Published in Proceedings of the Biological Society of Washington, in 1935, in volume 48, pages 143-146
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Published in The Wilson Bulletin, in 1927, in volume 39, issue 2, pages 91-105
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Published in Proceedings of the California Academy of Sciences, in 1944, in volume 23, pages 555-560
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Published in University of Kansas publications, Museum of Natural History, in 1960, in volume 14, issue 14, pages 165-362
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Published in The Great Basin Naturalist, in 1941, in volume 2, pages 105-108
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Published in University of Kansas Publications of the Museum of Natural History, in 1952, in volume 5, issue 23, pages 293-312
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Published in University of Kansas Publications of the Museum of Natural History, in 1961, in volume 14, pages 69-72
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Published in Occasional Papers of the Royal Ontario Museum of Zoology, in 1968, in volume 11, pages 1-5
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Published in Publications of the Museum of Natural History University of Kansas, in 1954, in volume 7, issue 11, pages 587-590
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Published in Botanical Gazette, in 1878, in volume 3, issue 4, pages 38
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Published in Nautilis, in 1906, in volume 19, pages 101-102
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Published in Publications of the Museum of Natural History University of Kansas, in 1962, in volume 14, issue 10, pages 135-138
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Published in Rhodora, in 1980, in volume 82, issue 829, pages 131-140
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Published in Madroño, in 1980, in volume 27, issue 1, pages 16
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Published in Proceedings of The American Philosophical Society, in 1915, in volume 54, issue 216, pages 47-51
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Published in Proceedings of The Biological Society of Washington, in 1938, in volume 51, pages 15-16
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Published in Proceedings of The Biological Society of Washington, in 1927, in volume 40, pages 193-194
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Published in Proceedings of The Biological Society of Washington, in 1932, in volume 45, pages 139-140
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Published in Proceedings of The Biological Society of Washington, in 1941, in volume 54, pages 55-61
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Published in Proceedings of The American Philosophical Society, in 1875, in volume 14, issue 95, pages 633-634
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Published in Torreya, in 1937, in volume 37, issue 3, pages 63-65
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Published in Madroño, in 1985, in volume 32, issue 4, pages 225-252
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Published in Asa Gray correspondence. Senders Ha, 1835-1895 (inclusive), in 1873, pages 1-2
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Published in Asa Gray correspondence. Senders Ha, 1835-1895 (inclusive), in 1873, pages 1-2
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Published in Asa Gray correspondence. Senders Ha, 1835-1895 (inclusive), in 1873, pages 1-2
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Published in Asa Gray correspondence. Senders Ha, 1835-1895 (inclusive), pages 1-2
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Published in Asa Gray correspondence. Senders Ha, 1835-1895 (inclusive), in 1863, pages 1-2
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Published in Asa Gray correspondence. Senders Ha, 1835-1895 (inclusive), in 1864, pages 1-2
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Published in Asa Gray correspondence. Senders Ha, 1835-1895 (inclusive), in 1862, pages 1-2
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Published in Asa Gray correspondence. Senders Ha, 1835-1895 (inclusive), in 1871, pages 1-2
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Published in Asa Gray correspondence. Senders Ha, 1835-1895 (inclusive), in 1871, pages 1-2
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Published in Asa Gray correspondence. Senders Ha, 1835-1895 (inclusive), in 1873, pages 1-2
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Published in Asa Gray correspondence. Senders Ha, 1835-1895 (inclusive), in 1862, pages 1-2
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Published in Asa Gray correspondence. Senders Ha, 1835-1895 (inclusive), in 1863, pages 1-2
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Published in Asa Gray correspondence. Senders Ha, 1835-1895 (inclusive), in 1873, pages 1-2
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Published in BULL BROOKLYN ENT SOC, in 1954, in volume 49, issue 1, pages 23-24
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Published in American Fern Journal, in 1980, in volume 70, pages 93-95
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Published in Proceedings of The Biological Society of Washington, in 1938, in volume 51, pages 67-68
Created: 2011-07-31, modified: 2011-07-31
Published in Proceedings of The Biological Society of Washington, in 1934, in volume 47, pages 51-56
Created: 2011-07-31, modified: 2011-07-31
Published in Gulf Research Reports, in 1965, in volume 2, issue 1, pages 1-71
Created: 2017-01-30, modified: 2017-01-30