Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1889, in volume 41, pages 156-158

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Published in Proceedings of the Academy of Natural Sciences of Philadelphia, in 1889, in volume 41, issue 2, pages 280-281

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Published in Rhodora, in 1912, in volume 14, issue 159, pages 53-54

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Published in Kirtlandia, in 2006, in volume 55, pages 1-42

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

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Published in Proceedings of The Academy of Natural Sciences of Philadelphia, in 1889, in volume 41, pages 188-189

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Published in Ibis, in 1900, in volume 6, issue 4, pages 573-606

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Published in Proceedings of The Zoological Society of London, in 1913, in volume 1913, pages 855-860

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Published in The Auk, in 1889, in volume 6, pages 72-74

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Published in Journal of The Royal Society of Western Australia, in 2014, in volume 97, issue 1, pages 97-109

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Published in Proceedings of The Biological Society of Washington, in 2000, in volume 113, pages 356-368

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Published in Proceedings of The Biological Society of Washington, in 2001, in volume 114, pages 509-516

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Published in Torreya, in 1943, in volume 43, issue 1, pages 2-3

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Published in Botanical Gazette, in 1916, in volume 62, issue 4, pages 331-332

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Published in Torreya, in 1914, in volume 14, issue 1, pages 1-2

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Published in Torreya, in 1921, in volume 21, issue 3, pages 47-50

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Published in Torreya, in 1904, in volume 4, issue 4, pages 52-56

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Published in Proceedings of The Biological Society of Washington, in 1990, in volume 103, pages 608-613

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Published in Treubia, in 1923, in volume 3, pages 230-242

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Published in The Auk, in 1909, in volume 26, pages 436-437

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Published in Treubia, in 1921, in volume 1, pages 277-291

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Published in Treubia, in 1921, in volume 1, pages 292-300

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Published in Treubia, in 1923, in volume 3, pages 277-380

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Published in Rhodora, in 1905, in volume 7, issue 79, pages 140

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Published in Botanical Gazette, in 1879, in volume 4, issue 8, pages 192

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Published in Botanical Gazette, in 1919, in volume 67, issue 4, pages 366-368

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Published in Pan-Pacific Entomologist, in 1927, in volume 3, pages 136-138

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Published in The Auk, in 1912, in volume 29, pages 538

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in 1887, pages 1-2

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Published in Gardens' Bulletin, in 1960, in volume 17, issue 3, pages 341-349

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Published in Rhodora, in 1900, in volume 2, issue 20, pages 173-179

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Published in Rhodora, in 1925, in volume 27, issue 313, pages 11-14

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Published in Pan-Pacific Entomologist, in 1930, in volume 7, pages 27-34

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Published in Pan-Pacific Entomologist, in 1944, in volume 20, pages 1-6

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Published in Pan-Pacific Entomologist, in 1928, in volume 4, pages 129-132

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Published in Torreya, in 1906, in volume 6, issue 3, pages 50-51

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Published in Torreya, in 1911, in volume 11, issue 4, pages 77-84

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Published in Torreya, in 1909, in volume 9, issue 9, pages 177-184

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Published in Proceedings of The Biological Society of Washington, in 1962, in volume 75, pages 41-46

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Published in The Auk, in 1892, in volume 9, pages 299-300

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Published in Veliger, in 1973, in volume 15, pages 254-256

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Published in Rhodora, in 1907, in volume 9, issue 104, pages 147-148

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Published in Rhodora, in 1922, in volume 24, issue 284, pages 145-148

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