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Carex rupestris Herbaceous Alliance | Western Ecology Working Group of...
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Name: Carex rupestris Herbaceous Alliance Reference: Western Ecology Working Group of... Description: Vegetation types within this short alpine or subalpine sod grassland alliance occur on dry, open slopes near or above timberline. Elevations range from 3000-3900 m. Stands occur on wind-swept summits and ridges. Sites typically occupy flat ridgetops where there are often fell-fields or saddles. Slopes range from 1-30% with a variety of aspects (except western and southwestern). Snow accumulation is minimal due to the topography. The relatively harsh environment has resulted in minimally developed soils, which are derived primarily from colluvial parent materials of granitic and gneiss origins. The soil texture ranges from silty loam to sandy loam with considerable amounts of surface gravel. pH levels range from 4.5-6.5. Carex rupestris types are common to small soil islands and soil centers of stone nets. A vegetation type from Montana occurs on limestone fell-fields and ridges. Carex rupestris dominates the graminoid stratum with at least 50% cover. Several forbs are codominant with 25-55% cover. Forbs include Geum rossii, Potentilla ovina, Trifolium dasyphyllum, Zigadenus elegans, Minuartia obtusiloba (= Arenaria obtusiloba), Phlox sibirica, and Minuartia biflora. Other constant associates in the graminoid layer are Kobresia myosuroides, Poa glauca, Calamagrostis purpurascens, Festuca brachyphylla, and Trisetum spicatum.  Accession Code: VB.CC.20931.CAREXRUPESTRISH 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: Carex rupestris Herbaceous Alliance   Translated: Curly Sedge Herbaceous Alliance   UID: HIGHER_CLASS_UNIT.2.125198 NatureServe Explorer   Code: A.1307