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Elymus repens Ruderal Herbaceous Vegetation | Western Ecology Working Group of...
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Name: Elymus repens Ruderal Herbaceous Vegetation Reference: Western Ecology Working Group of... Description: This association occurs on disturbed low-elevation sites, including floodplains, on the east side of Glacier National Park in Montana and in western Colorado. This community develops in response to disturbance and is composed mainly of noxious weeds, exotics and native increaser species. This association was sampled on flat to gently sloping lower slopes, toeslopes and valley bottoms at elevations between 1450 and 1555 m (4750-5100 feet) in Montana and between 1710 and 2285 m (5610-7500 feet) in Colorado. Soils are derived from glacial or fluvial deposits but are variable in soil texture, ranging from moderately well-drained sandy loams to clay loams to poorly drained gravel and rock. Litter dominates the ground surface. This montane, mesic to subhygric herbaceous association has low overall species diversity due to the dominance of <i>Elymus repens (= Elytrigia repens var. repens)</i>, an exotic rhizomatous grass. <i>Elymus repens</i> is a highly invasive species in mesic areas and tends to exclude other species once established. Overall herbaceous cover ranges from 25-85% with <i>Elymus repens</i> clearly dominating this association with 5-80% cover. Other species sometimes present with low cover include <i>Cerastium arvense, Carex</i> spp., <i>Symphyotrichum laeve (= Aster laevis), Achillea millefolium, Equisetum laevigatum, Iva axillaris, Taraxacum officinale, Poa palustris</i>, and <i>Penstemon confertus</i>.  Accession Code: VB.CC.32028.CEGL005868 Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 17-Nov-2014 to: 01-May-2019
	status: accepted This Community's Level: association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.730719 NatureServe Explorer   Translated: Quackgrass Ruderal Herbaceous Vegetation   Scientific: Elymus repens Ruderal Herbaceous Vegetation   Code: CEGL005868