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Published in Proceedings of the Biological Society of Washington, in 1903, in volume 16, pages 102

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Published in Botanical Gazette, in 1879, in volume 4, issue 2, pages 128

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Published in Botanical Gazette, in 1880, in volume 5, issue 1, pages 5-10

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Published in Nautilis, in 1933, in volume 46, pages 123-124

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Published in Cryptogamie. Mycologie, in 1995, in volume 16, issue 3, pages 195-221

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Published in Botanical Gazette, in 1892, in volume 17, issue 11, pages 348-352

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Published in Pan-Pacific Entomologist, in 1969, in volume 45, pages 216-221

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Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 136-139

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Published in Canadian Entomologist, in 1902, in volume 34, pages 177-178

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Published in Canadian Entomologist, in 1904, in volume 36, pages 181-188

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Published in The Victorian Naturalist, in 1889, in volume 6, issue 6, pages 98-103

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Published in Rhodora, in 1941, in volume 43, issue 509, pages 208-211

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Published in Rhodora, in 1928, in volume 30, issue 356, pages 155-157

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Published in Botanical Gazette, in 1913, in volume 55, issue 5, pages 405-407

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Published in Botanical Gazette, in 1917, in volume 64, issue 6, pages 528

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Published in Torreya, in 1901, in volume 1, issue 9, pages 108-109

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Published in Canadian Entomologist, in 1915, in volume 47, pages 387-395

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Published in Scopus, in 2007, in volume 26, pages 39-40

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Published in Nautilis, in 1935, in volume 49, pages 48-49

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Published in Journal of South African Botany, in 1936, in volume 2, pages 47-64

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Published in Journal of South African Botany, in 1940, in volume 6, pages 1-10

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Published in Journal of Raptor Research, in 1991, in volume 25, issue 1, pages 9-17

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