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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°), 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 <i>Pseudotsuga menziesii</i> with the low-shrub <i>Paxistima myrsinites</i> as the dominant species (cover 12-24%) in the undergrowth. It is in one of the coolest habitats of ~<i>Pseudotsuga menziesii</i> Southern Rocky Mountain Forest &amp; Woodland Alliance (A3454)$$ 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 <i>Quercus gambelii</i>-dominated communities and elevationally below the range of <i>Picea engelmannii - Abies lasiocarpa</i> habitats. Other tree and shrub species can include <i>Picea engelmannii, Abies lasiocarpa, Populus tremuloides, Quercus gambelii, Amelanchier alnifolia, Symphoricarpos oreophilus, Mahonia repens, Acer glabrum</i>, and <i>Rosa woodsii</i>. The herbaceous layer is typically sparse and can include <i>Arnica cordifolia, Eucephalus engelmannii (= Aster engelmannii), Chamerion angustifolium (= Epilobium angustifolium), Lathyrus lanszwertii var. leucanthus (= Lathyrus leucanthus), Fragaria</i> spp., with the graminoids <i>Carex geyeri</i>, and <i>Bromus porteri (= Bromus anomalus)</i>.  Accession Code: VB.CC.33322.CEGL000446 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:   UID: ELEMENT_GLOBAL.2.685379 NatureServe Explorer   Translated: Douglas-fir / Oregon Boxleaf Forest   Scientific: Pseudotsuga menziesii / Paxistima myrsinites Forest   Code: CEGL000446