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 with narrow--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 (Fraxinus spp.)

Uses by native peoples
(Ethnobotany database)
Host to caterpillars of 136 species
of butterflies and moths, in some areas.

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