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Carex rupestris - Geum rossii Alpine Turf | NatureServe Biotics 2019
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Name: Carex rupestris - Geum rossii Alpine Turf Reference: NatureServe Biotics 2019 Description: This southern Rocky Mountain association is found in upland subalpine and alpine environments along the Continental Divide and on the western slope of Colorado. Sites are typically dry meadows and turf in the middle to lower alpine and around treeline, often in transition areas with fell-fields. Stands often occur near the tops of ridges and convex slopes that are moderate to moderately steep (10-50%) and are moderately exposed to prevailing winds that keep sites snow free most of the winter. Aspects are variable, but sites tend to be non-northerly. Soils are moderately shallow, well-drained gravelly loams. Soils are relatively well-developed for the alpine, with several centimeters of organic material usually present. There is often low to moderate cover of large and small surface rocks and bare ground, especially in transition areas with fell-fields. Vegetation of this alpine turf association is characterized by a moderately dense (&gt;50% cover) herbaceous layer dominated by <i>Carex rupestris</i> and <i>Geum rossii</i>. <i>Trifolium dasyphyllum</i> is typically present with low cover (half the cover of <i>Geum rossii</i>) or absent. Other important species with lower cover include graminoids <i>Calamagrostis purpurascens, Carex scopulorum, Danthonia intermedia, Festuca brachyphylla, Luzula spicata, Poa glauca ssp. rupicola, Trisetum spicatum</i>, and forbs <i>Artemisia scopulorum, Campanula rotundifolia, Erigeron pinnatisectus, Tonestus pygmaeus, Tetraneuris grandiflora, Minuartia obtusiloba, Oreoxis alpina, Paronychia pulvinata, Saxifraga rhomboidea, Sedum stenopetalum, Silene acaulis</i>, and <i>Trifolium nanum</i>. Cushion plants are more evident in this turf.  Accession Code: urn:lsid:vegbank.org:commConcept:30770-{E0241AD6-57B7-4456-9390-CD3117499D39} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 01-Dec-2004 to: ongoing
	status: accepted Community's Parent: Carex elynoides - Carex rupestris - Kobresia myosuroides Rocky Mountain Alpine Turf Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.686724 NatureServe Explorer   Code: CEGL001861   Translated: Curly Sedge - Ross' Avens Alpine Turf   Scientific: Carex rupestris - Geum rossii Alpine Turf (convergence) and Synonyms: (similar) CEGL001861 (similar) Carex rupestris - Geum rossii Herbaceous Vegetation (similar) Carex rupestris - Geum rossii Herbaceous Vegetation