Published in American Fern Journal, in 1997, in volume 87, pages 153
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Published in The Auk, in 1914, in volume 31, pages 548
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Published in Nautilis, in 1912, in volume 25, pages 111-114
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Published in Torreya, in 1921, in volume 21, issue 5, pages 76-79
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Published in The Auk, in 1904, in volume 21, pages 234-250
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Published in Rhodora, in 1989, in volume 91, issue 865, pages 6-9
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Published in Mycologia, in 1919, in volume 11, issue 4, pages 202-215
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Published in Mycologia, in 1921, in volume 13, issue 2, pages 101-110
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Published in Mycologia, in 1914, in volume 6, issue 5, pages 240-258
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Published in Rhodora, in 1978, in volume 80, issue 821, pages 1-91
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Published in Torreya, in 1913, in volume 13, issue 10, pages 237-241
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Published in Rhodora, in 1983, in volume 85, issue 843, pages 325-341
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Published in Proceedings of The American Philosophical Society, in 1887, in volume 24, issue 126, pages 287-295
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Published in Rhodora, in 1992, in volume 94, issue 878, pages 171-209
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Published in Rhodora, in 1999, in volume 101, issue 905, pages 28-39
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Published in Bulletins de la Société Malacologique de France, in 1887, in volume 4, pages 1-48
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Published in Rhodora, in 1975, in volume 77, issue 811, pages 438-439
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Published in Rhodora, in 1979, in volume 81, issue 825, pages 123-129
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Published in The Wilson Bulletin, in 2005, in volume 117, issue 2, pages 206-207
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Published in Proceedings of the Entomological Society of Washington, in 1922, in volume 24, pages 58-64
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1891, in volume 43, pages 455
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Published in Journal of the Academy of Natural Sciences, Philadelphia, in 1884, in volume 9, pages 17-114
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Published in Muelleria, in 1998, in volume 11, pages 101-111
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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1879, in volume 31, pages 31
Created: 2013-03-02, modified: 2013-03-02
Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1873, in volume 25, pages 232
Created: 2013-03-02, modified: 2013-03-02
Published in Proceedings of The Zoological Society of London, in 1887, in volume 1887, pages 284-316
Created: 2012-10-01, modified: 2012-10-01
Published in Proceedings of The Zoological Society of London, in 1887, in volume 1887, pages 164-189
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Published in Biol Bull, in 1944, in volume 86, pages 169-191
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1921, pages 1-0
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Published in Journal of Conchology, in 1880, in volume 3, pages 1-73
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Published in Raptor Research, in 1986, in volume 20, issue 2, pages 71-74
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1952, in 1884, pages 1-7
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1927, in 1878, pages 1-0
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1901, in 1867, pages 1-0
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1899, in 1860, pages 1-0
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1897, in 1860, pages 1-0
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1895, in 1859, pages 1-0
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1923, in 1874, pages 1-0
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1917, in 1873, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in Michael Schuck Bebb letters to Asa Gray, 1859-1913, in 1873, pages 1-2
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1971, in 1885, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in Michael Schuck Bebb letters to Asa Gray, 1859-1907, in 1871, pages 1-0
Created: 2017-06-24, modified: 2017-06-24
Published in Michael Schuck Bebb letters to Asa Gray, 1859-1905, in 1871, pages 1-0
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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1925, in 1875, pages 1-0
Created: 2017-06-24, modified: 2017-06-24
Published in Michael Schuck Bebb letters to Asa Gray, 1859-1903, in 1870, pages 1-0
Created: 2017-06-24, modified: 2017-06-24
Published in Michael Schuck Bebb letters to Asa Gray, 1859-1910, in 1873, pages 1
Created: 2017-06-24, modified: 2017-06-24
Published in Michael Schuck Bebb letters to Asa Gray, 1859-1990, in 1887, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in Michael Schuck Bebb letters to Asa Gray, 1859-1975, in 1886, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in Michael Schuck Bebb letters to Asa Gray, 1859-1979, in 1886, pages 1-2
Created: 2017-06-24, modified: 2017-06-24
Published in Michael Schuck Bebb letters to Asa Gray, 1859-1983, in 1886, pages 1-3
Created: 2017-06-24, modified: 2017-06-24