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Abies lasiocarpa - Picea engelmannii / Calamagrostis rubescens Forest | NatureServe Biotics 2019
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Name: Abies lasiocarpa - Picea engelmannii / Calamagrostis rubescens Forest Reference: NatureServe Biotics 2019 Description: This association is known from northeastern Oregon and central and eastern Washington, Idaho, northern Utah, northwestern Wyoming to east of the Continental Divide in Montana. This forest is often on moderate to steep slopes and ranges in elevation from 1372 to 1800 m (4500-5900 feet) in Oregon and Washington, and from 1768 to 2590 m (5800-8500 feet) in the Rocky Mountains. Soils are skeletal and range from silts to loams. This association is a montane forested community in cool and dry areas in the western part of its range, and in mesic areas in the northern and eastern portion of its range. <i>Abies lasiocarpa</i> is the dominant overstory tree, often with <i>Picea engelmannii</i>. <i>Pinus contorta</i> and <i>Pseudotsuga menziesii</i> are often codominant to more abundant than <i>Abies</i>. In Washington and Oregon, <i>Larix occidentalis</i> and <i>Abies grandis</i> may also be present. The shrub layer is minor. <i>Paxistima myrsinites</i> is most often present and can have as much as 15% cover. The herbaceous layer is generally described as a mat or sward of <i>Calamagrostis rubescens</i>, with 40-50% cover. <i>Carex geyeri</i> can be present and abundant. Other forbs commonly present include <i>Arnica cordifolia, Thalictrum occidentale, Osmorhiza berteroi, Orthilia secunda, Arnica latifolia</i>, and <i>Carex rossii</i>. Where <i>Calamagrostis rubescens</i> is less than 5% cover and <i>Carex geyeri</i> is 5% and greater, the stand represents <i>~Abies lasiocarpa - Picea engelmannii / Carex geyeri</i> Forest (CEGL000304)$$.  Accession Code: urn:lsid:vegbank.org:commConcept:29210-{3A270920-C7FF-49A8-8056-98010BBE8D9F} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 06-Jan-2005 to: ongoing
	status: accepted Community's Parent: Abies lasiocarpa - Picea engelmannii Rocky Mountain Dry-Mesic Forest Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.683146 NatureServe Explorer   Code: CEGL000301   Translated: Subalpine Fir - Engelmann Spruce / Pinegrass Forest   Scientific: Abies lasiocarpa - Picea engelmannii / Calamagrostis rubescens Forest (convergence) and Synonyms: (similar) Abies lasiocarpa / Calamagrostis rubescens Forest (similar) CEGL000301 (similar) Abies lasiocarpa - Picea engelmannii / Calamagrostis rubescens Forest