Published in American Fern Journal, in 1995, in volume 85, pages 182-192

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

Published in Annals of the Missouri Botanical Garden, in 1987, in volume 74, pages 440-442

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

Published in Mitteilungen der Münchner Entomologischen Gesellschaft, in 1943, in volume 33, pages 671-673

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

Published in Annals of the Missouri Botanical Garden, in 1994, in volume 81, pages 534-567

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

Published in American Fern Journal, in 1995, in volume 85, pages 134-181

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

in 1879, pages 1-2

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

in 1879, pages 1-2

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

Published in The Auk, in 1905, in volume 22, pages 172-175

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

Published in Asa Gray correspondence. Senders B-Ba, pages 1

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

Published in Asa Gray correspondence. Senders B-Ba, pages 1

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

Published in The Auk, in 1905, in volume 22, pages 170-171

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

Published in Madroño, in 1975, in volume 23, issue 4, pages 205-209

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

Published in Asa Gray correspondence. Senders B-Ba, in 1883, pages 1-2

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

Published in Asa Gray correspondence. Senders B-Ba, in 1884, pages 1-2

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

Published in Asa Gray correspondence. Senders B-Ba, in 1884, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1874, pages 1-2

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

Published in Asa Gray correspondence. Senders B-Ba, in 1874, pages 1-2

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

Published in Asa Gray correspondence. Senders B-Ba, in 1874, pages 1

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

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

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

Published in Asa Gray correspondence. Senders B-Ba, in 1874, pages 1-2

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

Published in Asa Gray correspondence. Senders B-Ba, in 1874, pages 1-4

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

Published in Asa Gray correspondence. Senders B-Ba, in 1881, pages 1-2

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

Published in Asa Gray correspondence. Senders B-Ba, in 1881, pages 1-2

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

Published in Asa Gray correspondence. Senders B-Ba, in 1882, pages 1-4

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

Published in Asa Gray correspondence. Senders B-Ba, in 1872, pages 1-2

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

Published in Asa Gray correspondence. Senders B-Ba, in 1872, pages 1-2

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

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

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

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

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

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

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

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

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

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

Published in Asa Gray correspondence. Senders B-Ba, in 1881, pages 1

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

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

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

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

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

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

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

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

Published in Asa Gray correspondence. Senders B-Ba, in 1874, pages 1-2

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

Published in Asa Gray correspondence. Senders Be-Bo, in 1886, pages 1-2

Created: 2017-03-12, modified: 2017-06-09

Published in Asa Gray correspondence. Senders B-Ba, in 1871, pages 1-2

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

Published in Asa Gray correspondence. Senders B-Ba, in 1871, pages 1-2

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

Published in Asa Gray correspondence. Senders B-Ba, in 1872, pages 1-4

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

Published in Asa Gray correspondence. Senders B-Ba, in 1872, pages 1-2

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

Published in Asa Gray correspondence. Senders B-Ba, in 1872, pages 1-2

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

Published in Asa Gray correspondence. Senders B-Ba, in 1872, pages 1-2

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

Published in Asa Gray correspondence. Senders B-Ba, in 1872, pages 1-2

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

Published in Asa Gray correspondence. Senders B-Ba, in 1870, pages 1-2

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

Published in Asa Gray correspondence. Senders B-Ba, in 1870, pages 1-2

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

Published in Asa Gray correspondence. Senders B-Ba, in 1872, pages 1-3

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

Published in Asa Gray correspondence. Senders B-Ba, in 1872, pages 1-2

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

Published in Asa Gray correspondence. Senders B-Ba, in 1872, pages 1-2

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