Published in Journal of The Botanical Research Institute of Texas, in 2009, in volume 3, issue 1, pages 169-176

Created: 2015-12-01, modified: 2015-12-01

Published in The Great Basin Naturalist, in 1955, in volume 15, pages 1-26

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

Published in Rhodora, in 1995, in volume 97, issue 892, pages 350-356

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

Published in Journal of The Botanical Research Institute of Texas, in 2008, in volume 2, issue 1, pages 7-18

Created: 2015-12-01, modified: 2015-12-01

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

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

Published in Asa Gray correspondence. Senders Be-Bo, in 1830, pages 1-3

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

Published in Asa Gray correspondence. Senders Be-Bo, in 1831, pages 1-3

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

Published in Biol Bull, in 1965, in volume 128, pages 177-188

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

Published in Asa Gray correspondence. Senders Be-Bo, in 1896, pages 1

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

Published in Sida, Contributions To Botany, in 2004, in volume 21, issue 2, pages 1121-1130

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

Published in American Fern Journal, in 1982, in volume 72, pages 36-40

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

Published in Asa Gray correspondence. Senders Be-Bo, in 1896, pages 1-2

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

Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1863, pages 1-4

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

Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1863, pages 1-2

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

Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1863, pages 1-2

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

Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1864, pages 1-2

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

Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1865, pages 1-2

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

Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1865, pages 1-2

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

Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1882, pages 1-2

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

Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1882, pages 1-2

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

Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1882, pages 1-2

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

Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1882, pages 1

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

Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1882, pages 1-2

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

Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1883, pages 1-2

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

Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1885, pages 1-4

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

Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1887, pages 1-2

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

Published in Nautilus, in 1930, in volume 44, pages 1-4

Created: 2012-03-12, modified: 2012-03-12

Published in Österreichische Botanische Zeitschrift, in 1881, in volume 31, issue 10, pages 309-313

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

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 Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1863, pages 1-2

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

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

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 1-2

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

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 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