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Phlox diffusa Herbaceous Alliance | Western Ecology Working Group of...
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Name: Phlox diffusa Herbaceous Alliance Reference: Western Ecology Working Group of... Description: This alliance occurs on somewhat xeric alpine sites in the mountains of the Pacific Northwest, between 1800 and 2400 m in elevation. These communities typically occur at sites where snowmelt occurs early and plants are exposed to frequent freezing and thawing in the spring. Frost heaving is common and may result in striped patterns of bare substrate and vegetation perpendicular to the mountain slopes. Soils are typically skeletal and excessively drained. These communities are dominated by Phlox diffusa, which forms scattered mats of vegetation less than 20 cm high. Associated species include other mat-formers such as Arenaria capillaris, Eriogonum pyrolifolium, Douglasia laevigata, and Paxistima myrsinites. Paxistima is a taller shrub at lower altitudes, but is a prostrate dwarf-shrub in these habitats. Other herbaceous species include Arabis cobrensis, Collinsia parviflora, Carex spectabilis, Penstemon procerus, Erigeron aureus, Lupinus lepidus, and Antennaria alpina.  Accession Code: VB.CC.24187.PHLOXDIFFUSAHER Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 01-May-2019
	status: accepted This Community's Level: Alliance This Community's Children: [none]		Names:   Scientific: Phlox diffusa Herbaceous Alliance   Translated: Spreading Phlox Herbaceous Alliance   UID: HIGHER_CLASS_UNIT.2.125501 NatureServe Explorer   Code: A.1650