Published in Annals of the Entomological Society of America, in 1911, in volume 4, issue 2, pages 181-186

Created: 2016-08-22, modified: 2016-08-22

Published in Taxon, in 1975, in volume 24, pages 593-601

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

Published in Madroño, in 1970, in volume 20, issue 5, pages 257-263

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

Published in Rhodora, in 1942, in volume 44, pages 409-414

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

Published in Rhodora, in 1984, in volume 86, issue 846, pages 121-125

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

Published in Rhodora, in 1900, in volume 2, issue 20, pages 168-169

Created: 2016-07-19, modified: 2016-07-19

Published in Novon, in 1992, in volume 2, pages 269-273

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

Published in Pacific Science, in 1951, in volume 5, issue 1, pages 52-77

Created: 2017-09-10, modified: 2017-09-10

Published in Rhodora, in 1900, in volume 2, issue 17, pages 106

Created: 2016-07-19, modified: 2016-07-19

Published in Rhodora, in 1963, in volume 65, issue 763, pages 193-207

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

Published in Journal of The New York Entomological Society, in 1912, in volume 20, pages 125-130

Created: 2013-03-01, modified: 2016-05-24

Published in Psyche: A Journal of Entomology, in 1912, in volume 19, issue 4, pages 121-134

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

Published in Madroño, in 1977, in volume 24, issue 2, pages 65-68

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

Published in Madroño, in 1988, in volume 35, issue 2, pages 117-120

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

Published in Rhodora, in 1944, in volume 46, issue 545, pages 149-155

Created: 2016-07-19, modified: 2016-07-19

Published in Journal of the Arnold Arboretum, in 1979, in volume 60, pages 403-444

Created: 2011-01-26, modified: 2023-02-16

Published in Novon, in 2002, in volume 12, pages 290-298

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

Published in Rhodora, in 1978, in volume 80, issue 824, pages 570-574

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

Published in Journal of The New York Entomological Society, in 1914, in volume 22, pages 229-234

Created: 2013-03-01, modified: 2016-05-24

Published in Novon, in 2002, in volume 12, pages 170-172

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

Published in Madroño, in 1978, in volume 25, issue 1, pages 30-39

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

Published in American Fern Journal, in 1970, in volume 60, pages 1-6

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

Published in Rhodora, in 1900, in volume 2, issue 18, pages 127-130

Created: 2016-07-19, modified: 2016-07-19

Published in Rhodora, in 1900, in volume 2, issue 24, pages 243-246

Created: 2016-07-19, modified: 2016-07-19

Published in Madroño, in 1980, in volume 27, issue 4, pages 176-186

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

Published in Annals of the Missouri Botanical Garden, in 1987, in volume 74, pages 117-120

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

Published in Annals of the Missouri Botanical Garden, in 1988, in volume 75, pages 1087-1144

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

Published in Rhodora, in 1967, in volume 69, issue 779, pages 241-305

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

Published in Sida, Contributions To Botany, in 1966, in volume 2, issue 5, pages 377-380

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

Published in Sida, Contributions To Botany, in 1990, in volume 14, issue 2, pages 145-167

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

Published in Journal of The Arnold Arboretum, in 1967, in volume 48, issue 4, pages 363-430

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

Published in Rhodora, in 1899, in volume 1, issue 2, pages 30-33

Created: 2016-07-19, modified: 2016-07-19

Published in Rhodora, in 1899, in volume 1, issue 5, pages 83-84

Created: 2016-07-19, modified: 2016-07-19

Published in Rhodora, in 1899, in volume 1, issue 6, pages 108-110

Created: 2016-07-19, modified: 2016-07-19

Published in Rhodora, in 1902, in volume 4, issue 37, pages 5-7

Created: 2016-07-19, modified: 2016-07-19

Published in Rhodora, in 1903, in volume 5, issue 56, pages 197-199

Created: 2016-07-19, modified: 2016-07-19

Published in Rhodora, in 1915, in volume 17, issue 193, pages 30-32

Created: 2016-07-19, modified: 2016-07-19

Published in American Fern Journal, in 1964, in volume 54, pages 189-196

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

Published in Annals of the Missouri Botanical Garden, in 1991, in volume 78, pages 255-258

Created: 2010-01-08, modified: 2015-12-17

Published in Annals of the Missouri Botanical Garden, in 1994, in volume 81, pages 33-144

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

Published in Journal of the Arnold Arboretum, in 1956, in volume 37, pages 217-268

Created: 2011-01-26, modified: 2023-02-16

Published in Journal of the Arnold Arboretum, in 1958, in volume 39, pages 49-100

Created: 2011-01-26, modified: 2023-02-16

Published in Journal of the Arnold Arboretum, in 1958, in volume 39, pages 111-212

Created: 2011-01-26, modified: 2023-02-16

Published in Journal of the Arnold Arboretum, in 1957, in volume 38, pages 51-80

Created: 2011-01-26, modified: 2023-02-16

Published in Journal of the Arnold Arboretum, in 1957, in volume 38, pages 170-198

Created: 2011-01-26, modified: 2023-02-16

Published in Journal of the Arnold Arboretum, in 1957, in volume 38, pages 295-373

Created: 2011-01-26, modified: 2023-02-16

Published in Annals of the Missouri Botanical Garden, in 1992, in volume 79, pages 632-647

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

Published in Journal of The Arnold Arboretum, in 1973, in volume 54, issue 3, pages 369-376

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

Published in Rhodora, in 1902, in volume 4, issue 40, pages 77-79

Created: 2016-07-19, modified: 2016-07-19

Published in Pacific Science, in 1962, in volume 16, issue 1, pages 63-69

Created: 2017-09-10, modified: 2017-09-10