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Acer saccharum (Sugar Maple)
描述: Photos of entire tree, bark, twig, leaf, flower, and fruit.
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Northeastern Area, State and Private Forestry, USDA Forest Service has a goal to provide the public and partners with timely, accurate, understandable ...
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VT Forest Biology and Dendrology offers tree identification, growth, and physiology information.
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Power transmission and other electrical products.
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Online USDA database of botanical information, images, and links on plants in the USA, including crops and invasives. Search by name, geographic distribution, or ...
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US Forest Service national headquarters website; the home page and gateway to all Forest Service websites.
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We are committed to provide services namely training, consultancy and job-work ensuring customer satisfaction by complying with the requirements of our quality ...
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Official gateway to information and online resources of Duke University, a private research university located in Durham NC, USA.
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