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Pinus ponderosa / Physocarpus monogynus Forest | Midwestern Ecology Working Group...
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Name: Pinus ponderosa / Physocarpus monogynus Forest Reference: Midwestern Ecology Working Group... Description: This ponderosa pine woodland is found in the Black Hills at 1310 to 1800 m (4300-5900 feet) elevation west to Colorado at 2560 to 2710 m (8400-8880 feet). This montane community is one of the more mesic of the ponderosa pine forests in the Black Hills and southern Rocky Mountains. Stands occur predominantly on north- to northwest-facing aspects but may also occur on eastern and southern aspects. Slopes tend to be moderate to steep but range from (1-49%). Soils are relatively deep, well-drained sandy loams from coarse colluvium. The overstory is dominated by <i>Pinus ponderosa</i> often with an admixture of <i>Pseudotsuga menziesii</i> and sometimes <i>Pinus flexilis</i> depending on seral stage. The canopy can be moderately open to closed. Sufficient light penetrates the canopy to allow the growth of a vigorous shrub layer (20-50% cover). There is a substantial shrub layer that grows to approximately 1 m tall. This stratum is dominated by <i>Physocarpus monogynus</i>. Other shrubs that occur in this community are <i>Acer glabrum, Amelanchier alnifolia, Mahonia repens, Prunus virginiana, Rosa acicularis, Arctostaphylos uva-ursi</i>, and <i>Symphoricarpos albus</i>. In the Rocky Mountains the tree canopy was more open, and <i>Symphoricarpos rotundifolius</i> may be present with up to 20% cover. The herbaceous layer is dominated by forbs and nonvascular plants. <i>Antennaria rosea, Cerastium arvense, Galium boreale, Pulsatilla patens</i>, and mosses and lichens are typically found in this community. Unvegetated surface is common in this association and is comprised of needle litter and duff.  Accession Code: VB.CC.36888.CEGL000190 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:   Translated: Ponderosa Pine / Mountain Ninebark Forest   Scientific: Pinus ponderosa / Physocarpus monogynus Forest   Code: CEGL000190   UID: ELEMENT_GLOBAL.2.687497 NatureServe Explorer