Published in Annals of the Carnegie Museum, in 1903, in volume 2, pages 5-8

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Published in Rhodora, in 1957, in volume 59, issue 700, pages 95

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Published in Madroño, in 1933, in volume 2, issue 12, pages 97-100

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Published in Rhodora, in 1917, in volume 19, issue 220, pages 74-75

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Published in Torreya, in 1911, in volume 11, issue 1, pages 14-15

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Published in Rodriguésia, in 1952, in volume 15, issue 27, pages 137-162

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Published in Veliger, in 1960, in volume 3, pages 37-40

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Published in Rhodora, in 1912, in volume 14, issue 163, pages 164

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Published in Rhodora, in 1934, in volume 36, issue 421, pages 7-8

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Published in American Fern Journal, in 2008, in volume 98, pages 176-177

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Published in Botanical Gazette, in 1920, in volume 70, issue 5, pages 329-359

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Published in The Wilson Bulletin, in 1918, in volume 30, issue 1, pages 15-16

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Published in The Wilson Bulletin, in 1924, in volume 36, issue 4, pages 185-188

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Published in Madroño, in 1945, in volume 8, issue 2, pages 39-42

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Published in Torreya, in 1940, in volume 40, issue 1, pages 5-9

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Published in Torreya, in 1934, in volume 34, issue 4, pages 92-93

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Published in Victorian Naturalist, in 2007, in volume 124, issue 1, pages 45-46

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Published in Asa Gray correspondence. Senders Ca-Cl, in 1891, pages 1

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Published in Madroño, in 2011, in volume 58, issue 2, pages 113-122

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Published in Rhodora, in 1931, in volume 33, issue 386, pages 63

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Published in Botanical Gazette, in 1913, in volume 56, issue 6, pages 490-495

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Published in Botanical Gazette, in 1915, in volume 59, issue 4, pages 301-316

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Published in Botanical Gazette, in 1916, in volume 61, issue 6, pages 495-506

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Published in Botanical Gazette, in 1917, in volume 64, issue 1, pages 21-41

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Published in Botanical Gazette, in 1920, in volume 70, issue 2, pages 89-109

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Published in Memoirs of the Carnegie Museum, in 1905, in volume 2, issue 5, pages 203-224

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Published in The Wilson Bulletin, in 1934, in volume 46, issue 3, pages 137-142

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Published in Madroño, in 1941, in volume 6, issue 1, pages 21-22

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Published in Rhodora, in 1961, in volume 63, issue 749, pages 145

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Published in Rhodora, in 1940, in volume 42, issue 501, pages 344-351

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Published in Rhodora, in 1912, in volume 14, issue 167, pages 227

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Published in Rhodora, in 1963, in volume 65, issue 764, pages 318

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Published in American Fern Journal, in 1978, in volume 68, pages 76-94

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Published in American Fern Journal, in 1989, in volume 79, pages 14-25

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Published in American Fern Journal, in 1989, in volume 79, pages 103-118

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Published in Madroño, in 2012, in volume 59, pages 1

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Published in Torreya, in 1932, in volume 32, issue 3, pages 65-71

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Published in Ibis, in 1922, in volume 4, issue 3, pages 471-474

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Published in Biol Bull, in 1956, in volume 111, pages 129-152

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Published in Bulletin of The British Ornithologists' Club, in 1980, in volume 100, pages 137-141

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Published in Rhodora, in 1946, in volume 48, issue 569, pages 89-98

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Published in The Wilson Bulletin, in 1931, in volume 43, issue 2, pages 114-142

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Published in Asa Gray correspondence. Senders Ca-Cl, pages 1

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Published in Phytologia, in 1971, in volume 22, issue 2, pages 83-84

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Published in Botanical Gazette, in 1888, in volume 13, issue 2, pages 40

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Published in Botanical Gazette, in 1911, in volume 52, issue 4, pages 328

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Published in Annals of the Missouri Botanical Garden, in 1925, in volume 12, pages 381-418

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Published in The Great Basin Naturalist, in 1962, in volume 22, pages 32-53

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Published in The Wilson Bulletin, in 1930, in volume 42, issue 3, pages 213

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Published in The Wilson Bulletin, in 1931, in volume 43, issue 3, pages 190-219

Created: 2016-11-27, modified: 2016-11-27