Fraxinus pennsylvanica, also known as a red ash due to its red-brown winter buds, is native to Eastern and Central North America, from Nova Scotia to Florida. It has compound leaves with seven to nine leaflets. The tree is threatened by the emerald ash borer beetle, an invasive insect from Asia. Wikipedia
You can help scientists understand how climate change is impacting this species by using the phenophase guide below to observe its lifecycle in Nature's Notebook.
Green-Ash-Phenophase-Photoguide-Sp21
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