According to a 1998 statistical survey of Arlington trees [~4MB PDF], the following are the most common species among an estimated 24,500 street trees (percentage of total given for each).
NORWAY MAPLE (40.8%)
BLACK OAK (5.1%)
HEMLOCK species (4.2%)
AMERICAN ARBORVITAE (or WHITE CEDAR) (4.0%)
RED OAK (3.6%)
ORNAMENTAL CHERRY (3.4%)
SPRUCE species (3.0%) – 2 links
WHITE PINE (2.9%)
LINDEN species (2.9%) – 2 links
RED MAPLE (2.8%)
GREEN ASH (2.7%)
Information about many additional trees, including help with tree identification, can be found on the What Tree Is This? website created by the Ohio Public Library and Information Network and Ohio Historical Society.
