Published in Breviora, in 1969, in volume 325, pages 1-24

Created: 2011-12-18, modified: 2011-12-18

Published in Breviora, in 1987, in volume 488, pages 1-9

Created: 2009-12-23, modified: 2016-12-29

Published in Breviora, in 1961, in volume 139, pages 1-5

Created: 2009-12-27, modified: 2021-04-05

Published in Bulletin of the Museum of Comparative Zoology, in 1962, in volume 127, pages 466-475

Created: 2010-02-16, modified: 2021-04-05

Published in Asiatic Herpetological Research, in 1990, in volume 3, pages 64-66

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

Published in Bulletin of The Museum of Comparative Zoology, in 1992, in volume 152, pages 475-505

Created: 2009-12-23, modified: 2021-04-05

Published in Postilla, in 1999, in volume 217, pages 3-18

Created: 2013-03-01, modified: 2013-03-01

Published in Breviora, in 1973, in volume 400, pages 1-13

Created: 2009-12-27, modified: 2021-04-05

Published in Advances in herpetology and evolutionary biology. Essays in honor of Ernest E. Williams, in 1983, in volume 1, pages 99-117

Created: 2014-01-04, modified: 2014-01-04

Published in Bulletin of The Museum of Comparative Zoology, in 1964, in volume 132, pages 245-273

Created: 2009-12-23, modified: 2011-06-21

Published in Bulletin of The Museum of Comparative Zoology, in 1964, in volume 131, pages 359-401

Created: 2009-12-23, modified: 2011-10-03

Published in Bulletin of The Museum of Comparative Zoology, in 1973, in volume 145, pages 1-28

Created: 2009-12-23, modified: 2011-06-21

Published in Bulletin of The Museum of Comparative Zoology, in 1972, in volume 143, pages 1-115

Created: 2009-12-23, modified: 2021-04-05

Published in Bulletin of The Museum of Comparative Zoology, in 1962, in volume 127, pages 451-478

Created: 2009-12-23, modified: 2021-04-05

Published in Breviora, in 1994, in volume 496, pages 1-20

Created: 2009-12-27, modified: 2021-04-05

Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-3

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-3

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-3

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-3

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-3

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-3

Created: 2017-06-24, modified: 2017-06-24

Published in Asa Gray correspondence. Senders Gr-Gu, 1839-1890 (inclusive), pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Madroño, in 1990, in volume 37, issue 1, pages 60-65

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

Published in Madroño, in 1986, in volume 33, issue 3, pages 233

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

Published in Madroño, in 1988, in volume 35, issue 2, pages 164-167

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

Published in American Fern Journal, in 1993, in volume 83, pages 46

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

Published in Madroño, in 1975, in volume 23, issue 4, pages 191-198

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

Published in The Wilson Bulletin, in 1999, in volume 111, issue 1, pages 15-21

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

Published in Rhodora, in 1934, in volume 36, pages 274-84

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

Published in Rhodora, in 1964, in volume 66, issue 766, pages 100-109

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

Published in Breviora, in 2000, in volume 509, pages 1-9

Created: 2009-12-27, modified: 2021-04-05

Published in Bulletin of The British Ornithologists' Club, in 2004, in volume 124, pages 151-153

Created: 2012-12-02, modified: 2012-12-02

Published in Proceedings of The Biological Society of Washington, in 2000, in volume 113, pages 871-886

Created: 2011-07-27, modified: 2011-07-27

Published in The Great Basin Naturalist, in 1998, in volume 58, issue 3, pages 217-230

Created: 2017-11-16, modified: 2017-11-16

Published in Moscosoa, in 1993, in volume 7, issue 0, pages 199-200

Created: 2015-04-21, modified: 2015-04-21

Published in Rhodora, in 1971, in volume 73, issue 795, pages 309-369

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

Published in American Fern Journal, in 1987, in volume 77, pages 68-69

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

Published in Madroño, in 1992, in volume 39, issue 2, pages 155-157

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

Published in The Great Basin Naturalist, in 1997, in volume 57, issue 1, pages 57-65

Created: 2017-11-16, modified: 2017-11-16

Published in Madroño, in 1989, in volume 36, issue 4, pages 271-279

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

Published in Palaeontology, in 1990, in volume 33, issue 3, pages 595-611

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

Published in American Fern Journal, in 2002, in volume 92, pages 247

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

Published in American Fern Journal, in 1995, in volume 85, pages 95-96

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

Published in Breviora, in 2000, in volume 508, pages 1-25

Created: 2009-12-27, modified: 2021-04-05

Published in Annals of the Missouri Botanical Garden, in 1987, in volume 74, pages 679-680

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

Published in Quart J Florida Acad Sci, in 1963, in volume 26, pages 184-187

Created: 2013-03-28, modified: 2013-03-28

Published in Rhodora, in 1967, in volume 69, issue 778, pages 184-194

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