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Pinus ponderosa Northwest Great Plains Open Woodland Alliance | NatureServe Biotics 2019
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Name: Pinus ponderosa Northwest Great Plains Open Woodland Alliance Reference: NatureServe Biotics 2019 Description: This alliance occurs in foothills of the Black Hills and along escarpments, buttes, canyons, rock outcrops or ravines as an open woodland and savanna in the surrounding mixedgrass prairie. The very open to moderate (10-30% cover) tree canopy is dominated by <i>Pinus ponderosa</i>, but may include a sparse to relatively dense subcanopy of <i>Juniperus scopulorum</i> and <i>Quercus macrocarpa</i> or other deciduous trees such as <i>Acer negundo, Betula papyrifera, Fraxinus pennsylvanica</i>, or <i>Ulmus americana</i> that are sometimes codominant with the pines, especially in mesic draws and swales. The understory is characterized by a sparse to dense herbaceous layer with species typifying the surrounding prairie group, with mixedgrass prairie species common, such as <i>Andropogon gerardii, Bouteloua curtipendula, Pascopyrum smithii</i>, and <i>Schizachyrium scoparium</i>. Soils typically range from well-drained loamy sands to sandy loams formed in colluvium, weathered sandstone, limestone, scoria or eolian sand.  Accession Code: urn:lsid:vegbank.org:commConcept:38751-{F4FBDD56-354D-4AEE-9205-AEC4037035A3} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 08-Jan-2014 to: ongoing
	status: accepted Community's Parent: Pinus ponderosa Northwestern Great Plains Forest & Woodland Group This Community's Level: Alliance This Community's Children: Show/Hide   Pinus ponderosa / (Andropogon gerardii, Schizachyrium scoparium) Open Woodland   Pinus ponderosa Limestone Cliff Sparse Vegetation   Pinus ponderosa / Pascopyrum smithii Open Woodland   Pinus ponderosa / Quercus macrocarpa Open Woodland   Pinus ponderosa / Schizachyrium scoparium Open Woodland		Names:   UID: ELEMENT_GLOBAL.2.899589 NatureServe Explorer   Code: A3466   Translated: Ponderosa Pine Northwest Great Plains Open Woodland Alliance   Common: Northwest Great Plains Ponderosa Pine Open Woodland   Scientific: Pinus ponderosa Northwest Great Plains Open Woodland Alliance