Published in Phytologia, in 2009, in volume 91, issue 1, pages 3-17

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Published in Phytoneuron, in 2013, in volume 2013-23, pages 1

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Published in Torreya, in 1926, in volume 26, issue 5, pages 99-100

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Published in Torreya, in 1912, in volume 12, issue 9, pages 201-208

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Published in Torreya, in 1934, in volume 34, issue 3, pages 57-74

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Published in Rhodora, in 1951, in volume 53, issue 634, pages 229-240

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Published in The Auk, in 1904, in volume 21, pages 300-301

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Published in Botanical Gazette, in 1896, in volume 21, issue 1, pages 26-33

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Published in Botanical Gazette, in 1920, in volume 69, issue 3, pages 270

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Published in The Wilson Bulletin, in 1903, in volume 15, issue 4, pages 113

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Published in Phytoneuron, in 2014, in volume 2014-83, pages 1-11

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Published in Phegea, in 1992, in volume 20, issue 4, pages 155-159

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Published in Madroño, in 1977, in volume 24, issue 3, pages 159-177

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Published in Biol Bull, in 1927, in volume 52, pages 161-163

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Published in Bulletin of the Brooklyn Entomological Society, in 1923, in volume 18, pages 63-67

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Published in Phytoneuron, in 2013, in volume 2013-30, pages 1-7

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Published in Rhodora, in 1901, in volume 3, issue 28, pages 87-89

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Published in Rhodora, in 1909, in volume 11, issue 132, pages 221-235

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Published in Rhodora, in 1934, in volume 36, issue 426, pages 197-214

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Published in Rhodora, in 1956, in volume 58, issue 685, pages 25-26

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Published in Botanical Gazette, in 1917, in volume 64, issue 6, pages 480-496

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1921, pages 1-0

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Published in Biol Bull, in 1968, in volume 135, pages 279-295

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Published in Nautilis, in 1942, in volume 55, pages 94-97

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Published in Memoirs of the Queensland Museum, in 1956, in volume 13, pages 125-140

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Published in Rhodora, in 1905, in volume 7, issue 79, pages 121-129

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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

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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

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1907, in 1871, pages 1-0

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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

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1903, in 1870, pages 1-0

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1910, in 1873, pages 1

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1990, in 1887, pages 1-2

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1975, in 1886, pages 1-2

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1979, in 1886, pages 1-2

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1983, in 1886, pages 1-3

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-1973, in 1886, pages 1-2

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-2125, pages 1-2

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Published in Michael Schuck Bebb letters to Asa Gray, 1859-2021, pages 1-5

Created: 2017-06-24, modified: 2017-06-24

Published in Michael Schuck Bebb letters to Asa Gray, 1859-2080, in 1890, pages 1-2

Created: 2017-06-24, modified: 2017-06-24

Published in Biological Bulletin. Marine Biological Laboratory (Woods Hole), in 1932, in volume 62, pages 77-88

Created: 2010-11-21, modified: 2011-06-21