with . . .

twigs=SQUARE w/corky wings;  bark=breaks into plates;  seed is ½ length of helicopter wide wing   >   blue ash Fraxinus quadrangulata

OR they are NOT, but with . . .
leaf scar shape=horseshoe;  bark=ridged w/diamond-shapes   >   white ash Fraxinus americana

OR they are NOT ( leaf scar shape=semicircle or ⬬ oval), but with . . .
twigs=rusty hairy;  buds=rusty hairy;  outer-bark inner-face=reddish   >   red ash Fraxinus pennsylvanica

OR they are NOT, but with . . .
buds=near-black;  bark=smooth can-be-rubbed-off   >   black ash Fraxinus nigra

OR they are NOT, but with . . .
buds=red-brown;  bark=ridged firm;  leaf scar shape=D   >   red ash variant green ash Fraxinus pennsylvanica

Learn more about ash genus Fraxinus

Discover Life Encyclopedia of Life Google Google images Michigan Flora USDA PLANTS db Wikipedia

Uses by native peoples
(Ethnobotany database)