Published in Phytologia, in 1980, in volume 45, issue 4, pages 356

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Published in American Fern Journal, in 1985, in volume 75, pages 128-132

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Published in American Fern Journal, in 1999, in volume 89, pages 221-231

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Published in American Fern Journal, in 1989, in volume 79, pages 55-64

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Published in American Fern Journal, in 2002, in volume 92, pages 185-213

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Published in Journal für Ornithologie, in 1889, in volume 37, pages 160-177

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Published in Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin, in 1918, in volume 1918, issue 9, pages 327-345

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Published in Deutsche Entomologische Zeitschrift, in 1885, in volume 1885, issue 2, pages 349-352

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Published in Deutsche Entomologische Zeitschrift, in 1887, in volume 1886, issue 2, pages 301-304

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Published in The Wilson Bulletin, in 1999, in volume 111, issue 2, pages 294

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Published in Asa Gray correspondence. Senders B-Ba, in 1891, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1891, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1891, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1891, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1890, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1890, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1890, pages 1-3

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Published in Asa Gray correspondence. Senders B-Ba, in 1890, pages 1-3

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Published in Asa Gray correspondence. Senders B-Ba, in 1891, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1888, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1890, pages 1-3

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Published in Asa Gray correspondence. Senders B-Ba, in 1890, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1888, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1890, pages 1-2

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Published in Asa Gray correspondence. Senders B-Ba, in 1891, pages 1

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Published in Nachrichtsblatt der Deutschen Malakozoologischen Gesellschaft, in 1869, in volume 1, pages 179-181

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Published in Sitzungsberichte der Akademie der Wissenschaften mathematisch-naturwissenschaftliche Klasse, in 1874, in volume 69, pages 605-657

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Published in The Auk, in 1918, in volume 35, pages 233-234

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Published in Botanical Gazette, in 1886, in volume 11, issue 1, pages 1-6

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Published in Copeia, in 1915, in volume 19, pages 11-12

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Published in The Auk, in 1906, in volume 23, pages 99-100

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Published in Botanical Gazette, in 1887, in volume 12, issue 7, pages 150-152

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Published in Botanical Gazette, in 1896, in volume 22, issue 1, pages 55-56

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Published in The Auk, in 1888, in volume 5, pages 207-208

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Published in Deutsche Entomologische Zeitschrift, in 1887, in volume 1887, issue 1, pages 159-160

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Published in The Auk, in 1913, in volume 30, pages 581

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Published in Veliger, in 1962, in volume 5, pages 78-79

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Published in The Auk, in 1905, in volume 22, pages 146-158

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Published in The Wilson Bulletin, in 1979, in volume 91, issue 4, pages 583-591

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Published in Botanical Gazette, in 1889, in volume 14, issue 2, pages 44-45

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Published in Asa Gray correspondence. Senders Ga-Go, 1835-1891 (inclusive), in 1851, pages 1-3

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Published in Mycotaxon, in 1985, in volume 23, pages 507

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Published in The Auk, in 1905, in volume 22, pages 273-288

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

Published in The Wilson Bulletin, in 1966, in volume 78, issue 2, pages 208-224

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

Published in The Wilson Bulletin, in 1978, in volume 90, issue 3, pages 376-385

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Published in Madroño, in 1974, in volume 22, issue 7, pages 376

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Published in Alytes, in 1996, in volume 14, issue 3, pages 122-126

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Published in Biol Bull, in 1948, in volume 94, pages 29-32

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

Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 57-62

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

Published in Bull Brit Ornithol Club, in 1961, in volume 81, pages 78-81

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