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File:Ulmus rubra 9zz.jpg - Wikimedia Commons
naturelogblog – Page 2
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File:Ulmus rubra 8zz.jpg - Wikipedia
File:Ulmus Rubra or Ulmus Americana - panoramio.jpg - Wikimedia Commons
Ulmus rubra - Wikipedia
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File:Ulmus rubra twig and flowers.jpg - Wikimedia Commons