Arizona Range Grasses
Their Description, Forage Value, and Grazing Management
Cooperative Extension,College of Agriculture & Life Sciences, The University of Arizona

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MOUNTAIN MUHLY
Muhlenbergia montana (Nutt.) Hitchc.

 


Figure 47.—Mountain muhly (Muhlenbergia montana), plant and spikelet

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Description

Growth habit: A dense-growing, moderately large bunchgrass that flowers after the soil has been moistened by summer rains. The plants are usually about 1 to 2 feet tall.
Color: Light green; plants often appear purplish when seeds are ripe.
Leaves: Thin, often somewhat inrolled, and generally a little twisted.
Inflorescence: About 3 to 8 inches long, loose and one-sided.
Season: Warm Season
Origin: Native

Occurrence

The commonest grass in the state at high altitudes in stands of pine and Douglas fir. An abundant species from 5,000 to 6,500 feet and one of the dominant grasses in the open grasslands between McNary and Springerville. It grows in moderately dense shade but produces most abundantly in the open.

 

Forage Value

Mountain muhly is a valuable forage plant because of its abundance rather than because of high palatability. Although it produces large amounts of herbage it is one of the least palatable of the high-altitude grasses in the state. It is grazed most readily during the early summer when the plants are actively growing.

Grazing Management

Mountain muhly is usually the principal grass in the dry forested range between the meadows, and is less palatable than the meadow plants. This, and the natural concentration of grazing animals around water, almost always results in overuse of the meadows and much lighter use of the upland areas. Most efficient use of many of our high mountain ranges could be obtained by fencing off the meadows. In this way animals would be forced to make fuller use of the dry upland areas and the meadows would have a chance to recover from their typically depleted condition.


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Document located http://cals.arizona.edu/pubs/natresources/az1272/
published
2002
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