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Abies concolor (Hook.) Nutt. (white fir), bark is smooth on young stems but 4 to 7" thick on old trunks ashy gray and divided by deep irregular furrows into thick horny flattened ridges
Copyright restrictions applying to use or reproduction of this image are available from the Sterling Morton Library, The Morton Arboretum. For more information, please visit our ABOUT section or complete and submit this form.