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Pseudotsuga menziesii / Paxistima myrsinites Forest | Western Ecology Working Group of...
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Name: Pseudotsuga menziesii / Paxistima myrsinites Forest Reference: Western Ecology Working Group of... Description: This association occurs on rocky, steep to very steep (20-65 degrees), relatively dry, north- to northwest-facing slopes. Soils are usually of sedimentary origin, typically shallow, sandy loam, and often on scree covered slopes. According to the literature this association consists of stands of Pseudotsuga menziesii with the low-shrub Paxistima myrsinites as the dominant species (cover 12-24%) in the undergrowth. It is in one of the coolest habitats of the Pseudotsuga menziesii Forest Alliance (A.157) and commonly is found adjacent to the subalpine forest zone. Elevations range from 2425-3024 m (7960-9920 feet). This association tends to be located in the montane zone above Quercus gambelii-dominated communities and elevationally below the range of Picea engelmannii - Abies lasiocarpa habitats. Other tree and shrub species can include Picea engelmannii, Abies lasiocarpa, Populus tremuloides, Quercus gambelii, Amelanchier alnifolia, Symphoricarpos oreophilus, Mahonia repens, Acer glabrum, and Rosa woodsii. The herbaceous layer is typically sparse and can include Arnica cordifolia, Eucephalus engelmannii (= Aster engelmannii), Chamerion angustifolium (= Epilobium angustifolium), Lathyrus lanszwertii var. leucanthus (= Lathyrus leucanthus), Fragaria spp., with the graminoids Carex geyeri, and Bromus porteri (= Bromus anomalus).  Accession Code: VB.CC.21448.PSEUDOTSUGAMENZ Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 17-Nov-2014
	status: accepted Community's Parent: Pseudotsuga menziesii Forest Alliance This Community's Level: Association This Community's Children: [none]		Names:   Translated: Douglas-fir / Oregon Boxleaf Forest   UID: ELEMENT_GLOBAL.2.685379 NatureServe Explorer   Code: CEGL000446   Scientific: Pseudotsuga menziesii / Paxistima myrsinites Forest (convergence) and Synonyms: (undetermined) Pseudotsuga menziesii / Paxistima myrsinites Forest