Tree Identification
Balsam Fir
Abies balsamea
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Grows to 60 feet
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Tolerates Shade
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Cool Moist Soil
Black Walnut
Juglans nigra
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15-23 Leaflets per Leaf
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½ inch Fleshy Exterior Nut
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Brown-Colored Wood
Bur Oak
Quercus macrocarpa
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Lobed leaf
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Acorn Cap with Hairy Edge
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Dark Gray Deeply Furrowed Bark
Colorado Blue Spruce
Picea Pungens
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Many Ornamental Varieties
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Sharp, Silverly Needles
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Pyramid Shaped
Green Ash
Fraxinus pennsylvanica
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Compound Leaf with 5-9 Leaflets
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Wet soils
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Wood used to make baseball bats
Japanese Lilac
Syringa reticulata
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Full Sun
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Moist, Well-drained Soil
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Fragrant, White Blooms in Early Summer
Pin Oak
Quercus palustris
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1/2 inch long acorns
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Small deeply lobed leaf
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Lower branches persist on stem.
River Birch
Betula nigra
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Reddish Brown Shaggy Curly Bark
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Wet Soils
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Shade Tolerant
Siberian Elm
Ulmus pumila
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Smallest Leaves of the Elm Trees
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Introduced from Asia
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Fast growing
Sugar Maple
Acer saccharum
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Seeds Mature in Fall
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Shade Tolerant
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Orange Fall Color
White Spruce
Picea glauca
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Grows to 65 feet
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Full Sunlight to Partial Shade
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Moist Loam Soil
Beaked Hazel
Corylus cornuta
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Understory shrub
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Tubelike beak at end of nut
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Hazelnuts = Wildlife Food Source
Boxelder
Acer negundo
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Compound Leaf
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Short Lived
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Poorly Formed Tree
Catalpa
Catalpa speciosa
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Introduced to MN
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Large heart-shaped leaves
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Orchid-like flowers bloom in late spring.
Eastern Cottonwood
Populus deltoides
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Large Tree with Massive Trunk
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Cottony Seeds
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Shade intolerant
Hawthorne
Crataegus spp.
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1-to-2-inch Thorns on Branches
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Toothed Leaf Margins
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Fruits Look Like Tiny Apples
Norway Spruce
Picea abies
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Grows to 60 Feet
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Drooping Branches, 6 in. Cones
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European Species
Quaking Aspen
Populus tremuloides
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Straight Trunk Lacking Side Branches
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Golden Yellow Fall Color
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Sandy or Rocky Soils
Scotch Pine
Pinus sylvestris
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Single Trunk Often Crooked
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Two Twisted Needles per Cluster
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Introduced From Europe
Silver Maple
Acer saccharinum
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Very Fast Growing
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Short Bole with Wide Crown
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Brittle Branches Often Break
Weeping Willow
Salix bablonica
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Native to Eastern Asia
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Gracefully Drooping Branches
Winterberry
Ilex verticillata
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Found Near Wetland Edges
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Red Fruit Persists in Winter
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Birds Eat Fruit
Black Spruce
Picea mariana
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Slender Tree with a Narrow Pyramid Shape
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Wet or Poorly Drained Soil
Buckthorn
Rhamnus cathartica
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Invasive Understory Shrub
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Introduced into United States
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Oval Smooth Glossy Leaves
Choke Cherry
Prunus virginiana
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Flowers/fruit Along Long Stalk
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Fruit Eaten by Birds
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Sprouts Prolifically
Eastern Red Cedar
Juniperus virginiana
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Conifer with Scaly Needles
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Pyramid Shape
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Dry Soils
Honeysuckle
Lonicera spp.
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Pink Flowers in Spring
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Colorful Fruit in Summer
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Screening or Windbreak Shrub
Paper Birch
Betula papyrifera
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Fast Growing, Short-Lived
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Papery, White Bark
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Moist, Sandy-Loam Soils
Red (Norway) Pine
Pinus resinosa
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State Tree; Grows to 70+ feet
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Requires Full Sunlight
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Sandy Soils
Shagbark Hickory
Carya ovata
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Usually 5 Leaflets per Leaf
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1 ½ Inch, 4-Ribbed Nut
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Slow Growing Tree
Speckled Alder
Alnus rugosa
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Lowland Shrub
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Grows in or Near Wetland Areas
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Redish Twigs with Large Buds
White Oak
Quercus alba
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Deep to Shallow Lobed Leaves
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Stout Twigs with no Ridges
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Oblong Acorn with no Fringe