Photographer & Copyright

© Nate Martineau

Photo Source

CC BY 4.0

Inclusion in Plant ID / Comparison Guides

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

collage of Black Ash and Green Ash

Black Ash (Fraxinus nigra) vs. Green Ash (Fraxinus pennsylvanica)

Updated March 24th, 2021

Black and green ash are sometimes confused where their ranges overlap, but they are usually easily distinguished by several different characteristics. Both are found in poorly-drained, wet habitats, but black ash occupies a later stage of succession whereas green ash is more of a pioneer species.

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collage of White Ash and Green Ash

White Ash (Fraxinus americana) vs. Green Ash (Fraxinus pennsylvanica)

Updated June 23rd, 2020

White and green ash are notoriously difficult to tell apart. White ash prefers better-drained sites with more fertile soil, but the two species often occur in the same habitat. Characteristics like leaf shape and serration are highly variable on both species; with skill though, the two species can usually be distinguished at any time of year. Some trees are easier to identify than others. Because of high variability, check multiple examples of each characteristic before drawing a conclusion.

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