Inclusion in Plant ID / Comparison Guides

This photo is featured in 2 plant ID/comparison guides:

collage of Northern Red Oak and Jack Oak

Northern Red Oak (Quercus rubra) vs. Jack Oak (Quercus ellipsoidalis)

Updated February 15th, 2021

These two species are occasionally confused where their ranges overlap, but they can be distinguished with skill at any time of year. Northern red oak prefers richer sites and is much more shade tolerant. The two species can hybridize and form intergrades, so it may not be possible to identify all individuals.

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The other guide is not yet completed and published.