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<br />Shrubs thqt are most often growing in the <br />aspen understory include snowberry, service- <br />oerry, chokecherry, rose, s i 1 ver sagebrush <br />and shrubby cinquefoil. <br /> <br />Common plants that occur on disturbed <br />aspen sites are dqnde1 ion, woo1y mullein, <br />tarweed, rabbitbrush, big sagebrush, <br />knotweed, Kentucky bluegrass and many <br />other introduced plants and invaders. <br /> <br />Society of American Foresters Cover Type <br />217. 1/ <br /> <br />c. LODGEPOLE PINE <br /> <br />Physical Characteristics <br /> <br />(1) Physiographic Feqtures: This species will <br />generally occur in elevations between 8,500 - <br />10,000 feet (2,591 to 3,048 m) above sea level, <br />most often above the ponderosa pine type and <br />below the Spruce-fir type. <br /> <br />(2) Climatic Features: Annual precipitation <br />averages above 20 inches (0.51 m) with the <br />average annual temperature of 33 to 430 F. <br />(0.56 to 6.10 C) qnd a frost-free period of <br />0-75 days. <br /> <br />(3) Native Vegetation: This type is a woodland <br />plant COl1Tl1unity. Typically, it occurs in pure, <br />dense stands. In the lower ranges, Douglas-fir <br />and at the higher elevations, Engelmann spruce <br />and subalpine fir may compose part of the <br />overstory. Quaking aspen may be associated <br />with it throughout its range. <br /> <br />(4) Associated Understory Plants: Spike trisetum, <br />nodding brome, shrubby cinquefoil, Oregon <br />grape, elk sedge, boxleaf myrtle, strawberry, <br />Arizona fescue, Junegrass, nitmuhly, and common <br />Juniper. <br /> <br />Grazing Use: In dense stands, there is no <br />grazing. Older stands have very little grazing <br />value, except in parks and openings .in the <br />forest canopy. <br /> <br />Society of American Foresters Cover Type 218, l! <br /> <br />~l ,~' <br />"-' ....' <br /> <br />-- -..- <br />'.. :;)~ <br /> <br />B-7 <br />