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Juniperus occidentalis / Artemisia tridentata / Carex filifolia Wooded Grassland | NatureServe Biotics 2019
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Name: Juniperus occidentalis / Artemisia tridentata / Carex filifolia Wooded Grassland Reference: NatureServe Biotics 2019 Description: The range of this association is limited, restricted to a small area in and around Horse Ridge Natural Research Area southeast of Bend, in the High Lava Plains section of the Columbia Plateau ecoregion. <i>Juniperus occidentalis</i> is the dominant tree in this old-growth, relatively open woodland. There is a shrub-steppe type understory which is dominated by <i>Artemisia tridentata ssp. wyomingensis</i> with <i>Purshia tridentata</i> as an occasional associate. Grasses dominate the forb layer, with <i>Carex filifolia</i> composing more than half of this cover. Other common associates include <i>Pseudoroegneria spicata, Festuca idahoensis, Koeleria macrantha, Elymus elymoides, Eriogonum microthecum</i>, and <i>Tetradymia canescens</i>. Areas in good condition have high cover of mosses, especially under the <i>Juniperus occidentalis</i> trees. Elevation ranges from 1250-1430 m. The community is located on a broad ridgetop to plateau of rolling topography, although most occurrences are on north-facing slopes. Most precipitation occurs as snow, summers are warm and dry with 1-4 months without rain. Soils are sandy-textured and developed in 30-60 cm of aerially deposited pumice over well-cracked Columbia basalt bedrock.  Accession Code: urn:lsid:vegbank.org:commConcept:30628-{CF51E016-ED25-4A78-98C2-57F9BBD983DE} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 28-Sep-1993 to: ongoing
	status: accepted Community's Parent: Juniperus occidentalis Grassy Open Woodland Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.689402 NatureServe Explorer   Code: CEGL001719   Translated: Western Juniper / Big Sagebrush / Threadleaf Sedge Wooded Grassland   Scientific: Juniperus occidentalis / Artemisia tridentata / Carex filifolia Wooded Grassland (convergence) and Synonyms: (similar) CEGL001719 (similar) Juniperus occidentalis / Artemisia tridentata / Carex filifolia Wooded Herbaceous Vegetation (similar) Juniperus occidentalis / Artemisia tridentata / Carex filifolia Wooded Herbaceous Vegetation