Published in The Wilson Bulletin, in 1981, in volume 93, issue 1, pages 42-53

Created: 2016-12-04, modified: 2016-12-04

Published in Rhodora, in 2001, in volume 103, pages 245-262

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

Published in The Auk, in 1920, in volume 37, pages 519-540

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Published in The Great Basin Naturalist, in 1975, in volume 35, pages 191-202

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

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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 Copeia, in 1917, in volume 51, pages 104

Created: 2013-03-07, modified: 2013-03-08

Published in Rhodora, in 1910, in volume 12, pages 146-154

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

Published in The Auk, in 1918, in volume 35, pages 82

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Published in Rhodora, in 1923, in volume 25, issue 299, pages 203-204

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

Published in Copeia, in 1917, in volume 46, pages 66-68

Created: 2013-03-07, modified: 2013-03-08

Published in The Auk, in 1913, in volume 30, pages 505-511

Created: 2013-03-07, modified: 2013-03-08

Published in Rhodora, in 1912, in volume 14, issue 159, pages 45-52

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

Published in Rhodora, in 1919, in volume 21, issue 243, pages 68

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

Published in Zoologica, in 1938, in volume 23, issue 6, pages 191-193

Created: 2016-11-07, modified: 2016-11-07

Published in Botanical Gazette, in 1893, in volume 18, issue 10, pages 378-382

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

Published in Botanical Gazette, in 1895, in volume 20, issue 6, pages 269-271

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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

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Published in Proc. Biol. Soc. Wash., in 1918, in volume 31, pages 15-20

Created: 2011-05-03, modified: 2011-06-21

Published in Copeia, in 1915, in volume 20, pages 24

Created: 2013-03-07, modified: 2013-03-08

Published in Copeia, in 1915, in volume 19, pages 12-13

Created: 2013-03-07, modified: 2013-03-08

Published in The Auk, in 1918, in volume 35, pages 492-493

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

Published in Torreya, in 1914, in volume 14, issue 4, pages 55-64

Created: 2022-12-14, modified: 2022-12-14

Published in Ibis, in 1914, in volume 2, issue 2, pages 315-317

Created: 2024-03-20, modified: 2024-03-20

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

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

Published in Copeia, in 1917, in volume 45, pages 59-60

Created: 2013-03-07, modified: 2013-03-08

Published in Copeia, in 1915, in volume 21, pages 27-28

Created: 2013-03-07, modified: 2013-03-08

Published in The Auk, in 1914, in volume 31, pages 100

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

Published in The Auk, in 1916, in volume 33, pages 320-321

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

Published in Rhodora, in 1935, in volume 37, issue 438, pages 227-228

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

Published in Rhodora, in 1936, in volume 38, issue 450, pages 240

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

Published in Torreya, in 1913, in volume 13, issue 5, pages 89-112

Created: 2022-12-14, modified: 2022-12-14

Published in Torreya, in 1921, in volume 21, issue 3, pages 50-52

Created: 2022-12-14, modified: 2022-12-14

Published in Torreya, in 1921, in volume 21, issue 4, pages 65-66

Created: 2022-12-14, modified: 2022-12-14

Published in Torreya, in 1913, in volume 13, issue 9, pages 199-215

Created: 2022-12-14, modified: 2022-12-14

Published in Torreya, in 1915, in volume 15, issue 8, pages 181-182

Created: 2022-12-14, modified: 2022-12-14

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 Auk, in 1914, in volume 31, pages 388-390

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

Published in The Auk, in 1908, in volume 25, pages 86

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