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Pseudotsuga menziesii Scree Woodland | NatureServe Biotics 2019
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Name: Pseudotsuga menziesii Scree Woodland Reference: NatureServe Biotics 2019 Description: This association occurs throughout the interior western U.S. but is restricted to steep slopes covered by loose rock and colluvium on mountain or canyon slopes and dry alcoves. It has the appearance of scattered trees with a sparse understory. The open canopy of this association is generally mixed and rarely exceeds 50% cover. <i>Pseudotsuga menziesii</i> is always present and dominant; other tree species present to codominant may include <i>Juniperus osteosperma, Juniperus scopulorum, Picea engelmannii, Pinus edulis, Pinus flexilis, Pinus strobiformis, Pinus ponderosa, Populus tremuloides, Abies concolor</i>, and <i>Abies lasiocarpa</i>. Shrub cover is sparse and lacks a diagnostic species or the shrub layer is too poorly developed to be diagnostic. Herbaceous species are sparse and species are inconsistent among sites. The vegetation appears to be limited by the lack of soil development. Slopes generally exceed 60% and are generally unstable, with constantly shifting rocks on the slopes as well as additional rockfall from outcrops upslope. Elevations range from 915 to 2560 m (3100-8400 feet). Most of the unvegetated ground surface is covered by rocks and boulders, litter and/or dead wood. Soils are poorly developed, well-drained and rocky. The rocky slope is the dominant visual element of the community.  Accession Code: urn:lsid:vegbank.org:commConcept:29820-{CBDD5D48-0610-42C9-A76A-9D0D11CAAFFE} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 13-Jul-2016 to: ongoing
	status: accepted Community's Parent: Pseudotsuga menziesii Southern Rocky Mountain Forest & Woodland Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.686581 NatureServe Explorer   Code: CEGL000911   Translated: Douglas-fir Scree Woodland   Common: Douglas-fir Scree Slope   Scientific: Pseudotsuga menziesii Scree Woodland (convergence) and Synonyms: (similar) CEGL000911 (similar) Pseudotsuga menziesii Scree Woodland (similar) Pseudotsuga menziesii Scree Woodland