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Abies grandis / Spiraea betulifolia Forest | NatureServe Biotics 2019
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Name: Abies grandis / Spiraea betulifolia Forest Reference: NatureServe Biotics 2019 Description: This forest association occurs within the maritime-influenced climatic region of the northern Rocky Mountains from northeastern Oregon and Idaho. Ecoregional sections primarily include the Blue Mountains, Idaho Batholith and possibly the Bitterroot Mountains. The association represents the warmest and driest extreme for the occurrence of <i>Abies grandis</i>. Stands occur on gentle to moderately steep, south- to west-facing bench, lower- and upper-slope positions at 975-1950 m (3200-6400 feet) elevation. Soil parent materials are basalt, loess-ash, and (more rarely) granite. <i>Pseudotsuga menziesii</i> and <i>Pinus ponderosa</i> are often dominant in early- and mid-seral stands. These fire-resistant species persist in the forest overstory and provide important large diameter stem structure in mid- and late-seral stands. Stands are characterized by an open, low-shrub sward dominated by <i>Spiraea betulifolia</i>. <i>Symphoricarpos albus</i> is usually well-represented. <i>Calamagrostis rubescens</i> is often well-represented to abundant. <i>Arnica cordifolia, Chimaphila umbellata, Fragaria vesca</i>, and <i>Osmorhiza berteroi</i> are commonly associated herbaceous species. Historic disturbance regimes in these stands were primarily frequent low- to moderate-intensity fire.  Accession Code: urn:lsid:vegbank.org:commConcept:29190-{539AE390-7195-45FB-8A38-E3CCD29AA125} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 11-Jun-1991 to: ongoing
	status: accepted Community's Parent: Abies grandis - Pseudotsuga menziesii Central Rocky Mountain Forest & Woodland Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.683833 NatureServe Explorer   Code: CEGL000281   Translated: Grand Fir / Shinyleaf Meadowsweet Forest   Scientific: Abies grandis / Spiraea betulifolia Forest (convergence) and Synonyms: (similar) CEGL000281 (similar) Abies grandis / Spiraea betulifolia Forest (similar) Abies grandis / Spiraea betulifolia Forest