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Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1851, pages 1-2
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Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1850, pages 1-2
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Published in Asa Gray correspondence : travel correspondence of Asa and Jane Gray, 1838-1869, in 1850, pages 1-2
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Published in Rhodora, in 1908, in volume 10, issue 116, pages 144
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Published in Bull. Zool. Nom., in 1952, in volume 6, pages 214
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Published in Phytologia, in 1997, in volume 83, pages 345-365
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Published in Rhodora, in 1942, in volume 44, issue 517, pages 16-18
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