Maine’s forests are a treasure trove of biodiversity, and oak trees are one of the most iconic species of trees found in the state.
Oak trees are known for their sturdy trunks, sprawling canopies, and striking fall foliage.
They are often associated with strength, longevity, and resilience, and have a rich cultural and historical significance.
Maine is home to a diverse range of oak species, each with unique features that set them apart.
In this article, we will take a closer look at 11 types of oak trees found in Maine and their distinguishing characteristics.
1.White Oak
White Oak (Quercus alba) is one of the most common oak trees found in Maine.
It is a slow-growing tree that can reach a height of up to 100 feet and a trunk diameter of up to four feet.
White Oak is known for its light-colored bark, which is scaly and ridged, and its broad, spreading canopy. Its leaves are lobed and toothed, and turn a beautiful red or reddish-brown in the fall.
2.Red Oak
Red Oak (Quercus rubra) is another popular oak species found in Maine.
It is a fast-growing tree that can reach a height of up to 100 feet and a trunk diameter of up to three feet.
Red Oak is known for its dark, fissured bark, which is rough to the touch, and its broad, rounded canopy. Its leaves are pointed and have bristle-tipped lobes, and turn a brilliant red or orange in the fall.
3.Pin Oak
Pin Oak (Quercus palustris) is a medium-sized oak tree that is found in wetlands and along streams in Maine.
It can reach a height of up to 70 feet and a trunk diameter of up to two feet.
Pin Oak is known for its pyramidal shape, with a narrow crown and drooping lower branches.
Its leaves are deeply lobed and have pointed tips, and turn a scarlet red in the fall.
4.Swamp White Oak
Swamp White Oak (Quercus bicolor) is a deciduous oak tree that is found in wetlands and swamps in Maine.
It can reach a height of up to 60 feet and a trunk diameter of up to two feet.
Swamp White Oak is known for its pale, grayish-brown bark, which is deeply furrowed, and its spreading, rounded crown.
Its leaves are deeply lobed and turn a yellowish-brown in the fall.
5.Chestnut Oak
Chestnut Oak (Quercus montana) is a slow-growing oak tree that is found on dry, rocky slopes in Maine.
It can reach a height of up to 80 feet and a trunk diameter of up to four feet.
Chestnut Oak is known for its deeply furrowed, dark brown bark, and its broad, spreading canopy.
Its leaves are large and oblong, with wavy edges, and turn a golden-yellow in the fall.
6.Blackjack Oak
Blackjack Oak (Quercus marilandica) is a small to medium-sized oak tree that is found in sandy soils in Maine.
It can reach a height of up to 50 feet and a trunk diameter of up to two feet.
7.Northern Red Oak
Northern Red Oak (Quercus rubra var. borealis) is a variety of the Red Oak that is found in Maine.
It is a fast-growing tree that can reach a height of up to 100 feet and a trunk diameter of up to three feet.
Northern Red Oak is known for its dark, fissured bark, which is rough to the touch, and its broad, rounded canopy.
Its leaves are pointed and have bristle-tipped lobes, and turn a bright red or orange in the fall.
8.Shumard Oak
Shumard Oak (Quercus shumardii) is a large deciduous oak tree that is found in the southern parts of Maine.
It can reach a height of up to 80 feet and a trunk diameter of up to three feet.
Shumard Oak is known for its rough, dark gray bark, and its spreading, rounded crown.
Its leaves are deeply lobed and turn a reddish-bronze in the fall.
9.Bear Oak
Bear Oak (Quercus ilicifolia) is a small, shrubby oak tree that is found on rocky, mountainous terrain in Maine.
It can reach a height of up to 20 feet and a trunk diameter of up to one foot.
Bear Oak is known for its shiny, dark green leaves, which are holly-like and have spiny teeth, and turn a yellowish-brown in the fall.
10.Chestnut-Leaf Oak
Chestnut-Leaf Oak (Quercus prinus) is a large deciduous oak tree that is found in the southern parts of Maine.
It can reach a height of up to 100 feet and a trunk diameter of up to four feet.
Chestnut-Leaf Oak is known for its deeply furrowed, dark brown bark, and its broad, spreading canopy.
Its leaves are large and chestnut-shaped, with wavy edges, and turn a yellow or yellow-brown in the fall.
11.Swamp Chestnut Oak
Swamp Chestnut Oak (Quercus michauxii) is a deciduous oak tree that is found in wetlands and swamps in Maine.
It can reach a height of up to 80 feet and a trunk diameter of up to three feet.
Swamp Chestnut Oak is known for its deeply furrowed, dark brown bark, and its broad, rounded crown. Its leaves are oblong and have wavy edges, and turn a golden-yellow in the fall.
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