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Published in Journal of the Lepidopterists' Society, in 1967, in volume 21, issue 3, pages 185-197

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Published in Bulletin of The British Museum (Natural History) Entomology, in 1980, in volume 39, issue 4, pages 241-360

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Published in Rhodora, in 1924, in volume 26, issue 303, pages 41-47

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Published in William Marriot Canby letters to Asa Gray, 1861-1895, in 1882, pages 1-4

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Published in Phytologia, in 1998, in volume 85, issue 4, pages 280-287

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Published in PHYTOLOGIA, in 1955, in volume 5, issue 5, pages 177-183

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Published in Rhodora, in 1900, in volume 2, issue 16, pages 81-83

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Published in Rhodora, in 1901, in volume 3, issue 35, pages 270-276

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

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