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Abies lasiocarpa - Picea engelmannii / Polemonium pulcherrimum Forest | Western Ecology Working Group of...
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Name: Abies lasiocarpa - Picea engelmannii / Polemonium pulcherrimum Forest Reference: Western Ecology Working Group of... Description: This upper subalpine forest association is known from the southern Rocky Mountains. It typically occurs from 3170-3450 m (10,400-11,320 feet) elevation, near upper treeline, and may include lower statured woodlands extending into krummholz vegetation. Stands are found on gentle cool, northwest- to east-facing mid and lower slopes that are characterized as relatively moist. Soils are derived primarily from granitic or metamorphic parent materials and are shallow, moderately well-drained to well-drained and coarse-textured. Stands may contain moderate cover of large and small surface rock and relatively high cover of litter and duff cover and woody debris. Vegetation is characterized by evergreen needle-leaved trees and is typically dominated by <i>Picea engelmannii</i> and codominated by <i>Abies lasiocarpa</i>, both in the canopy and as seedlings and saplings in the understory. <i>Pinus flexilis</i> and <i>Pinus aristata</i> are minor components in the canopy and very infrequent in the understory. Typically there is not a shrub layer, but scattered shrubs and dwarf-shrubs such as <i>Ribes inerme, Ribes laxiflorum (= Ribes coloradense)</i>, and <i>Vaccinium myrtillus</i> are often present (<5% cover). The herbaceous layer dominates the understory and is dominated by the perennial forb <i>Polemonium pulcherrimum</i>. Other abundant subalpine and alpine forbs include <i>Arnica</i> spp., <i>Aquilegia caerulea, Caltha leptosepala, Cardamine cordifolia, Chamerion angustifolium, Lupinus argenteus, Mertensia</i> spp., <i>Mitella pentandra, Orthilia secunda, , Oxypolis fendleri, Packera</i> spp., <i>Pyrola</i> spp., and <i>Stellaria</i> spp. Graminoid cover is generally low but may include <i>Carex rossii, Luzula parviflora</i>, or <i>Trisetum spicatum</i>.  Accession Code: VB.CC.31973.CEGL000373 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.2.689837 NatureServe Explorer   Translated: Subalpine Fir - Engelmann Spruce / Beautiful Jacob's-ladder Forest   Scientific: Abies lasiocarpa - Picea engelmannii / Polemonium pulcherrimum Forest   Code: CEGL000373