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Artemisia tridentata (ssp. tridentata, ssp. xericensis) / Pseudoroegneria spicata - Poa secunda Shrub Herbaceous Vegetation | Western Ecology Working Group of...
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Name: Artemisia tridentata (ssp. tridentata, ssp. xericensis) / Pseudoroegneria spicata - Poa secunda Shrub Herbaceous Vegetation Reference: Western Ecology Working Group of... Description: This is a shrub herbaceous community found in Oregon on deep loess or alluvial soils. It is found on alluvial terraces, which are flat, or on Palouse (loess) hills, in which case it is found on flats or south-facing slopes. Soils are developed from loess deeper than 5 feet, and virtually free of gravel and stones. There are very few examples of this type left, and therefore, it has been poorly sampled. <i>Artemisia tridentata</i> is present in all stands, with cover ranging from 1-15% for stands in excellent condition, and greater in poorer condition stands. In terraces, <i>Artemisia tridentata ssp. tridentata</i> is clearly the subspecies present. In some of the loess stands, characterization of the sagebrush subspecies is more difficult. <i>Pseudoroegneria spicata</i> has up to 55% of the cover. Epigeous cryptogams, primarily lichens, occupy up to 13% of the cover and are characteristic of high-quality examples. <i>Poa secunda</i> can occupy up to 9% cover, while <i>Phlox longifolia, Plectritis macrocera, Phlox gracilis (= Microsteris gracilis), Lithophragma glabrum (= Lithophragma bulbiferum)</i>, and <i>Plantago patagonica</i> are commonly found at low cover. <i>Bromus tectorum</i> dominates disturbed areas (ground-squirrel sites), even in the best condition stands.  Accession Code: VB.CC.34410.CEGL001019 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.2.686098 NatureServe Explorer   Translated: (Basin Big Sagebrush, Foothill Big Sagebrush) / Bluebunch Wheatgrass - Sandberg Bluegrass Shrub Herbaceous Vegetation   Scientific: Artemisia tridentata (ssp. tridentata, ssp. xericensis) / Pseudoroegneria spicata - Poa secunda Shrub Herbaceous Vegetation   Code: CEGL001019