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Abies grandis / Physocarpus malvaceus Forest | NatureServe Biotics 2019
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Name: Abies grandis / Physocarpus malvaceus Forest Reference: NatureServe Biotics 2019 Description: This forest association occurs within the maritime-influenced climatic region of the northern Rocky Mountains from eastern Washington and Oregon to Montana. Ecoregional sections include the Okanogan Highlands, Bitterroot Mountains, Idaho Batholith, and Blue Mountains. This association occurs at 730-1310 m (2400-4300 feet) elevation on southeast- to west-facing slopes. Soils are loams and silt loams derived predominantly from granite and mica schist parent materials. <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 the presence of a well-developed shrub layer. <i>Physocarpus malvaceus</i> is dominant. <i>Holodiscus discolor</i> and <i>Acer glabrum</i> are often associated. Common forbs include <i>Maianthemum stellatum, Osmorhiza berteroi</i>, and <i>Adenocaulon bicolor</i>. <i>Calamagrostis rubescens</i> is often well-represented and may be abundant in early-seral stands. Historic disturbance regimes in these stands were primarily frequent low- to moderate-intensity fire.  Accession Code: urn:lsid:vegbank.org:commConcept:29186-{CD007DD5-6663-4213-9758-0C62E0E57EC9} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 20-May-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.2.687716 NatureServe Explorer   Code: CEGL000277   Translated: Grand Fir / Mallow Ninebark Forest   Scientific: Abies grandis / Physocarpus malvaceus Forest (convergence) and Synonyms: (similar) CEGL000277 (similar) Abies grandis / Physocarpus malvaceus Forest (similar) Abies grandis / Physocarpus malvaceus Forest