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THE NORTH AMERICAN ROCKIES

In the Central and Northern Rocky Mountains, trees and shrubs make their home in a patchwork of forests and meadows between 5500 ft. and 11500 ft. (1650 m.-3450 m.). Different ecosystems in the park support particular species depending on elevation, precipitation, and aspect (the steepness and direction of the slope). In the harsh mountain environment only evergreen trees, a few hardy deciduous trees and strong adaptive shrubs can thrive.

A Living Arboretum
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Poplars

Cottonwoods

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Black Hills Spruce

Engelmann Spruce

Aspen Colonies

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Serviceberries

Chokeberries

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Boxelder

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Willows

Narrow Leaf Cottonwoods

In the Arboretum
Plants of the Mountains
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Conifers

Green conifer forests blanket the mountainsides, providing shade in summer and contrasting with the bright white snow of winter. The Rockies have several of these cone producing trees including pine, spruce, and fir.

Deciduous Trees

Famous for the brilliant color of their autumn leaves, these trees can be found growing along streams and mixed in with the evergreen conifers. Deciduous trees often contribute to some of the most biologically diverse habitats in the mountains.

Shrubs

Coming in all shapes and sizes, shrubs make their home throughout the mountains. Some produce beautiful flowers and fruit, making them important food for wildlife. Others help stabilize soil. A few even catch your eye with their vibrant foliage.