Trees with broad, pinnately compound leaves that are opposite of each other along the stem.

Leaves with whitish lower surface, habitat upland forest

White Ash (Faxinus americana)

 

Leaves shiny green above, green or pale and slightly hairy below, habitat stream bank or flood plain

Green Ash (Faxinus pennsylvanica)

Images of this species are not available. If you have a green ash or know of the location of one please let me know.