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Published in Asa Gray correspondence. Senders A, in 1876, pages 1-2

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Published in The Coleopterists Bulletin, in 1959, in volume 13, issue 4, pages 101

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Published in Annals of the Missouri Botanical Garden, in 1954, in volume 41, pages 329-338

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Published in The Auk, in 1904, in volume 21, pages 91-92

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Published in The Wilson Bulletin, in 1973, in volume 85, issue 2, pages 197-208

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Published in Bulletin of Carnegie Museum of Natural History, in 1978, in volume 11, pages 1-67

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Published in The Wilson Bulletin, in 1974, in volume 86, issue 1, pages 1-11

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Published in Torreya, in 1908, in volume 8, issue 12, pages 287-292

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