volume 14, issue 1, pages 22-33

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

Authors: E Petersen

Published in Genera insectorum, in 1914, in volume 154, pages 1-13

Created: 2025-07-23, modified: 2025-07-23

Authors: E Petersen

Published in Genera insectorum, in 1914, in volume 154, pages 1-13

Created: 2025-07-23, modified: 2025-07-23

Authors: L R Petersen | J R Keir

Published in Raptor Research, in 1976, in volume 10, issue 1, pages 21-28

Created: 2017-04-08, modified: 2017-04-08

Authors: Raymond H Torrey | V L Frazee

Published in Torreya, in 1933, in volume 33, issue 6, pages 153-155

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

Authors: Raymond L Bernor

Published in Kirtlandia, in 2007, in volume 56, pages 148-151

Created: 2016-11-04, modified: 2016-11-04

Authors: L K Henry

Published in Rhodora, in 1953, in volume 55, issue 649, pages 20

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

Authors: J Koch | K R L Petersen

Published in Mycotaxon, in 1996, in volume 60, pages 397-414

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

Authors: P Esben-Petersen

Published in Queensland Naturalist, in 1929, in volume 7, pages 31-35

Created: 2018-04-24, modified: 2018-04-24

Authors: P Esben-Petersen

Published in Queensland Naturalist, in 1926, in volume 6, pages 11-12

Created: 2018-04-24, modified: 2018-04-24

Authors: Kenneth L Petersen | Louis B Best | Brian M Winter

Published in The Wilson Bulletin, in 1986, in volume 98, issue 4, pages 535-546

Created: 2017-08-22, modified: 2023-02-16

Authors: Raymond Gilles

Published in Biol Bull, in 1972, in volume 142, pages 25-35

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

Authors: Raymond H Torrey | James L Edwards | Vernon L Frazee | George T Hastings

Published in Torreya, in 1932, in volume 32, issue 6, pages 163-169

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

Authors: H E Petersen

Published in Botanisk Tidsskrift, in 1909, in volume 29, pages 345-440

Created: 2017-10-18, modified: 2017-10-18

Authors: R H Petersen

Published in Mycotaxon, in 2000, in volume 75, pages 333-342

Created: 2025-04-20, modified: 2025-04-20

Authors:

Published in Nota Lepidopterologica, in 1983, in volume 6, pages 17-23

Created: 2014-03-11, modified: 2014-03-11

Authors: J L Petersen

Published in Proceedings of the Entomological Society of Washington, in 1985, in volume 87, pages 80-84

Created: 2010-11-04, modified: 2011-06-21

Authors: P Esben-Petersen

Published in Entomologische Mitteilungen, in 1912, in volume 1, pages 267-273

Created: 2011-06-04, modified: 2023-02-16

Authors: Ronald H Petersen

Published in Mycotaxon, in 2022, in volume 137, issue 3, pages 399-434

Created: 2025-02-10, modified: 2025-02-10

Authors: R H Petersen

Published in Mycotaxon, in 1976, in volume 3, issue 3, pages 358-362

Created: 2025-04-24, modified: 2025-04-24

Authors: Raymond H Torrey | James L Edwards | Wm J Bonisteel

Published in Torreya, in 1935, in volume 35, issue 5, pages 130-134

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

Authors: Raymond L Taylor

Published in BULL BROOKLYN ENT SOC, in 1928, in volume 23, issue 4, pages 191-194

Created: 2016-05-18, modified: 2016-05-18

Authors: Raymond L Taylor

Published in BULL BROOKLYN ENT SOC, in 1927, in volume 22, issue 4, pages 205-207

Created: 2016-05-18, modified: 2016-05-18

Authors: Raymond L Taylor

Published in Psyche: A Journal of Entomology, in 1927, in volume 34, issue 3-4, pages 157-163

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

Authors: Review By: Larry L Wolf

Published in The Wilson Bulletin, in 1975, in volume 87, issue 4, pages 562-564

Created: 2017-08-22, modified: 2023-02-16

Authors: Raymond H Torrey | Eleanor Friend | Raymond H Torrey

Published in Torreya, in 1937, in volume 37, issue 3, pages 63-65

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

Authors: Earl L Core | John M Fogg | Jr | Raymond H Torrey

Published in Torreya, in 1937, in volume 37, issue 6, pages 130-137

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

Authors: T L Bissell

Published in Proceedings of The Entomological Society of Washington, in 1983, in volume 85, pages 631-632

Created: 2011-06-10, modified: 2011-06-21

Authors: Raymond L Taylor

Published in Psyche: A Journal of Entomology, in 1928, in volume 35, issue 1, pages 44-50

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

Authors: P Esben-Petersen

Published in Revue Suisse De Zoologie, in 1931, in volume 38, pages 445-448

Created: 2014-02-10, modified: 2023-02-16

Authors: P Esben-Petersen

Published in Entomologiske Meddelelser, in 1914, in volume 10, pages 129-132

Created: 2010-11-20, modified: 2022-04-18

Authors: S A Gordon | R H Petersen

Published in Mycotaxon, in 1991, in volume 41, issue 2, pages 371-386

Created: 2025-04-22, modified: 2025-04-22

Authors: R H Petersen

Published in Mycotaxon, in 1992, in volume 45, pages 331-341

Created: 2025-04-22, modified: 2025-04-22

Authors: Margaret R Petersen

Published in The Wilson Bulletin, in 1979, in volume 91, issue 4, pages 608-617

Created: 2017-08-22, modified: 2023-02-16

Authors: P Esben-Petersen

Published in Arkiv För Zoologi, in 1917, in volume 11, issue 10, pages 1-15

Created: 2011-02-23, modified: 2026-07-18

Authors: P Esben-Petersen

Published in Arkiv för zoologi, in 1916, in volume 10, issue 15, pages 1-22

Created: 2026-07-18, modified: 2026-07-18

Authors: P Esben-Petersen

Published in Entomologische Mitteilungen, in 1912, in volume 1, pages 197-198

Created: 2011-06-04, modified: 2023-02-16

Authors: P Esben-Petersen

Published in Entomologiske Meddelelser, in 1915, in volume 10, pages 216-242

Created: 2010-11-20, modified: 2016-08-12

Authors: Ronald H Petersen

Published in Mycotaxon, in 2024, in volume 137, issue 4, pages 99-230

Created: 2025-02-24, modified: 2025-02-24

Authors: R H Petersen

Published in Mycotaxon, in 1977, in volume 6, issue 1, pages 127-166

Created: 2025-04-24, modified: 2025-04-24

Authors: R H Petersen

Published in Mycotaxon, in 1977, in volume 5, issue 2, pages 498-510

Created: 2025-04-24, modified: 2025-04-24

Authors: R H Petersen

Published in Mycotaxon, in 1982, in volume 15, pages 326-332

Created: 2025-04-24, modified: 2025-04-24

Authors: R H Petersen

Published in Mycotaxon, in 1983, in volume 17, pages 87-147

Created: 2025-04-24, modified: 2025-04-24