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stdcommconcept1847718477

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Picea glauca Forest Alliance | Midwestern Ecology Working Group...
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Name: Picea glauca Forest Alliance Reference: Midwestern Ecology Working Group... Description: This is a restricted alliance found in high elevations of the Black Hills. Sites in this alliance have a closed canopy of Picea glauca, often with lesser amounts of Populus tremuloides and Pinus ponderosa. The latter two species are remnants from earlier successional stages and do not reproduce successfully (Hoffman and Alexander 1987). There is a prominent low-shrub layer in this alliance. Its most common constituents are Arctostaphylos uva-ursi, Juniperus communis, Linnaea borealis, Mahonia repens, Rosa acicularis, Shepherdia canadensis, and Symphoricarpos albus. The herbaceous layer is less dense. It typically contains Achillea millefolium, Fragaria virginiana, Galium boreale, Hedysarum alpinum, and Oryzopsis asperifolia. Mosses and lichens are common in this alliance. This alliance occurs on moderate (28-63%) slopes on loamy soils (Johnston 1987). It generally occurs at the higher elevations in the Black Hills and has been sampled from 1737-2040 m (5700-6693 feet) (Hoffman and Alexander 1987). Most sites are on northeast- to northwest-facing slopes, but other aspects are possible.  Accession Code: VB.CC.18477.PICEAGLAUCAFORE Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 01-May-2019
	status: accepted This Community's Level: Alliance This Community's Children: [none]		Names:   Scientific: Picea glauca Forest Alliance   Translated: White Spruce Forest Alliance   UID: HIGHER_CLASS_UNIT.2.126607 NatureServe Explorer   Code: A.167