Trees

The bark of a Black Locust is very thick with a reddish brown color. The twigs have a zigzag shape with short, sharp prickles.

Not pictured here, but the leaves of the Black Locust have 7-19 leaflets that are 1 to 2 inches long and have an oval shape.

The bark during its younger years is dark and smooth, and later becomes rough, furrowed and a dull black.

Black Oak leaves tend to be 4 to 8 inches long with 5 to 7 pointed lobes. They are smooth on top and covered with a fuzz on the bottom.

Younger trees are smooth and grey and become dark brown or grey with rough fissures. The twigs are reddish brown with pointed orangey brown buds.

Chestnut Oak leaves are 5 to 9 inches long and have 7 to 16 rounded teeth along the edge. The top of the leaves are dark and smooth, and the bottoms are pale green.

Bark is smooth and light brown when younger, gets darker and rougher as it grows. The twigs are stout and reddish brown with green buds.

The Norway Maple's leaves have 5 to 7 spiky lobes and are dark green on top and paler on the bottom. When the stem snaps they release a milky white sap.

Younger bark is smooth and light gray or brown, becomes rough with ridges and fissures when its older. The twigs are dark brownish red with short, sharp side-shoots which gives the Pin Oak its name.

The leaves of a Pin Oak are 4 to 6 inches long and have 5 to 7 lobes. The top of the leaves are smooth and shiny, pale and hairy below.

Smooth and light gray bark during the tree's younger years, becomes dark gray and shaggy with peeling bark as it matures. The twigs of the red maple are also smooth and glossy but start green and become red as they mature.

The leaves of a Red Maple tree usually have 5 jagged lobes, a large one in the middle with 2 smaller ones on each side. The leaves are slightly red and green but take on bright reds and oranges during Autumn.

Young tree bark is smooth and grey and as it grows older it becomes loosely attached and shaggy.

The leaves usually have 5 leaflets that are dark yellow-green on top and paler underneath. The leaves also sometimes hold rounded fruit with a thick husk that, when ripe, breaks into 4 quarters and contains a white nut inside.

Smooth and light grey bark when young, rougher and dark grey/black when older. The twigs are yellow and green to red and brown with a soft coating and have a strong odor when broken. Trees of Heaven are actually from China originally and are now considered invasive among North America.

Leaves of the Tree of Heaven hold a large number of leaflets, anywhere from 11-41, and each one is 1.5 to 3 inches long.

Despite it's name, the bark of a White Oak tree is light grey with a scaly, flaky exterior. The twigs are reddish grey and have buds that produce acorns which are about 1 inch long, light brown, and have a cup like shape with a scaly, darker top containing a nut inside.

The leaves of a White Oak tree are smooth on both sides when mature, 6 to 9 inches long and 4 inches wide, have 6-10 rounded lobes with one in the middle, surrounded by following lobes on each side, and are bright green with a paler green below.