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Sagebrush steppe with Artemisia tridentata, of the Great Basin region in Owyhee County, Idaho. Sagebrush steppe also known as the sagebrush sea, is a type of shrub-steppe, a plant community characterized by the presence of shrubs, and usually dominated by sagebrush, any of several species in the genus Artemisia. [1]
Sagebrush scrub occurs in relatively deep soils along the Sierra-Cascade axis, running from Modoc County to San Bernardino County. [4]In the Sierra Nevada range, in California, sagebrush associates include bitterbrush (Purshia tridentata), curl-leaf mountain-mahogany (Cercocarpus ledifolius), and rabbitbrushes (Chrysothamnus spp., Ericameria spp.). [1]
Big sagebrush is a coarse, many-branched, pale-grey shrub with yellow flowers and silvery-grey foliage, which is generally 0.5–3 metres (1 + 1 ⁄ 2 –10 feet) tall. [3] A deep taproot 1–4 m (3 + 1 ⁄ 2 –13 ft) in length, coupled with laterally spreading roots near the surface, allows sagebrush to gather water from both surface precipitation and the water table several meters beneath.
The dominant vegetation of this ecoregion is sagebrush (Artemisia tridentata), often associated with various Agropyron species or fescue grass.At its upper altitudinal limit, the shrub steppe grades into the bordering mountain ecoregions, namely the South Central Rockies forests, the Colorado Rockies forests and the Wasatch and Uinta montane forests.
Sagebrush is the common name of several woody and herbaceous species of plants in the genus Artemisia. The best-known sagebrush is the shrub Artemisia tridentata . Sagebrushes are native to the West Coast of North America .
In the United States, the EPA and the United States Geological Survey (USGS) are the principal federal agencies working with the CEC to define and map ecoregions. Ecoregions may be identified by similarities in geology , physiography , vegetation , climate , soils , land use , wildlife distributions, and hydrology .
Similarly, shrubland is a category that is used to describe a type of biome plant group. In this context, shrublands are dense thickets of evergreen sclerophyll shrubs and small trees, [5] called: Chaparral in California; Matorral in Chile, Mexico, and Spain; Maquis in France and elsewhere around the Mediterranean; Macchia in Italy
Artemisia arbuscula is a North American species of sagebrush known by the common names little sagebrush, low sagebrush, or black sagebrush. It is native to the western United States from Washington, Oregon, and California east as far as Colorado and Wyoming. It grows in open, exposed habitat on dry, sterile soils high in rock and clay content ...