Black ash and Brown ash

Black ash noun - Vigorous spreading North American tree having dark brown heavy wood; leaves turn gold in autumn.

Brown ash is a synonym for black ash. In some cases you can use "Brown ash" instead a noun phrase "Black ash".

Brown ash noun - Vigorous spreading North American tree having dark brown heavy wood; leaves turn gold in autumn.

Black ash is a synonym for brown ash. You can use "Black ash" instead a noun phrase "Brown ash".