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Abies grandis - Pseudotsuga menziesii - Larix occidentalis Central Rocky Mountain Forest Group | NatureServe Biotics 2019
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Name: Abies grandis - Pseudotsuga menziesii - Larix occidentalis Central Rocky Mountain Forest Group
Reference: NatureServe Biotics 2019
Description: This group also includes woodlands or "savannas" of the deciduous conifer <i>Larix occidentalis</i>; these were typically stands initiated following stand-replacing crown fires of other conifer forests, but are maintained by a higher frequency, surface-fire regime. Fire suppression has led to invasion of the more shade-tolerant tree species <i>Abies grandis, Abies lasiocarpa, Picea engelmannii</i>, or <i>Tsuga</i> spp. and loss of much of the single-story canopy woodlands. <i>Larix occidentalis</i> communities occur in settings where low-intensity, high-frequency fires create open larch woodlands, often with the undergrowth dominated by low-growing <i>Arctostaphylos uva-ursi, Cornus canadensis, Calamagrostis rubescens, Linnaea borealis, Spiraea betulifolia, Vaccinium cespitosum</i>, and/or <i>Xerophyllum tenax</i>. Less frequent or absence of fire creates mixed-dominance stands with often shrubby undergrowth; <i>Vaccinium cespitosum</i> is common, and taller shrubs can include <i>Acer glabrum, Ceanothus velutinus, Shepherdia canadensis, Holodiscus discolor, Physocarpus malvaceus, Rubus parviflorus</i>, or <i>Vaccinium membranaceum</i>. 
Accession Code: urn:lsid:vegbank.org:commConcept:40007-{918A6E56-8B60-45A5-BBBA-A79FE4F4419E}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 30-May-2013 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.836554 NatureServe ExplorerNatureServe Explorer logo
  Code: G211
  Scientific: Abies grandis - Pseudotsuga menziesii - Larix occidentalis Central Rocky Mountain Forest Group