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Published in The Wilson Bulletin, in 1903, in volume 15, issue 3, pages 91-93

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Published in The Wilson Bulletin, in 1915, in volume 27, issue 3, pages 403-407

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Published in The Wilson Bulletin, in 1917, in volume 29, issue 1, pages 30-32

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Published in The Wilson Bulletin, in 1906, in volume 18, issue 3, pages 92-94

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Published in Palaeontology, in 1990, in volume 33, issue 3, pages 613-622

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Published in Proceedings of The Biological Society of Washington, in 1934, in volume 47, pages 91-92

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Published in Asa Gray correspondence. Senders Ga-Go, 1835-1891 (inclusive), in 1872, pages 1-2

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Published in Asa Gray correspondence. Senders Ga-Go, 1835-1891 (inclusive), pages 1-2

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Published in Rhodora, in 1968, in volume 70, issue 783, pages 439-441

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Published in Nautilis, in 1941, in volume 54, pages 75-77

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Published in Phytologia, in 1979, in volume 41, issue 7, pages 447-448

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Published in Madroño, in 1949, in volume 10, issue 4, pages 108-110

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Published in Rhodora, in 1938, in volume 40, issue 470, pages 76

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Published in Rhodora, in 1970, in volume 72, issue 792, pages 460-479

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Published in Entomological News, in 1957, in volume 68, pages 85-88

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Published in Rhodora, in 1972, in volume 74, issue 800, pages 495-516

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Published in Madroño, in 1975, in volume 23, issue 3, pages 153-159

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Published in The Canadian Entomologist, Ontario, in 1880, in volume 12, pages 148-152

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Published in Botanical Gazette, in 1881, in volume 6, issue 10, pages 274-279

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Published in Rhodora, in 1964, in volume 66, pages 406-07

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