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Pinus albicaulis - (Tsuga mertensiana) / Luzula glabrata Woodland | NatureServe Biotics 2019
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Name: Pinus albicaulis - (Tsuga mertensiana) / Luzula glabrata Woodland
Reference: NatureServe Biotics 2019
Description: The vegetation consists of tree islands or ribbons within subalpine parkland. The tree canopy is dominated by <i>Tsuga mertensiana, Abies amabilis</i>, and/or <i>Pinus albicaulis</i>. The latter is always present and typically at least prominent. A shrub layer is largely absent. The well-developed herb layer usually has <i>Luzula glabrata var. hitchcockii, Arnica latifolia, Lupinus arcticus ssp. subalpinus, Lupinus latifolius</i>, and <i>Polemonium pulcherrimum</i>. <i>Luzula glabrata var. hitchcockii</i> is prominent to dominant. A number of other species can codominate in some locations. This association may occur at Mount Rainier National Park, in the North Cascades or in the northeast Olympic Mountains and in Oregon at high elevations. Sites are generally on northerly aspects near upper treeline. This somewhat widespread but unevenly distributed association occurs as isolated stands within the east Cascades. The ecological condition of occurrences is declining due to <i>Pinus albicaulis</i> mortality from fire exclusion and white pine blister rust (<i>Cronartium ribicola</i>). 
Accession Code: urn:lsid:vegbank.org:commConcept:35599-{31452D36-1205-436E-8A3D-6A37769A2948}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 27-Mar-2017 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.979533 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL007352
  Translated: Whitebark Pine - (Mountain Hemlock) / Smooth Woodrush Woodland
  Scientific: Pinus albicaulis - (Tsuga mertensiana) / Luzula glabrata Woodland