Published in Torreya, in 1918, in volume 18, issue 8, pages 157-160

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Published in Botanical Gazette, in 1921, in volume 71, issue 2, pages 131-137

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Published in Torreya, in 1921, in volume 21, issue 6, pages 98-100

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Published in Asa Gray correspondence. Senders A, in 1882, pages 1-2

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Published in Asa Gray correspondence. Senders A, in 1891, pages 1-2

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Published in Memoirs of The Torrey Botanical Club, in 1918, in volume 17, issue 2, pages 326-333

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Published in Psyche: A Journal of Entomology, in 1904, in volume 11, issue 6, pages 126

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Published in Kansas University Science Bulletin, in 1905, in volume 3, issue 6, pages 149-208

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Published in Memoirs of The Torrey Botanical Club, in 1918, in volume 17, issue 2, pages 253-261

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Published in The Wilson Bulletin, in 1897, in volume 9, issue 4, pages 63-64

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Published in The Wilson Bulletin, in 1898, in volume 10, issue 4, pages 42-43

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Published in The Wilson Bulletin, in 1897, in volume 9, issue 4, pages 21-22

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Published in Entomologist's Record and Journal of Variation, in 1977, in volume 89, issue 2, pages 30

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Published in Phytologia, in 2014, in volume 96, issue 2, pages 58-62

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Published in Madroño, in 1934, in volume 2, issue 17, pages 147-152

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Published in Psyche: A Journal of Entomology, in 1904, in volume 11, issue 5, pages 103-104

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Published in Phytologia, in 2015, in volume 97, issue 3, pages 152-163

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Published in Canadian Field-Naturalist, in 1935, in volume 49, pages 107-108

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Published in Journal of The New York Entomological Society, in 1919, in volume 27, pages 174-179

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Published in The Auk, in 1890, in volume 7, pages 346-359

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Published in Proceedings of The Biological Society of Washington, in 1997, in volume 110, pages 681-692

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Published in Phytologia, in 1993, in volume 74, issue 5, pages 413

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Published in Phytologia, in 2007, in volume 89, issue 2, pages 153-166

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Published in The Auk, in 1891, in volume 8, pages 7-16

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Published in Veliger, in 1964, in volume 6, pages 8-10

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Published in Brimleyana, in 1995, in volume 22, pages 23-29

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Published in Bull. Zool. Nom., in 1963, in volume 20, pages 98-99

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Published in Phytologia, in 2012, in volume 94, issue 2, pages 199-218

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Published in Asa Gray correspondence. Senders A, in 1871, pages 1-2

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Published in Asa Gray correspondence. Senders A, in 1874, pages 1-2

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Published in Asa Gray correspondence. Senders A, in 1886, pages 1

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Published in Phytologia, in 2004, in volume 86, pages 47-51

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Published in Entomological News, in 1972, in volume 83, pages 198-200

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Published in Journal of The New York Entomological Society, in 1908, in volume 16, pages 151-152

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Published in Phytologia, in 2014, in volume 96, issue 4, pages 260-263

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Published in Phytologia, in 2008, in volume 90, issue 2, pages 123-133

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Published in Torreya, in 1929, in volume 29, issue 1, pages 13-14

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Published in Journal of the Malacological Society of Australia, in 1975, in volume 3, issue 2, pages 89-105

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Published in Phytologia, in 2010, in volume 92, issue 2, pages 266-276

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Published in Biol Bull, in 1992, in volume 183, pages 500-502

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Published in Phytologia, in 2013, in volume 95, issue 1, pages 58-69

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Published in Phytologia, in 2019, in volume 101, issue 1, pages 38-45

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Published in Phytologia, in 2014, in volume 96, issue 1, pages 19-25

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Published in Mycotaxon, in 2015, in volume 130, issue 3, pages 783-805

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Published in Phytologia, in 2007, in volume 89, issue 2, pages 132-150

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Published in Phytologia, in 2009, in volume 91, issue 2, pages 244-250

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