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Carex scirpoidea - Potentilla diversifolia Alpine Turf | NatureServe Biotics 2019
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Name: Carex scirpoidea - Potentilla diversifolia Alpine Turf Reference: NatureServe Biotics 2019 Description: This association is found sporadically in the alpine of the mountains in southwestern Montana and possibly southeastern Idaho. Elevation ranges from 2835-3150 m. This moist turf community occurs on gentle terrain that is less wind-impacted than the drier turf communities, but still accumulates little snow. Stands are found in relatively moist sites above snowbed or wet meadow communities, or on cooler northern aspects. Soils range from clay to sandy clay textures and are derived from both calcareous (limestone and conglomerate) and non-calcareous (basalt, granite, and quartzite) parent materials. Most of the sites have evidence of frost-sorting and solifluction phenomena. The dense herbaceous vegetation layer is a mixture of graminoids (66% mean cover) and forbs (47% mean cover) that is dominated by one or more of the following sedges: <i>Carex scirpoidea, Carex heteroneura, Carex phaeocephala</i>, and/or <i>Carex obtusata</i>. Other important graminoids include <i>Carex elynoides, Carex rupestris, Festuca brachyphylla</i>, and <i>Calamagrostis purpurascens</i>. Forb diversity is high with <i>Potentilla diversifolia</i> being most characteristic. Other forbs with high consistency and cover include <i>Achillea millefolium, Erigeron simplex, Lloydia serotina, Phlox pulvinata, Polygonum bistortoides, Solidago multiradiata</i>, and <i>Zigadenus elegans</i>. Diagnostic of this moist turf association is the dominance of <i>Carex scirpoidea, Carex heteroneura, Carex phaeocephala</i>, and/or <i>Carex obtusata</i> with <i>Potentilla diversifolia</i> as the characteristic forb.  Accession Code: urn:lsid:vegbank.org:commConcept:30776-{BB4F9950-0FCA-432A-A589-C827EB8DED39} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 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.2.688491 NatureServe Explorer   Code: CEGL001867   Translated: Northern Single-spike Sedge - Varileaf Cinquefoil Alpine Turf   Scientific: Carex scirpoidea - Potentilla diversifolia Alpine Turf (convergence) and Synonyms: (similar) CEGL001867 (similar) Carex scirpoidea - Potentilla diversifolia Herbaceous Vegetation (similar) Carex scirpoidea - Potentilla diversifolia Herbaceous Vegetation