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Content tagged with "tree"

blackjack oak

Blackjack Oak

Quercus marilandica
Blackjack oak is a common timber tree in forests that have been badly burned or are growing on the poorest soils. Considered a relatively worthless tree, this oak is often one of the first trees to be used as fuel, which prevents more glorious trees from such destruction.

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Illustration of box elder leaves and fruits.

Box Elder

Box elder, Acer negundo.

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Illustration of box elder leaves and fruits.

Box Elder

Acer negundo
A member of the maple family, box elder is often confused with poison ivy because its compound leaves sometimes grow in threes (though also in fives). A fast-growing tree, its winged seeds betray its relationship to other maples.

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Photo shows walnut tree with browning leaves

Browning Leaves Indicate TCD

In midsummer, TCD-infected trees may show wilted brown leaves on branches high in the canopy.

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bur oak tree

Bur Oak

Quercus macrocarpa
Among the many majestic American oaks with legendary and historic value, McBaine, Missouri's state champion bur oak has a 91-inch-diameter trunk, is over three hundred years old, and survived the flood of 1993. Recently, specialists have been fertilizing and aerating its soil, carefully pruning it, and taking twig samples in order to preserve its extraordinary genetic line.

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Illustration of bush honeysuckle leaves, flowers, fruit.

Bush Honeysuckle

Amur bush honeysuckle, Lonicera maackii.

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Illustration of bush honeysuckle leaves, flowers, fruit.

Bush Honeysuckles

Lonicera maackii (Amur) and Lonicera x bella (Bella)
If you’ve got a giant green thicket in your woods, you may have a bush honeysuckle infestation. These invasive plants are shrubby natives of Asia. Here in America, where they have no natural controls, they leaf out early, grow fast, spread fast and form dense thickets that crowd out Missouri’s native forest plants.

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A chainsaw and a tape measure are resting on the stump of a large elm tree

Calendar Elm

This elm tree's growth rings provided insight into how the sight where it grew had changed.

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A chainsaw and a tape measure are resting on the stump of a large elm tree

Calendar Elm

Yard work, astrophysics and archaeology meet in my back yard.

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