Ash Tree Identification Guide

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David L. Roberts, Ph.D.
Michigan State University Extension

Ash Identification Guide:
Ash trees (Fraxinus species) are easily identified if several simple factors are understood. Ash is unique from other trees because of the following distinctive characteristics: opposite branching and compound leaf according to the following descriptions of pictures. Remember, mountain ash (Sorbus) is not a true ash (Fraxinus), and is not affected by the Emerald Ash Borer.

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