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Buds, Leaves, and Global Warming Project Tree Species

This is a field guide for an education project at the Harvard Forest.

Red Maple 1
Acer rubrum
Box Elder 2
Acer negundo
Norway Maple 3
Acer platanoides
Sugar Maple 4
Acer saccharum
Striped Maple 5
Acer pensylvanicum
Prickly Ash 6
Zanthoxylum americanum

Edited by Marie Studer, some rights reserved (CC BY-SA)

Photo Credits

  • 1. (c) Virens (Latin for greening), some rights reserved (CC BY-NC-ND)
  • 2. (c) Salomé, some rights reserved (CC BY-NC-SA)
  • 3. (c) Marylise Doctrinal, some rights reserved (CC BY-NC-ND)
  • 4. (c) Maggie, some rights reserved (CC BY-NC)
  • 5. (c) homeredwardprice, some rights reserved (CC BY)
  • 6. (c) Dan Mullen, some rights reserved (CC BY-NC-ND)

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