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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), pages 1

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Published in Rhodora, in 1904, in volume 6, issue 66, pages 145-146

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Published in Rhodora, in 1932, in volume 34, issue 408, pages 247-249

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Published in Botanical Gazette, in 1886, in volume 11, issue 2, pages 43

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), pages 1-2

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Published in Nautilis, in 1943, in volume 56, pages 97-99

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Published in Rhodora, in 1903, in volume 5, issue 60, pages 286

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Published in Rhodora, in 1934, in volume 36, issue 424, pages 132

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1884, pages 1-2

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Published in Rhodora, in 1942, in volume 44, issue 520, pages 93-97

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Published in Rhodora, in 1904, in volume 6, issue 67, pages 149-150

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Published in Rhodora, in 1910, in volume 12, issue 133, pages 13

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), pages 1-2

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Published in Rhodora, in 1904, in volume 6, pages 41-42

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Published in Rhodora, in 1908, in volume 10, pages 37-38

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Published in Rhodora, in 1902, in volume 4, issue 45, pages 179-180

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Published in Rhodora, in 1909, in volume 11, issue 122, pages 32

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Published in Rhodora, in 1909, in volume 11, issue 121, pages 15-16

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Published in Rhodora, in 1921, in volume 23, issue 265, pages 27

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Published in Palaeontology, in 1961, in volume 4, issue 1, pages 85-86

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1881, pages 1

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1887, pages 1-2

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1889, pages 1-2

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Published in Asa Gray correspondence. Senders J, 1844-1891 (inclusive), in 1888, pages 1

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Published in Rhodora, in 1906, in volume 8, issue 91, pages 131-135

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Published in Rhodora, in 1934, in volume 36, issue 422, pages 60

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Published in Palaeontology, in 1981, in volume 24, issue 4, pages 733-758

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Published in Rhodora, in 1942, in volume 44, issue 520, pages 98-147

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Published in Rhodora, in 1930, in volume 32, issue 380, pages 145-146

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Published in Rhodora, in 1899, in volume 1, issue 2, pages 33-36

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Published in Rhodora, in 1903, in volume 5, issue 56, pages 199-201

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Published in Rhodora, in 1908, in volume 10, issue 112, pages 71-72

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Published in Rhodora, in 1924, in volume 26, issue 311, pages 220

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Published in Rhodora, in 1902, in volume 4, issue 43, pages 154

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Published in Rhodora, in 1901, in volume 3, issue 30, pages 181-184

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Published in Rhodora, in 1910, in volume 12, issue 144, pages 221-224

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Published in Asa Gray correspondence. Senders A, in 1849, pages 1-3

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Published in Entomologist's Record and Journal of Variation, in 2005, in volume 117, issue 3, pages 133-137

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Published in Asa Gray correspondence. Senders Ca-Cl, in 1866, pages 1-3

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Published in Madroño, in 1958, in volume 14, issue 8, pages 249-251

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Published in Palaeontology, in 1978, in volume 21, issue 4, pages 957-981

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Published in Rhodora, in 1920, in volume 22, issue 257, pages 96

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Published in Asa Gray correspondence. Senders Ca-Cl, in 1866, pages 1-2

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Published in Breviora, in 1971, in volume 370, pages 1-6

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Published in The Auk, in 1884, in volume 1, pages 380-381

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Published in Asa Gray correspondence. Senders E, 1838-1898 (inclusive), in 1842, pages 1

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