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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.

black ash 1
Fraxinus nigra
Green Ash 2
Fraxinus pennsylvanica
Common Lilac 3
Syringa vulgaris
White Ash 4
Fraxinus americana

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

Photo Credits

  • 1. (c) Eli Sagor, some rights reserved (CC BY-NC)
  • 2. (c) Matt Lavin, some rights reserved (CC BY-SA)
  • 3. (c) Eva Ekeblad, some rights reserved (CC BY-NC-SA)
  • 4. (c) Ross, some rights reserved (CC BY-NC-SA)

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