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Artemisia tridentata ssp. vaseyana / Carex exserta Shrubland | Western Ecology Working Group of...
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Name: Artemisia tridentata ssp. vaseyana / Carex exserta Shrubland Reference: Western Ecology Working Group of... Description: This shrubland association is currently only known from Yosemite National Park in California, and the following description is based on occurrences there. Additional information will be added as it becomes available. Stands of this association are found in the subalpine zone, occupying the coolest and moistest climate zone of the <i>Artemisia tridentata</i> shrubland complex. Elevations range between 2865 and 3290 m (9400-10,800 feet) of elevation on basin floors and gentle to moderate lower slopes and often occur above lower treeline as patches within montane or subalpine coniferous forests. The climate regime is cool, semi-arid with yearly precipitation ranging from 25-60 cm. Much of the yearly precipitation falls as snow, which may cover the ground for long periods in winter. Temperatures are continental with large annual and diurnal variation. Stands can occur on all aspects and prefer gentle slopes near meadow edges. The soils are moderate to deep silty loams. There may be a fair amount of rocky, bare ground within stands. This vegetation forms an intermittent to continuous canopy less than 0.5 m in height. <i>Artemisia tridentata ssp. vaseyana</i> is the dominant shrub codominating with moist-site indicator graminoids, primarily <i>Carex exserta</i>. <i>Vaccinium caespitosum</i> may also be present in the shrub canopy. Other graminoids and forbs commonly present include <i>Carex filifolia, Antennaria rosea, Achnatherum nelsonii, Hesperostipa comata, Lupinus leucophyllus, Danthonia intermedia, Juncus mexicanus, Hesperostipa comata</i>, and/or <i>Poa stebbinsii</i>.  Accession Code: VB.CC.34370.CEGL008651 Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 17-Nov-2014 to: 01-May-2019
	status: accepted This Community's Level: association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.684359 NatureServe Explorer   Translated: Mountain Big Sagebrush / Shorthair Sedge Shrubland   Scientific: Artemisia tridentata ssp. vaseyana / Carex exserta Shrubland   Code: CEGL008651