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Published in Torreya, in 1925, in volume 25, issue 5, pages 89-91
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Published in Torreya, in 1928, in volume 28, issue 6, pages 107-109
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Published in Torreya, in 1901, in volume 1, issue 8, pages 85-94
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Published in Botanical Gazette, in 1921, in volume 71, issue 5, pages 392-398
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Published in Torreya, in 1902, in volume 2, issue 3, pages 43-45
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Published in Torreya, in 1924, in volume 24, issue 6, pages 102-104
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Published in Torreya, in 1901, in volume 1, issue 7, pages 82-84
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Published in American Fern Journal, in 1911, in volume 1, pages 75-77
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Published in Torreya, in 1908, in volume 8, issue 1, pages 9-12
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Published in Torreya, in 1924, in volume 24, issue 5, pages 83-86
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Published in Torreya, in 1908, in volume 8, issue 6, pages 138-141
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Published in Torreya, in 1916, in volume 16, issue 10, pages 211-225
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Published in Botanical Gazette, in 1890, in volume 15, issue 6, pages 151
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Published in Memoirs of The Torrey Botanical Club, in 1890, in volume 2, issue 2, pages 27-56
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Published in Memoirs of The Torrey Botanical Club, in 1902, in volume 8, issue 3, pages 185-211
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Published in Torreya, in 1916, in volume 16, issue 8, pages 182-183
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Published in Torreya, in 1904, in volume 4, issue 11, pages 170-176
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Published in Botanical Gazette, in 1920, in volume 69, issue 3, pages 237-247
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Published in Botanical Gazette, in 1920, in volume 70, issue 3, pages 211-220
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Published in Torreya, in 1907, in volume 7, issue 6, pages 118-123
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Published in Torreya, in 1906, in volume 6, issue 8, pages 157-165
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Published in Scopus, in 1977, in volume 1, pages 68-70
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Published in Asa Gray correspondence. Senders Br-Bz, in 1887, pages 1-2
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Published in Asa Gray correspondence. Senders Br-Bz, in 1882, pages 1-2
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Published in Asa Gray correspondence. Senders Br-Bz, in 1888, pages 1-2
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Published in Asa Gray correspondence. Senders Br-Bz, in 1888, pages 1-2
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Published in Journal of entomology and zoology, in 1914, in volume 6, pages 84-85
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Published in Scopus, in 1977, in volume 1, pages 48-49
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Published in Biol Bull, in 1968, in volume 135, pages 273-278
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Published in Scopus, in 1977, in volume 1, pages 86
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Published in Asa Gray correspondence. Senders Br-Bz, in 1891, pages 1
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Published in Asa Gray correspondence. Senders Br-Bz, in 1890, pages 1-2
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Published in Asa Gray correspondence. Senders Br-Bz, in 1890, pages 1
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Published in Asa Gray correspondence. Senders Br-Bz, in 1890, pages 1
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Published in Asa Gray correspondence. Senders Br-Bz, in 1891, pages 1-2
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Published in Asa Gray correspondence. Senders Br-Bz, in 1891, pages 1
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Published in Asa Gray correspondence. Senders Br-Bz, in 1891, pages 1-2
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Published in Asa Gray correspondence. Senders Br-Bz, in 1890, pages 1
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Published in Asa Gray correspondence. Senders Br-Bz, in 1890, pages 1
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Published in Asa Gray correspondence. Senders Br-Bz, in 1890, pages 1
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Published in Asa Gray correspondence. Senders Br-Bz, in 1890, pages 1
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Published in Asa Gray correspondence. Senders Br-Bz, in 1891, pages 1
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Published in Asa Gray correspondence. Senders Br-Bz, in 1882, pages 1-2
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Published in Asa Gray correspondence. Senders Br-Bz, in 1884, pages 1-3
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Published in Asa Gray correspondence. Senders Br-Bz, in 1884, pages 1
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Published in Asa Gray correspondence. Senders Br-Bz, in 1888, pages 1
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Published in Asa Gray correspondence. Senders Br-Bz, in 1888, pages 1-2
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