Quercus macrocarpa, also known as the mossycup oak, is a species of oak native to North America. It is known for its large acorn nuts with deep fringe cups (the top of the acorn) and long lifespan (up to 400 years).
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.
Bur Oak Phenophase Guide (1)
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