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Carex microptera Seasonally Flooded Herbaceous Alliance | Western Ecology Working Group of...
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Name: Carex microptera Seasonally Flooded Herbaceous Alliance Reference: Western Ecology Working Group of... Description: Vegetation in this seasonally flooded, temperate or subpolar grassland alliance occurs in mountainous regions adjacent to streams on alluvial terraces, old beaver ponds, and seeps. Elevations range from 1920-2900 m. The communities occur on gentle slopes; however, some stands in Utah are located on subirrigated sites with slopes greater than 5%. Soils are mineral with little development, and range from sands to silts and clays, although clayey surface horizons are common. Stands with sandy soils are typically subirrigated. Thin organic surface horizons may exist in stands near seeps. Water tables generally remain within the rooting zone throughout the growing season, but may be more than 1 m below the surface on drier sites. Carex microptera is the dominant graminoid. Carex utriculata and Carex aquatilis are often present on wetter sites. Other graminoids present include Carex praegracilis, Carex pellita (= Carex lanuginosa), and Juncus hallii. On drier sites, Deschampsia caespitosa and Phleum alpinum are present and may codominate. Common forb species include Symphyotrichum foliaceum (= Aster foliaceus), Fragaria virginiana, and Geum macrophyllum. Salix wolfii is common in the short-shrub layer, but generally has a sparse cover. Adjacent riparian communities are Carex aquatilis, Carex utriculata, and Salix wolfii. Drier, upland communities typically are dominated by Deschampsia caespitosa or mesic forbs.  Accession Code: VB.CC.20481.CAREXMICROPTERA 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 microptera Seasonally Flooded Herbaceous Alliance   Translated: Small-wing Sedge Seasonally Flooded Herbaceous Alliance   UID: HIGHER_CLASS_UNIT.2.124567 NatureServe Explorer   Code: A.1411