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2017-11-29_PERMIT FILE - C1981010A (3)
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2017-11-29_PERMIT FILE - C1981010A (3)
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Last modified
3/9/2018 7:03:44 AM
Creation date
1/11/2018 9:00:17 AM
Metadata
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Template:
DRMS Permit Index
Permit No
C1981010A
IBM Index Class Name
Permit File
Doc Date
11/29/2017
Doc Name
pages 2-58 to 2-169
Section_Exhibit Name
2.3 Vegetation & 2.4 Fish and Wildlife
Media Type
D
Archive
Yes
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• <br />On account, of its extensive underground system of rootstocks, western yarrow has <br />been reported to be a soil binder in certain types of erosion control on the <br />Wasatch Plateau in central Utah. When such plants are started near the edges of <br />small gullies, their rootstocks soon spread down in all directions across the <br />depressions and serve to catch particles of sediment from water flowing past <br />them, thus forming small alluvial fans and checking surface run-off. <br />In addition to this vegetative propagation by rootstocks or rhizomes, western <br />yarrow also has fairly strong seed habits. It produces flowers practically <br />throughout the summer, beginning as early as May or as late as September in the <br />higher mountains; subsequently there is, in the case of the early -flowering <br />plants, a long period of seed production. The late -flowering plants, however, <br />often are unable to set seed. <br />The leaves of western yarrow are mostly basal, often forming rosettes. These <br />lower leaves are stalked and are from 2 to 8 inches long, but the unpaired <br />• (alternate) stem leaves become increasingly shorter up the stem and are either <br />stalkless (sessile) or nearly so. The dense flower clusters at the ends of the <br />stems are somewhat flattened or convex like the top of a derby hat. What appear <br />to be individual flowers are really flower heads, consisting of a group of flow- <br />ers (both ray and disk flowers) attached to a common base (receptacle), and <br />closely surrounded by a series (involucre) of small bracts (phyllaries) that <br />overlap like shingles. <br />Lathyrus leucanthus <br />(Aspen peavine) <br />Aspen peavine is a delicate, trailing, or climbing perennial herb with the grace- <br />ful, pealike, rather sweet-smelling blossoms so characteristic of many members of <br />the pea family (Leguminosae, or Fabaceae). This species is confined to the Rocky <br />Mountains, ranging from southern Idaho to Wyoming, New Mexico, and Arizona. It <br />is a plant of the higher elevations and occurs in greatest abundance in the upper <br />aspen and spruce belts. Its preferred habitat is the rich, moist soils of aspen <br />. groves where it often makes up a large part of the undergrowth. This herb seldom <br />grows in stands dense enough to exclude other species and is commonly associated <br />2-83 <br />
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