Published in Biol Bull, in 1970, in volume 138, pages 334-343

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

Published in Madroño, in 2004, in volume 51, issue 4, pages 395-398

Created: 2016-02-15, modified: 2016-07-07

Published in Proceedings of the Biological Society of Washington, in 1984, in volume 97, pages 942-950

Created: 2011-05-06, modified: 2011-06-21

Published in Madroño, in 1998, in volume 45, issue 4, pages 295-300

Created: 2016-02-15, modified: 2016-07-07

Published in Annals of the Missouri Botanical Garden, in 1988, in volume 75, pages 842-852

Created: 2010-01-08, modified: 2015-12-16

Published in Madroño, in 1970, in volume 20, issue 5, pages 256

Created: 2016-02-15, modified: 2016-07-07

Published in Mycologia, in 1921, in volume 13, issue 4-5, pages 201-229

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

Published in American Fern Journal, in 1974, in volume 64, pages 30

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

Published in Proceedings of the Biological Society of Washington, in 1977, in volume 89, pages 509-517

Created: 2011-05-26, modified: 2011-06-21

Published in Contributions in Science, in 1989, in volume 402, pages 1-43

Created: 2017-07-19, modified: 2023-02-16

Published in Palaeontology, in 1964, in volume 7, issue 1, pages 72-84

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

Published in Veliger, in 2008, in volume 50, pages 326-328

Created: 2013-12-24, modified: 2013-12-24

Published in Journal of Arachnology, in 2008, in volume 36, issue 2, pages 267-272

Created: 2017-04-11, modified: 2017-04-11

Published in Journal of The Arnold Arboretum, in 1932, in volume 13, issue 2, pages 213-231

Created: 2016-07-07, modified: 2016-07-07

Published in Madroño, in 1991, in volume 38, issue 4, pages 287-295

Created: 2016-02-15, modified: 2016-07-07

Published in Mycotaxon, in 2016, in volume 131, issue 1, pages 153-176

Created: 2024-07-29, modified: 2024-07-29

Published in Rhodora, in 1998, in volume 100, issue 901, pages 1-24

Created: 2014-06-16, modified: 2016-07-26

Published in Journal of Ethnobiology, in 1997, in volume 17, issue 2, pages 171-214

Created: 2016-06-26, modified: 2016-06-26

Published in Asa Gray correspondence. Senders A, in 1837, pages 1-2

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

Published in Asa Gray correspondence. Senders A, in 1837, pages 1-3

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

Published in Austrobaileya, in 2011, in volume 8, issue 3, pages 431-434

Created: 2020-06-21, modified: 2020-06-21

Published in Botanical Gazette, in 1899, in volume 28, issue 2, pages 122-126

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

Published in Botanical Gazette, in 1899, in volume 28, issue 3, pages 203-207

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

Published in Botanical Gazette, in 1901, in volume 31, issue 6, pages 423-425

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

Published in Biol Bull, in 1950, in volume 98, pages 19-24

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

Published in Novon, in 2005, in volume 15, pages 290-292

Created: 2011-01-28, modified: 2011-06-21

Published in Madroño, in 1998, in volume 45, issue 4, pages 290-294

Created: 2016-02-15, modified: 2016-07-07

Published in Asa Gray correspondence. Senders A, in 1864, pages 1

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

Published in Asa Gray correspondence. Senders A, in 1866, pages 1-2

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

Published in Asa Gray correspondence. Senders A, in 1873, pages 1-2

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

Published in Asa Gray correspondence. Senders A, in 1876, pages 1-2

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

Published in Asa Gray correspondence. Senders A, in 1877, pages 1-4

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

Published in Asa Gray correspondence. Senders A, in 1873, pages 1-2

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

Published in Asa Gray correspondence. Senders A, in 1875, pages 1-2

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

Published in Madroño, in 1959, in volume 15, issue 3, pages 90-93

Created: 2016-02-15, modified: 2016-07-07

Published in The Wilson Bulletin, in 2000, in volume 112, issue 2, pages 165-186

Created: 2017-08-22, modified: 2017-08-22

Published in Novon, in 1991, in volume 1, pages 127-133

Created: 2011-01-28, modified: 2016-02-16

Published in Proceedings of the California Academy of Sciences, in 1935, in volume 23, pages 1-34

Created: 2011-06-28, modified: 2021-04-05

Published in Journal of The Entomological Society of British Columbia, in 2001, in volume 98, pages 127-136

Created: 2017-01-09, modified: 2017-01-09

Published in Raptor Research, in 1982, in volume 16, issue 4, pages 132-134

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

Published in Asa Gray correspondence. Senders A, in 1888, pages 1-3

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

Published in Asa Gray correspondence. Senders A, in 1889, pages 1

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

Published in Biol Bull, in 1973, in volume 144, pages 1-11

Created: 2010-01-06, modified: 2011-09-12

Published in Annals of the Missouri Botanical Garden, in 1954, in volume 41, pages 329-338

Created: 2010-01-08, modified: 2015-12-16

Published in The Auk, in 1904, in volume 21, pages 91-92

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

Published in Scopus, in 1993, in volume 17, pages 40-47

Created: 2014-03-20, modified: 2014-03-20

Published in Zoologica, in 1923, in volume 2, issue 18, pages 413-455

Created: 2016-11-23, modified: 2016-11-23

Published in Novon, in 1992, in volume 2, pages 437

Created: 2014-06-14, modified: 2014-06-14

Published in Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft, in 1918, in volume 50, pages 27-33

Created: 2016-09-15, modified: 2016-09-15

Published in Biol Bull, in 1984, in volume 167, pages 120-123

Created: 2010-01-07, modified: 2011-06-21