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Silene acaulis Herbaceous Alliance | Western Ecology Working Group of...
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Name: Silene acaulis Herbaceous Alliance Reference: Western Ecology Working Group of... Description: Vegetation in this alliance occurs in the alpine tundra in Montana, between 2600 and 3150 m elevation. Stands are usually located on the eastern side of the Continental Divide on flat to gently sloping ridges and summits. The ridgetops are subject to extremely high winds and are blown free of snow in winter. The ground is covered with rocks that have been stabilized for a long period of time. The sites are called fell-fields and differ from talus or scree which are located on steeper slopes and are unstable and often moving. Soils are derived from metamorphic or igneous rocks. The majority of the herbaceous species are cushion or mat-forming plants and spread horizontally over the ground surface to form a dense cover of foliage. Silene acaulis is the dominant species. Minuartia obtusiloba, Selaginella densa, Geum rossii, and Carex elynoides are common associates.  Accession Code: VB.CC.25697.SILENEACAULISHE Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 01-May-2019
	status: accepted This Community's Level: Alliance This Community's Children: [none]		Names:   Scientific: Silene acaulis Herbaceous Alliance   Translated: Cushion Pink Herbaceous Alliance   UID: HIGHER_CLASS_UNIT.2.124627 NatureServe Explorer   Code: A.1636