Asa Gray
![Gray in the 1870s](https://upload.wikimedia.org/wikipedia/commons/c/c4/Asa_Gray_1870s.jpg)
As a professor of botany at Harvard University for several decades, Gray regularly visited, and corresponded with, many of the leading natural scientists of the era, including Charles Darwin, who held great regard for him. Gray made several trips to Europe to collaborate with leading European scientists of the era, as well as trips to the southern and western United States. He also built an extensive network of specimen collectors.
A prolific writer, he was instrumental in unifying the taxonomic knowledge of the plants of North America. Of Gray's many works on botany, the most popular was his ''Manual of the Botany of the Northern United States, from New England to Wisconsin and South to Ohio and Pennsylvania Inclusive'', known today simply as ''Gray's Manual''. Gray was the sole author of the first five editions of the book and co-author of the sixth, with botanical illustrations by Isaac Sprague. Further editions have been published, and it remains a standard in the field. Gray also worked extensively on a phenomenon that is now called the "Asa Gray disjunction", namely, the surprising morphological similarities between many eastern Asian and eastern North American plants. Several structures, geographic features, and plants have been named after Gray.
In 1848, Gray was elected as a member of the American Philosophical Society. Provided by Wikipedia
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6by Christina A. Kellogg, Dawn B. Goldsmith, Michael A. GrayGet access
Published in Frontiers in Microbiology (2017)
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9by D. Jardine, Timothy, A. Gray, Michelle, M. McWilliam, Sherisse, A. Cunjak, RichardGet access
Published in Transactions of the American Fisheries Society (2005)
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11by Michelle A. Gray, R. Allen Curry, Tim J. Arciszewski, Kelly R. Munkittrick, Sandra M. BrasfieldGet access
Published in FACETS (2018)
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12by Michelle A. Gray, R. Allen Curry, Tim J. Arciszewski, Kelly R. Munkittrick, Sandra M. BrasfieldGet access
Published in FACETS (2018)
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13by Michael D. King, Steven Platnick, Ping Yang, G. Thomas Arnold, Mark A. Gray, Jérôme C. Riedi, Steven A. Ackerman, Kuo-nan LiouGet access
Published 2003
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14by Ibne Karim M Ali, Rashidul Haque, Abdullah Siddique, Mamun Kabir, Nicholas E Sherman, Sean A Gray, Gerard A Cangelosi, William A PetriGet access
Published in PLoS Neglected Tropical Diseases (2012)
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15by Ivor Williams, Coral Reef Ecosystem Program, Paula Ayotte, Kaylyn McCoy, Adel Heenan, Jill Zamzow, A. Heenan, P. Ayotte, A. Gray, K. Lino, K. McCoy, J. Zamzow, I. Williams, J. Asher, K. GorospeGet access
Published 2017
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16by Ivor Williams, Coral Reef Ecosystem Program, Paula Ayotte, Kaylyn McCoy, Adel Heenan, Jill Zamzow, A. Heenan, P. Ayotte, A. Gray, K. Lino, K. McCoy, J. Zamzow, I. Williams, J. Asher, K. GorospeGet access
Published 2017
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19by 82 V. Leiffers, J. CampbellContributors: “...(Linnaeus) A. Gray...”
Published 1981
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20by 5667 D. Coxson, D. TooleContributors: “...(Graham) A. Gray...”
Published 1978
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